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IX. THERMAL EXPANSIVITY OF SOLIDS

IX. THERMAL EXPANSIVITY OF SOLIDS

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A.<br />

23.<br />

C.<br />

D.<br />

E.<br />

F.<br />

G.<br />

H.<br />

I.<br />

J.<br />

K.<br />

L.<br />

M.<br />

N.<br />

0.<br />

P.<br />

Q.<br />

Introduction<br />

Aluni num<br />

Be ry 11 i urn<br />

Beryllium Copper<br />

Brass (Yellow)<br />

Cons tan tan<br />

Copper<br />

Glass<br />

1. Crown C-1<br />

<strong>IX</strong>. <strong>THERMAL</strong> <strong>EXPANSIVITY</strong> <strong>OF</strong> <strong>SOLIDS</strong><br />

CONTENTS<br />

2. Borosilicate Crown BSC-1<br />

3. 11<br />

'I BSC-2<br />

4. Light Barium Crown LBC-2<br />

5. Dense Barium Crown DBC-1<br />

11 11 DBC-3<br />

6.<br />

7. Dense Flint DF-2<br />

8. Extra Dense Flint EDF-3<br />

9. Barium Flint BF-1<br />

10. Crown Flint CF-1<br />

11. Eastman Kodak KO. 11<br />

12. Eastman Kodak No. 32<br />

13. Castman Rodak No. 33<br />

14. Eastman Kodak No. ,45<br />

15. Pyrex<br />

16. Silica<br />

17. Glass and Copper<br />

><br />

Inconel -<br />

Indium<br />

I nvar<br />

Iron<br />

Le ad<br />

Mag ne s i urn<br />

Mo ne 1<br />

Nickel<br />

N io b i urn, Ni o b i urn-T i t an i urn<br />

- __ . . _. -. , - . . . . . - . . <strong>IX</strong>-INDEX-1


R.<br />

S.<br />

m<br />

I.<br />

%Po<br />

v.<br />

W.<br />

X.<br />

Y.<br />

Plastics<br />

1. Xraldite No.501<br />

2. Flurothsne<br />

3. Lucite<br />

4. Nylon<br />

5. Plexiglas<br />

6. Polystyrene<br />

7. Polythene<br />

8. Teflon<br />

9. Kel-F<br />

10. Plastics and Cop?er<br />

P la t inum<br />

Quartz<br />

Silver<br />

Soft Solder<br />

Stainless Steels<br />

I. AIS1 304<br />

2. " 310<br />

3, I' 316<br />

4. I' 347<br />

5. " 321<br />

Steel SAE 1020, 9 xi Steel<br />

Tantalum<br />

2, Tin (White)<br />

AA. Zinc<br />

<strong>IX</strong>-INDEX-%<br />

- . .<br />

- - _<br />

. .<br />

.


INTRODUCTION TO <strong>THERMAL</strong> <strong>EXPANSIVITY</strong> <strong>OF</strong> <strong>SOLIDS</strong><br />

Values of thermal expansion are given in the form of<br />

(a) total fractional expansion, L293 - LT : and (b) by coefficient<br />

7<br />

L 293<br />

of expansion dL change per unit length per K. For example<br />

L dT ’<br />

the total fractional expansion (or contraction) for copper for<br />

a temperature change from 293.15OK (2OoC) to 50°K is .00321<br />

in./ine, i.e., a bar will be .00321 inches shorter at 50°K-.per<br />

inch of length than it was at 293.15 OK. However, the co-<br />

efficient of expansion for copper at 50 0 K is.0000038 in./in.- 0 K,<br />

i.e. it will expand (or contract) .0000038 inches per inch per<br />

0<br />

0 K temperature change from 50 K.<br />

Reprinted from WADD TECH. REPORT 60-56<br />

. . . .. . . - _. .- . ....<br />

<strong>IX</strong>-A-1<br />

0<br />

January 9, 1967


Temp I<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> ALUMINUM<br />

Source of Data: Altman, Rubin and Johnston 1954,<br />

Other References: Ayres 1950, Bill and Pullan 1955, Buffington<br />

and Latimer 1926, Ebert 1928, Gibbons 1958,<br />

Henning 1907, Hume-Rothery and Strawbridge<br />

1947, Lindemann 1911, Nix and MacNair 1941.<br />

L293 - LT<br />

415<br />

4 15<br />

415<br />

414<br />

413<br />

410<br />

405<br />

3 99<br />

391<br />

381<br />

370<br />

L293<br />

Taken from NBS 29<br />

It<br />

I1<br />

tI<br />

It<br />

I1<br />

It<br />

It<br />

It<br />

It<br />

It<br />

Table of Selected Values<br />

-- 0<br />

1 dL<br />

L dT<br />

per K<br />

0<br />

-.005 x 16'<br />

.02 '<br />

.09<br />

.22 It<br />

.3a 11<br />

.55 I'<br />

.74 It<br />

.91 I'<br />

1.07 'I<br />

1.22 I'<br />

.. . .-<br />

Temp.<br />

0<br />

K<br />

120<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-B- 1<br />

L293 - LT<br />

343<br />

312<br />

277<br />

240<br />

201<br />

160<br />

118<br />

75<br />

45<br />

30<br />

0<br />

-16<br />

L293<br />

It<br />

I1<br />

II<br />

It<br />

I1<br />

I1<br />

It<br />

It<br />

It<br />

I1<br />

It<br />

. - . . . . . - .<br />

__ . . . -<br />

-- 0<br />

1 dL<br />

L dT<br />

per K<br />

1.46<br />

1.65<br />

1.79<br />

1.90<br />

2 .oo<br />

2.08<br />

2.15<br />

2.21<br />

2.25<br />

2.27<br />

2.30<br />

2.32<br />

It<br />

I1<br />

It<br />

It<br />

I1<br />

11<br />

11<br />

It<br />

It<br />

I1<br />

I1<br />

. . ... . - .


. - .. . -<br />

w4<br />

e<br />

aa<br />

- a<br />

a<br />

><br />

<strong>IX</strong>-B-2<br />

_.. -- . . - . . . . ._ .


<strong>IX</strong>-B-3<br />

.. .


Temp.<br />

0<br />

K<br />

0<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> BERYLLIUM<br />

Sources of Data: Erfling 1939<br />

Hidnert and Sweeney 1927<br />

Other References:<br />

Discussion:<br />

L - L<br />

293 T<br />

L293<br />

131<br />

131 'I<br />

131 I'<br />

131 I'<br />

131 I'<br />

131<br />

130 'I<br />

130 'I<br />

129 I'<br />

128 I'<br />

124 "<br />

Paken from NBS 29<br />

L d3<br />

per K<br />

0.<br />

Head and Lamer 1952<br />

Anisotropic. The above values were calculated<br />

from the relation, Mean Value = 113<br />

(I/ )-t-2/3 (A ) , where ( li) and (I ) signify the<br />

the same property measured parallel and perpendicular,<br />

respectively, to the trigonal<br />

(Sb,Bi) or hexagonal (Be, Cd) axis.<br />

Table of Selected Values<br />

Temp.<br />

0<br />

K<br />

140<br />

o .OOL x1~-5 160<br />

.003<br />

180<br />

,007 I' 200<br />

.013 'I 220<br />

.02<br />

14<br />

240<br />

.04<br />

I1 2 60<br />

.06<br />

I1 273<br />

.09<br />

I1 2 80<br />

.13<br />

I1<br />

293<br />

.22 II 300<br />

Ix-c-1<br />

L - L<br />

293 . T<br />

L293<br />

119 10'~<br />

111<br />

LOO<br />

87.3<br />

72.0 I'<br />

54.6 I'<br />

35.2<br />

21.8 'I<br />

14.3 I'<br />

0.0 It<br />

-7.9 .<br />

--<br />

1 dL<br />

L dT.<br />

per OK<br />

.34<br />

.47<br />

.59<br />

.71<br />

.82<br />

.92<br />

1. .01<br />

1.06<br />

L.08<br />

. .12<br />

L.14<br />

I1<br />

'I<br />

I1<br />

I1<br />

I1<br />

11<br />

I1<br />

I1<br />

11<br />

It


-"- .... &. __ I. . . . . . . , . . - . . .<br />

. .<br />

... - .. ... ..-. .<br />

__--<br />

<strong>IX</strong>-c-2<br />

0 50 100 150 2 00 250 380<br />

TEMPERATURE, *K<br />

..... -<br />

-9<br />

. - . ....<br />

. .<br />

0<br />

Of BERYLLIUM I<br />

.<br />

. -. , , .<br />

<strong>THERMAL</strong> EXPANSION .<br />

15<br />

- . _. __<br />

.- - .<br />

.<br />

..<br />

30<br />

45<br />

60<br />

75<br />

90<br />

.<br />

I05<br />

I20<br />

135


Temp<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100 .<br />

120<br />

-<br />

Taken<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> BERYLLIUM COPPER<br />

Sources of Data: Beenakker and Swenson 1955<br />

Other References:<br />

Discussion:<br />

L293 - LT<br />

L293<br />

316<br />

316 I'<br />

316 It<br />

316 'I<br />

315 I'<br />

313<br />

309<br />

I'<br />

304<br />

296<br />

287<br />

It<br />

277 'I<br />

255 I'<br />

from NBS 29<br />

2 Be, 0.3 Co, bal. Cu (BERYLCO 25).<br />

Originally half-hard, then heat treated<br />

for 2 hours at 200° C. No observable<br />

difference was found in the thermal<br />

expansions for the two states of hardness.<br />

Table of Selected Values<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0.<br />

-5<br />

0.004 x 10<br />

.009 I$<br />

.05<br />

I1<br />

.14<br />

I1<br />

.27<br />

I1<br />

.43<br />

I1<br />

.65<br />

I1<br />

.84<br />

I1<br />

.96<br />

I1<br />

1.04<br />

I1<br />

1.16<br />

It<br />

<strong>IX</strong>-D-1<br />

I<br />

Temp.<br />

0 L293 - LT<br />

K<br />

L293<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

231<br />

206<br />

179<br />

151 I'<br />

121 (I<br />

90 I1<br />

57 ID<br />

35<br />

23<br />

0 l1<br />

-13 I'<br />

1<br />

1 dL -7<br />

L dT 1<br />

ser OX<br />

~~ ~~~~~<br />

1.24 x<br />

1.32 . 'I<br />

1.38<br />

11<br />

1.45<br />

11<br />

1.52<br />

11<br />

1.60<br />

11<br />

1.67<br />

11<br />

1.72<br />

11<br />

1.74<br />

11<br />

1.79<br />

11<br />

1.81<br />

11


In^<br />

I<br />

0<br />

. .<br />

e<br />

-<br />

0)<br />

3<br />

0<br />

5<br />

. _. .-<br />

TEMPERATURE e OK<br />

<strong>IX</strong>-D-2<br />

.<br />

.. . - ..


<strong>IX</strong>-D-3<br />

w<br />

I<br />

I-<br />

a<br />

X<br />

w<br />

a<br />

z<br />

n.<br />

I-


il<br />

400<br />

300 --<br />

.<br />

<strong>IX</strong>-D-4<br />

/


Temp<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

.oo<br />

.20<br />

'aken<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> BRASS (YELLOW)<br />

Sources of Data: Altman, Rubin, and Johnston 1954<br />

Other References: Beenakker and Swenson 1955<br />

Fraser and Ebllis-Hallet 1955<br />

Henning 1907<br />

Keyston, MacPherson, and Guptill 1959<br />

Discussion: 65 Cu, 35 Zn.<br />

384<br />

384<br />

383 'I<br />

382 I'<br />

380 I'<br />

375 I'<br />

368 I'<br />

360 I'<br />

350 I'<br />

339 I8<br />

326 'I<br />

299 'I<br />

lrom NBS 29<br />

Table of Selected Values<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0<br />

0.001 xu-5<br />

.OS II<br />

.18 II<br />

.37 II<br />

.58<br />

.76<br />

.92<br />

1.06<br />

1.18<br />

1.29<br />

1.44<br />

I1<br />

II<br />

I1<br />

II<br />

It<br />

II<br />

11<br />

<strong>IX</strong>-E-1<br />

Temp<br />

0<br />

K<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

2 93<br />

300<br />

L293 - LT<br />

L293<br />

269 x 10-5<br />

237 It<br />

204 'I<br />

169 It<br />

134 'I<br />

98.4 'I<br />

61.8 'I<br />

37.3 'I<br />

24.6 It<br />

0.0 It<br />

-13.3 I'<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

1.54 10-5<br />

1.63 . I'<br />

1.69 I'<br />

1.74 I'<br />

1.78 'I<br />

1.81 It<br />

1.85 'I<br />

1.87 I'<br />

L.88 'I<br />

1.90 'I<br />

L.91<br />

I


. . .<br />

- -. .<br />

._<br />

.- ._ . . .<br />

0 I<br />

, ._ .<br />

t<br />

! /<br />

- -______ 1'<br />

<strong>IX</strong>-E-2<br />

. - - . .. . . .. . .<br />

I<br />

. ._<br />

! 0<br />

-.


<strong>IX</strong>-E- 3


Temp.<br />

0<br />

K<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> CONSTANT..<br />

Sources of Data: Aoyama and Ito 1939<br />

Krupkowski and deHzas 1928<br />

Other References:<br />

Discussion:<br />

20<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

Faken<br />

269<br />

258 "<br />

253 I'<br />

247 'I<br />

240<br />

232<br />

'I<br />

214 I'<br />

194 I'<br />

172 "<br />

rom NBS 29<br />

Henning 1907<br />

Krupkowski 1929<br />

50 Cu, 50 Xi. The name Constantan is<br />

applied to binary alloys in the range,<br />

60 to 45 Cu, 40 to 55 Xi. The nost cmmon<br />

composition is 55 Cu, 45 Xi, The above ex-<br />

pansion data should represent all Constantans<br />

within a few percent. Small expansiofi anomalies<br />

of magnetic origin occur in this system. The -<br />

ferromagnetic Curie points range from<br />

0 OK for 40% Ni to roughly 150 0 K for<br />

Table of Selected Values<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0.46<br />

.56<br />

.66 I'<br />

.75 I'<br />

.83<br />

.96 'I<br />

1.06<br />

1.14 '@<br />

Temp.<br />

0<br />

K<br />

iao<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-F-1<br />

L293 - LT<br />

L293<br />

148 x<br />

124 I'<br />

98.1<br />

71.8<br />

45.0 'I<br />

27.3 I'<br />

17.8 'I<br />

0,o I1<br />

-9.6 *' -'<br />

. .<br />

-<br />

1.21 x<br />

1.26 It<br />

1.30 I'<br />

1.33<br />

1.35<br />

'I<br />

1.36 'I<br />

1.37<br />

L.37<br />

'I<br />

b.38 - "<br />

about<br />

55% Ni .<br />

!


TEMPERATURE, O K<br />

<strong>IX</strong>-F- 2


Source of Data:<br />

Temp.<br />

0<br />

K<br />

L293 - LT<br />

L293<br />

<strong>THERMAL</strong> EYSANSION <strong>OF</strong> COPPER<br />

Rubin, T., Altman, H.W. and Johnston, H.L., J.Am.Chem.Soc. 76,<br />

5289-93 (1954)<br />

Other References:<br />

Simmons,R.O. and Balluffi, R.W., Phys.Rev. 108, 278-80 (1957)<br />

Beenakker, J.J.M. and Swenson, C.A., Rev.Sci.Instr. 26 1204 (1955)<br />

Bijl,D. and Pullan H., Physica 21, 285 (1955)<br />

Fraser, D,B. and Hollis-Hallet, A.C., Proc. 9th Intern. Congr.<br />

Refrig. L, 1065 (1955)<br />

Nix, F.C. and MacNair, D., Phys. Rev. 60, 597-605 (1931)<br />

Aoyama, S. and Ito, T., Sci.Repts. Tohoku Univ. 27, 348-64 (1939)<br />

Adenstedt, H., Ann. Physik 26, 69-96 (1936)<br />

Simon, F. and Bergmann, R., 2. Physik Chem. €3, 255-80 (1930)<br />

o<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

Mrupkowski, A. and DeHaas, W.J., Communs. Phys. Lab. Univ.<br />

Leiden 194b (1928)<br />

Keesom, W.H., Van Agt, F.P.G. and Jansen, A.T.J., Proc.<br />

Acad .Sei. Amsterdam 29, 786-91 (1926)<br />

Buffington, R.M. and Latimer, W.M., J.Am.Chem.Soc.<br />

2305-19 (1926)<br />

48<br />

Sorelius, G. and Johansson, C.H., Ann. Physik 75, 23-36<br />

Lindemann, C.L., Phys. 2. 12, 1197-99 (1911)<br />

Henning, F., Ann. Physik (4) 22, 631-39 (1907)<br />

Dorsey, H.G., Phys. Rev. 25, 88-102 (1907)<br />

Keyston, MacPherson and Gupstill (1959)<br />

Table of Selecteh Values<br />

--<br />

1 dL<br />

L dz<br />

per K<br />

326 0<br />

326 II<br />

0.004 x<br />

326 II .03<br />

325 II<br />

.10<br />

324 II .23<br />

321<br />

It .38<br />

316<br />

I1 .55<br />

3 10 II .70<br />

302 II .84<br />

293<br />

II<br />

.95<br />

283<br />

II 1.05<br />

Taken from NBS 29<br />

II<br />

II<br />

II<br />

II<br />

II<br />

II<br />

II<br />

It<br />

II<br />

Temp.<br />

0<br />

K<br />

120<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

260<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-G-1<br />

L293 - LT<br />

1293<br />

260<br />

235 I'<br />

208 'I<br />

179 'I<br />

149<br />

118 I'<br />

87<br />

55<br />

33<br />

22 I'<br />

0<br />

-11<br />

--<br />

1 dL<br />

L dg<br />

per K<br />

1.20<br />

1.32 'I<br />

1.41 'I<br />

1.47 'I<br />

1.52 I'<br />

1.56 I'<br />

1.59 'I<br />

1.62 It<br />

1.64 'I<br />

1.65 I'<br />

1.67 'I<br />

1.68 'I<br />

(1924)


1<br />

0 50 10 0 I5 0 200 250 300<br />

TEMPERATURE ,OK<br />

1x4- 2


Sources of Data :<br />

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> CROWN C-1 GLASS<br />

Mofby 1949.<br />

Dorsey 1907.<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

134 x<br />

130 "<br />

126 I'<br />

116 I'<br />

105 It<br />

95<br />

82 I'<br />

69 'I<br />

Taken from NBS 29<br />

-<br />

<strong>IX</strong>-H-1.1<br />

Temp.<br />

0<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300


<strong>THERMAL</strong> EXPANSION<br />

TEMPERATURE OK<br />

<strong>IX</strong>-H-1 e 2<br />

-_ ..<br />

..<br />

..


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS BSC-1<br />

Sources of Data: Molby 1949.<br />

Other References: Dorsey 1907.<br />

Discussion:<br />

-<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Taken<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L2 93 - LT I<br />

L293 I<br />

133<br />

128 I'<br />

124 I'<br />

114 'I<br />

104 'I<br />

92 'I<br />

80 I'<br />

67 I'<br />

~~~<br />

from NBS 29<br />

Cemp . 0<br />

K<br />

2 20<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-E-2.1<br />

L293 LT<br />

L293<br />

53 x 10<br />

39<br />

25 'I<br />

15 I'<br />

10<br />

0<br />

- 6<br />

-5


TEMPERATURE, O K<br />

<strong>IX</strong>-H-2 2


Sources of Data:<br />

Other References:<br />

Discussion:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS BSC-2<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Molby 1949.<br />

Dorsey 1907.<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L293 - LT<br />

112<br />

109<br />

L293<br />

105 'I<br />

97 Ii<br />

88 I'<br />

77 'I<br />

66 'I<br />

57 It<br />

Taken from NBS 29<br />

TPP<br />

K<br />

<strong>IX</strong>-H-3.1<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - LT<br />

45<br />

33<br />

L293<br />

21 Ii<br />

13 "


TEMPERATURE, OK<br />

<strong>IX</strong>-H-3.2<br />

4


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS LBC-2<br />

Sources of Data: Molby 1949.<br />

Other References : Dorsey 1907.<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L<br />

293 - 'T<br />

L293<br />

137<br />

132 I'<br />

128 It<br />

117 'I<br />

106<br />

95<br />

'I<br />

a2 11<br />

68 'I<br />

raken from NBS 29<br />

0<br />

K<br />

220<br />

240<br />

260<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-H-4 1<br />

'293 - =*<br />

L293<br />

54<br />

40 'I<br />

25 I'<br />

15<br />

10 I'<br />

0<br />

-5 "


Ix-H-4.2


Sources of Data:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS DBC-1<br />

Molby 1949.<br />

Other References : Dorsey 1907.<br />

Discussion:<br />

Temp<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

I<br />

180<br />

200<br />

I<br />

Taken from NBS 29<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

I<br />

L293 -LT I<br />

&I 110 x 10<br />

107 'I<br />

104 I'<br />

95 I'<br />

77 I1<br />

67 "<br />

56<br />

I<br />

<strong>IX</strong>-E9-5.1<br />

240<br />

260<br />

273<br />

28q<br />

293<br />

300


. .-<br />

. .<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-11-5.2


. . . . .<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS DBC-3<br />

Sources of Data: Molby 1949.<br />

Other References: Dorsey 1907.<br />

Discussion:<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

101 It<br />

98 I'<br />

90 I t<br />

82 I'<br />

73<br />

63 I'<br />

53<br />

Taken from NBS 29<br />

<strong>IX</strong>-H-6.1<br />

220<br />

240<br />

2 60<br />

273<br />

280,<br />

293<br />

300<br />

42<br />

31 'I<br />

20 It<br />

12<br />

8 'I<br />

0 It<br />

-4 1'


TEMPERATURE OK<br />

<strong>IX</strong>-H-6.2


THEMU EXPANSION <strong>OF</strong> OPTICAL GLASS DF2<br />

Sources of Data: Molby 1949.<br />

Other References : Dorsey 1907.<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L2 93 - LT<br />

L293<br />

136 x<br />

131 I'<br />

126 I'<br />

115 I'<br />

104 'I<br />

92 I'<br />

79 I'<br />

66 I'<br />

Taken from NBS 29<br />

<strong>IX</strong>-€1-7.1<br />

Temp.<br />

0<br />

K<br />

2 20<br />

240<br />

260<br />

273<br />

280<br />

293<br />

3 00<br />

52<br />

38 'I<br />

24 'I<br />

15 I'<br />

9<br />

0<br />

I'<br />

-5 '1


TEMPERATURE OK<br />

<strong>IX</strong>-H-7.2


. I<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS EDF-3<br />

Sources of Data: Molby 1949<br />

Other References: Dorsey 1907<br />

Discussion:<br />

80 1139 x<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

135<br />

130<br />

118<br />

106<br />

94<br />

81<br />

67<br />

Taken from NBS 29<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

II<br />

I1 L<br />

Temp* 0<br />

K<br />

2 20<br />

240<br />

2 60<br />

273<br />

280<br />

<strong>IX</strong>-H- 8.1<br />

'293 - LT<br />

'293<br />

53<br />

39<br />

25<br />

15<br />

10<br />

2 93 0<br />

It<br />

I1<br />

II<br />

I1<br />

I1


'TX-H- 8.2<br />

i


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> QPTICAL GLASS BF-1<br />

Sources of Data: Molby 1949.<br />

Other References : Dorsey 1907.<br />

Discussion:<br />

Temp.<br />

3<br />

K<br />

100<br />

120<br />

14 0<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L293 - LT<br />

133<br />

122<br />

L293<br />

111 It<br />

Taken from NBS 29<br />

Temp.<br />

0<br />

K<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-H-9.1<br />

1 - L<br />

293 T<br />

1293<br />

41<br />

26 'I<br />

16 I'<br />

10 'I<br />

0<br />

-5 1'


<strong>IX</strong>-H-9.2


Sources of Data:<br />

Other References :<br />

Discussion:<br />

TH3RMA.L EXPANSION <strong>OF</strong> OPTICAL GLASS CF-1<br />

Temp.<br />

0<br />

?A<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

2 00<br />

Molby 1949.<br />

Dorsey 1907.<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

5qXx L293<br />

L2 93<br />

L293 - LT<br />

110 x lo-'<br />

107 'I<br />

104 "<br />

95<br />

87<br />

77<br />

67 I'<br />

56 'I<br />

Taken from NBS 29<br />

240<br />

2 60<br />

273<br />

280<br />

<strong>IX</strong>-H-10.1<br />

33<br />

21 'I<br />

13 'I<br />

8 I'


li<br />

I<br />

t;:<br />

cu<br />

-1<br />

I IO<br />

IO0<br />

75<br />

50<br />

25<br />

0<br />

-10<br />

0 50 108 150 200 2 50 300<br />

TEMPERATURE, OK<br />

. .<br />

<strong>IX</strong>-H-10.2<br />

I<br />

..<br />

-. .<br />

. _.


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS NO.11<br />

Sources of Data: Molby 1949<br />

Other References : Dorsey 1907<br />

Discussion:<br />

remp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Eastman Kodak Co. designation. .<br />

Composition was not given.<br />

Table of Selected Values<br />

L293 -LT 1 'emp . 0<br />

K<br />

L293<br />

LOO<br />

220 42<br />

97<br />

11<br />

240 31<br />

94 It<br />

2 60 20<br />

88<br />

I1<br />

273 12<br />

80<br />

I1<br />

280 8<br />

72 It 2 93 0<br />

63<br />

It<br />

300 -4<br />

53 II<br />

Taken from NBS 29<br />

<strong>IX</strong>-H-11.1<br />

L293 - LT<br />

L293 -~<br />

II<br />

I1<br />

I1<br />

II<br />

II<br />

II


. - - -. . . . . -. .<br />

0<br />

. - - -10<br />

..<br />

0 ' 50 I00 150 200 250 300<br />

'TEMPERATURE OK<br />

<strong>IX</strong>-H-11.2


Sources of Data:<br />

Other References:<br />

Discussion:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS NO. 32<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Taken<br />

_. _. , . , . . . - - - . .. . . . . . , - . . .<br />

Molby 1949.<br />

Dorsey 1907.<br />

EasLvan Kodak Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

99<br />

96 I'<br />

89 "<br />

81 'I *<br />

72 I'<br />

63 'I<br />

Temp<br />

0<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - 'T<br />

L2 93<br />

42<br />

31 I'<br />

20 Ii<br />

12 It<br />

8<br />

0<br />

'I<br />

-4 11<br />

53 Ii<br />

I<br />

from NBS 29<br />

<strong>IX</strong>-H-12.1 ,


<strong>IX</strong>-H-12.2


Sources of Data:<br />

Other References:<br />

Discussion:<br />

- . . . - -. . . . . .<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS N0.33<br />

Temp.<br />

0<br />

K<br />

80<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Molby 1949.<br />

Dorsey 1907<br />

Eastman Kodak Co . . designation.<br />

Composition was nct given.<br />

Table of Selected Values<br />

L293 I<br />

92 10-5 1<br />

L293 - LT 1<br />

90<br />

87<br />

83 'I<br />

74 I'<br />

66 'I<br />

58 I'<br />

49<br />

Taken from NBS 29<br />

. . . . . . . . .<br />

<strong>IX</strong>-H-13.1<br />

Temp<br />

0<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - LT<br />

L293<br />

. ..


1 IO<br />

100<br />

75<br />

50<br />

25<br />

0<br />

-18,<br />

TEMPERATURE, O K<br />

PX-H-13.2


Sources of Data:<br />

Other References :<br />

Discussion:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS N0.45<br />

Temp,<br />

0 K<br />

80<br />

90<br />

100<br />

120<br />

14 0<br />

160<br />

180<br />

200<br />

Molby 1949.<br />

Dorsey 1907.<br />

Eastman Kodak Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

L2 93 - LT<br />

L293<br />

96 loo5<br />

94 'I<br />

91 II<br />

a5 11<br />

78<br />

70 'I<br />

62 "<br />

52 I'<br />

Taken from NBS 29<br />

Temp<br />

0 K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-H-14.1<br />

L293 - LT<br />

42<br />

L2 93<br />

31 "<br />

20 II<br />

12 I'<br />

0<br />

-4<br />

8 I'


.. . .<br />

TEMPERATURE, * K<br />

<strong>IX</strong>-H-14 2<br />

.-<br />

. ..<br />

.<br />

c


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> PYREX<br />

Sources sf Data: Head and Laquer 1952<br />

Other References: Buffington and Lather 1926<br />

Tool and Saunders 1948<br />

Winter-Klein 1950<br />

Discussion:<br />

T&"P '<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

Table of Selected Values<br />

54.7 x lo-:<br />

55.7<br />

56.7<br />

56.2 I'<br />

53.7<br />

50.2<br />

46.2<br />

'I<br />

41.7 'I<br />

37.2 'I<br />

Taken from NBS 29<br />

1 273<br />

<strong>IX</strong>-H-15.1<br />

L2 93 - LT<br />

L2 93<br />

32.2<br />

27.2<br />

21.7<br />

15.7<br />

10.2<br />

6.2<br />

4.2<br />

0 .o<br />

-2 -3<br />

..


.<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-H-15.2<br />

-- -- - - ..<br />

..<br />

.. . . ._<br />

I_


Sources of Data:<br />

Discussion:<br />

Other References:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> SILICA GLASS<br />

TpP<br />

K<br />

-<br />

0<br />

20<br />

40<br />

.<br />

60<br />

80<br />

100<br />

120<br />

14 0<br />

160<br />

-<br />

I L293 - LT<br />

I<br />

Table of Selected<br />

1<br />

Values<br />

L293<br />

-8 x<br />

'2 93<br />

-6.60 'I<br />

-4.90<br />

-3.02<br />

-1.41 'I<br />

-0.12<br />

t0'.87<br />

Keesom and Doborzynski 1934<br />

Scheel and Heuse 1914<br />

The thermal expansion of silica glass<br />

(fused silica, vitreous silica) quartz<br />

glass), though small, is variable from<br />

sample to sample. The above values are<br />

thought to be fairly representative of<br />

average behavior. The temperature of<br />

0<br />

minimum length can vary from 180 to 230 K.<br />

Variations from the above values as large<br />

as 2~10'~ below 180°K and 50% from 180 to<br />

300°K are possible<br />

Beattie et al. 1941 ..<br />

Dorsey 1907.<br />

Head and Laquer 1952, Henning 1907, Scheel<br />

1907, Scott 1933, Sosman 1927, Souder and<br />

' Hidnert 1926, Valentiner and Wallot 1915.<br />

1.61 'I<br />

2.08 li<br />

Taken from NBS 29<br />

~<br />

Temp<br />

0<br />

K<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-H-16.1<br />

-<br />

- LT<br />

I L293<br />

2.32 x 10-5<br />

2.36 'I<br />

2.18<br />

1.81 "<br />

1.26<br />

0.81 I'<br />

0.54 It<br />

0 .o<br />

-0.29 II


TEMPERATURE, OK<br />

.. ..


<strong>IX</strong>-H-17


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> INCONEL<br />

Sources of Data: Altman, Rubin, and Johnston 1952<br />

Other References: Lucks and Deem 1958<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

229<br />

229 'I<br />

229 'I<br />

229<br />

228<br />

227 I'<br />

224 I'<br />

221<br />

217 I'<br />

211<br />

205 'I<br />

191 (I<br />

Taken from NBS 29<br />

. -. . - . . . .<br />

80 Ni,14 Cr, 6 Fe.<br />

Table of Selected Values<br />

0.<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0.003 XLO-~<br />

803<br />

II<br />

.10 II<br />

.19 II<br />

.2a I1<br />

3a<br />

.40<br />

.57<br />

.65<br />

.79<br />

II<br />

I1<br />

II<br />

II<br />

I1<br />

<strong>IX</strong>-1-1<br />

Temp,<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

2 20<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - LT<br />

L293<br />

174<br />

154 I'<br />

134<br />

112<br />

89.1 I'<br />

65.6 'I<br />

41.4 'I<br />

25.2 I'<br />

16.6 I'<br />

0.0 Io<br />

-9.0<br />

1 .91<br />

'1<br />

.oo<br />

1.07 I'<br />

1.12<br />

--<br />

1 dL<br />

L a:<br />

per K<br />

1.16 I'<br />

1.20 ,I1<br />

1.23 I'<br />

1.25 'I<br />

1.26 I'<br />

1.29 I'<br />

1.30 It


I-<br />

-J<br />

1 %<br />

;r<br />

-.I%<br />

PX-1-2


Source of Data:<br />

Other References :<br />

Discussion:<br />

Temp<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

LOO<br />

L<br />

293- LT<br />

706<br />

706<br />

701<br />

691<br />

67 6<br />

658<br />

638<br />

617<br />

5 95<br />

572<br />

54 9<br />

7<br />

L293<br />

Taken from WADD 60-56<br />

II<br />

II<br />

II<br />

I1<br />

II<br />

II<br />

It<br />

I1<br />

11<br />

II<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> INDIUM<br />

Swenson 1955.<br />

Hidnert and Blair 1943.<br />

In the two investigations above, the experimental<br />

methods and sample purities were<br />

very similar. Yet the two points by Hidnert<br />

and Blair, (L273 - L &/ L and (L -<br />

L axe respectively 7% aZZ34% less2Z2an<br />

273<br />

Swenson's corresponding points. Swenson's<br />

data have been adopted solely because they<br />

include more points over .a wider temperature<br />

range .<br />

Table of Selected Values<br />

-- 1 dL<br />

L ds<br />

per K<br />

0.<br />

0.2 x<br />

0.7<br />

1.3<br />

1.7<br />

1.91<br />

2.04<br />

2.15<br />

2.24<br />

2.32<br />

2.39<br />

It<br />

I1<br />

I1<br />

It<br />

II<br />

I1<br />

II<br />

II<br />

II<br />

Temp.<br />

0<br />

K<br />

120<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>- J- 1<br />

L293 - LT<br />

L293<br />

500<br />

448<br />

3 94<br />

339<br />

282<br />

2 24<br />

165<br />

104<br />

63<br />

42<br />

0<br />

-22<br />

II<br />

I1<br />

II<br />

II<br />

II<br />

11<br />

II<br />

It<br />

11<br />

II<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

2.52 x 10<br />

2.63<br />

II<br />

2.72<br />

I1<br />

2.79<br />

II<br />

2.86<br />

II<br />

2.93<br />

II<br />

3.01<br />

It<br />

3.08<br />

II<br />

3.13<br />

II<br />

3.15<br />

II<br />

3.20<br />

11<br />

3.22<br />

II


. _.<br />

. ._<br />

. __ .<br />

. .<br />

85 0<br />

8 00<br />

700<br />

600<br />

12<br />

n 500<br />

208<br />

-- ---- 100<br />

0<br />

-5 0<br />

<strong>IX</strong>-J-2


. . ._ __ . . . _. -<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> INVAR<br />

Sources of Data: Beenakker and Swenson 1955<br />

Other References : Chevenard 1914<br />

Gregg 1954<br />

Masumoto 1934<br />

Molby 1912<br />

Scheel 1921<br />

Discussion:<br />

Temp<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

The expansions of the Invar alloys are<br />

sensitive to composition and heat treat-<br />

ment. The above data are for an alloy<br />

believed to be 42 Ni, 0.8 Mn, bal. Fe,<br />

annealed (Lloyd B. Nesbitt, Private<br />

Communication). Although Beenakker and<br />

Swenson referred to this as "Invar", this<br />

composition approximates the alloy, Dumet,<br />

used for sealing to glass. In the iron-<br />

nickel alloy system, the minimum value of<br />

room temperature expansion coefficient<br />

occurs at about 36% Ni.<br />

Table of Selected Values<br />

- L<br />

L293 T<br />

52<br />

52<br />

52<br />

52<br />

52<br />

52<br />

52<br />

51<br />

50<br />

49<br />

47<br />

43<br />

L293<br />

Taken from NBS 29 <strong>IX</strong>-K-1<br />

11<br />

II<br />

II<br />

I1<br />

11<br />

II<br />

II<br />

II<br />

II<br />

II<br />

II<br />

Temp.<br />

0<br />

K<br />

140<br />

160<br />

180<br />

20 0<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L - L<br />

2 93 T<br />

L293<br />

II 34<br />

I1 29<br />

II 23<br />

II 18<br />

II 14<br />

8.6 'I<br />

5.2 I'<br />

3.4 II<br />

0<br />

-1.8 'I


56<br />

50<br />

40<br />

30<br />

20<br />

10<br />

-2<br />

0<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-K- 2<br />

..


Temp<br />

0<br />

K<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> IRON<br />

Sources of Data: Ebert 1928, Nix and MacNair<br />

Other References: Adenstedt 1936, Dorsey 1907<br />

Bergmann 1930<br />

Owen and Williams 1954.<br />

0<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

198<br />

198 It<br />

198 II<br />

197 'I<br />

196 It<br />

195 I'<br />

192 'I<br />

189 It<br />

185 It<br />

181 'I<br />

170 It<br />

'Taken from NBS .29<br />

Table of Selected Values<br />

-- 1 dL<br />

L dT<br />

perOK.<br />

0<br />

0.01 x 104<br />

' .03 'I<br />

.07<br />

.13 'I<br />

..20<br />

.28<br />

.35 II<br />

.42<br />

.49 II<br />

.63<br />

<strong>IX</strong>-L-1<br />

Temp<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - "T<br />

L293<br />

156<br />

140<br />

122<br />

102<br />

82<br />

60<br />

38<br />

23<br />

15<br />

0<br />

-8<br />

11<br />

I1<br />

II<br />

It<br />

11<br />

I1<br />

I1<br />

I1<br />

II<br />

II<br />

I<br />

1941<br />

Simon and<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0.76 x<br />

0.86 I'<br />

0.94 It<br />

1.00 It<br />

1.05 I'<br />

1.09 It<br />

1.13 I'<br />

1.14 'I<br />

1.15 'I<br />

1.16 I'<br />

1.17 I'


225<br />

200<br />

I75<br />

I50<br />

I25<br />

100<br />

75<br />

50<br />

25<br />

0<br />

- I5<br />

0 50 IO0 150 200 250 300<br />

TEMPERATURE, "K<br />

<strong>IX</strong>-L- 2


Sources of Data:<br />

Other References<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

5<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

Taken<br />

L<br />

293 - LT<br />

708<br />

708<br />

707<br />

700<br />

68 6<br />

667<br />

64 6<br />

624<br />

60 1<br />

5 77<br />

552<br />

5 28<br />

L293<br />

I1<br />

I1<br />

I1<br />

11<br />

I1<br />

II<br />

I1<br />

I1<br />

II<br />

I1<br />

I1<br />

from NBS 29<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> LEAD<br />

Dheer and Surange 1958, Ebert 1928, Nix and<br />

MacNair 1942, Olsen and Rohrer 1957.<br />

Dorsey 1908, Gruneisen 1910, Head and L que r<br />

1952, Lindemann 1911, McLennan, Allen and<br />

Wilhelm 1931.<br />

Superconducting lead has a slightly greater<br />

volume and a slightly smaller expansion coefficient<br />

than normal lead according to data by<br />

Olsen and Rohrer covering the region from lo<br />

to the transititon temperature, 7.2OK. For<br />

example, the difference in expansion coefficients<br />

at 5OK is about 10%.<br />

Table of Selected Values<br />

-- 1 dL Temp.<br />

0 L293 - LT -- 1 dL<br />

L dT<br />

K<br />

L dT<br />

per OK<br />

L293 per OK<br />

0<br />

0.03<br />

0.32 I'<br />

1.1 II<br />

1.7<br />

I1<br />

2 .o<br />

I1<br />

2.2<br />

I1<br />

2.3<br />

II<br />

2.4<br />

I1<br />

2.4<br />

I1<br />

2.5 II<br />

2.5<br />

I1<br />

120<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

2 93<br />

300<br />

<strong>IX</strong>-M- 1.<br />

477<br />

425<br />

I1<br />

372 I1<br />

318<br />

I1<br />

2 63<br />

I1<br />

208<br />

I1<br />

15 2 II<br />

96<br />

11<br />

58<br />

I1<br />

38<br />

0<br />

-20<br />

I1<br />

2.56 x<br />

2.63<br />

2.68<br />

2.72<br />

2.75<br />

2.78<br />

2.82<br />

2.85<br />

2.88<br />

2.89<br />

2.9<br />

2.9<br />

I1<br />

II<br />

I1<br />

II<br />

I1<br />

11<br />

I1<br />

II<br />

I1<br />

I1<br />

I1


<strong>IX</strong>-M- 2


emp . 0<br />

K<br />

Sources of Data:<br />

Other References:<br />

Discussion:<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

L293 - LT<br />

490<br />

490<br />

490<br />

489<br />

48 6<br />

482<br />

475<br />

466<br />

454<br />

441<br />

427<br />

3 93<br />

L2 93<br />

Taken from NBS 29<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

I1<br />

I1<br />

I1<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> MAGNESIUM<br />

--<br />

Ebert 1928<br />

Goens and Schrnid 1936<br />

Head and Laquer 1952<br />

Gruneisen 1910<br />

Hidnert and Sweeney 1928<br />

Anisotropic. The above values were<br />

calculated from the relation, Mean Value =<br />

1/3 (11 1 + 2/3 (L), where (11 1 and (1)<br />

signify the same property measured parallel<br />

and perpendicular, respectively, to the<br />

hexagonal axis.<br />

Table of Selected Values<br />

1' dL<br />

L dT<br />

per OK<br />

0.<br />

0.005<br />

.04<br />

.14<br />

.33<br />

.57<br />

.81<br />

1.03<br />

1.22<br />

1.39<br />

1.54<br />

1.76<br />

I1<br />

II<br />

II<br />

II<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

I1<br />

Temp.<br />

0<br />

K<br />

<strong>IX</strong>-N-1<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 - LT<br />

356<br />

L293<br />

316 11<br />

273 81<br />

227 81<br />

180 'I<br />

132 I'<br />

82.9<br />

50.4<br />

32.9 II<br />

0.0 11<br />

-17 -8 It<br />

--<br />

1 dL<br />

L dT<br />

per .OK<br />

1.94<br />

2.10<br />

2.22<br />

2.32<br />

2.39<br />

2.44<br />

2.48<br />

2.51<br />

2.52<br />

2.54<br />

2.55<br />

11<br />

11<br />

II<br />

11<br />

II<br />

II<br />

11<br />

11<br />

11<br />

II '


TEMPERATURE, 'K<br />

<strong>IX</strong>-N-2<br />

250 300


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> MONEL<br />

Sources of Data: Altman, Rubin, and Johnston 1952<br />

Other References: Ackerman 1936<br />

Aoyama and Ito 1939<br />

Fraser and Hollis-Hallet 1955<br />

Krupkowski and de Haas 1928<br />

Discussion: 67 Ni, 30 Cu, 1.5 Fey "cold-rolled" .<br />

Temp a<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

251<br />

251 It<br />

251 'I<br />

251 It<br />

250 'I<br />

248 I'<br />

245 I'<br />

244 I'<br />

236 I'<br />

230 I'<br />

223 I'<br />

120 206 I'<br />

Taken from NBS 29<br />

0,<br />

Table of S'<br />

0.003 x lo-'<br />

.02<br />

106<br />

.14<br />

.23<br />

.34<br />

.46<br />

.57<br />

.67<br />

.75<br />

.a9<br />

It<br />

tI<br />

It<br />

It<br />

I1<br />

II<br />

It<br />

II<br />

II<br />

II<br />

.ected<br />

Temp.<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

2 20<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

Values<br />

L293 - LT<br />

187<br />

L293<br />

167 'I<br />

144 It<br />

121<br />

96.4<br />

70.9 'I<br />

44.7 II<br />

27.1 "<br />

15.1 It<br />

0.0<br />

- 9.7 'I<br />

--<br />

1 dL<br />

L dT<br />

0<br />

per K<br />

0.99 x lo-!<br />

1.08 'I<br />

1.15 'I<br />

1.20 . I g<br />

1.25 'I<br />

1.29 It<br />

1.33 I'<br />

1.35 'I<br />

1.36 'I<br />

1.38 'I<br />

1.39 I'<br />

<strong>IX</strong>-0-1 1


TE.MPERATURE, OK<br />

I<br />

<strong>IX</strong>-0-2<br />

8<br />

0


T H E W EXPANSION <strong>OF</strong> NICKEL<br />

Sources of Data: Krupkowski and DeHaas 1928, Nix and<br />

MacNair 1941.<br />

Other References: Adenstedt 1936, Altman, Rubin and Johnston<br />

1954, Aoyama and Ito 1939, Disch 1921, Henning<br />

1907, Simon and Bergmann 1930.<br />

Temp.<br />

0<br />

K<br />

0<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

224<br />

2 24<br />

224<br />

223<br />

221<br />

219<br />

216<br />

211<br />

206<br />

201<br />

187<br />

Taken from NBS 29<br />

I1<br />

II<br />

I1<br />

I1<br />

II<br />

I1<br />

I1<br />

I1<br />

It<br />

II<br />

--<br />

1 dL<br />

L dg<br />

per K<br />

0.<br />

0.02<br />

,05<br />

,10<br />

.19<br />

.28 I'<br />

.38 I'<br />

.47<br />

.55 It<br />

.6l<br />

.75<br />

Table of Selected Values<br />

Temp.<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

2 93<br />

300<br />

<strong>IX</strong>-P-1<br />

L293 - LT<br />

L293<br />

171<br />

15 2<br />

13 2<br />

111<br />

88<br />

65<br />

41<br />

25<br />

16<br />

0<br />

-9<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

I1<br />

11<br />

II<br />

II<br />

II<br />

-- 1 dL<br />

L dg<br />

per K<br />

0.88 x<br />

0.98 I'<br />

1.05 I'<br />

1.10 .I1<br />

1.15 'I<br />

1.19<br />

1.22 I1<br />

1.23 "<br />

1.24 I'<br />

1.26 'I<br />

1.26 I'


225<br />

200<br />

175<br />

I50<br />

125<br />

100<br />

75<br />

50<br />

25<br />

0<br />

0 50 100 I50 200 250 300<br />

TEMPERATURE, "M<br />

<strong>IX</strong>-P-2


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> NIOBIUM<br />

Sources of Data: Erfling 1942.<br />

Other References : Hidnert and Krider 1933.<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

L293 - LT<br />

14 3<br />

14 3<br />

143<br />

14 1<br />

13 9<br />

13 7<br />

13 3<br />

129<br />

125<br />

121<br />

'293<br />

120 111<br />

I1<br />

Taken from NBS 29<br />

I1<br />

11<br />

I1<br />

It<br />

I1<br />

I1<br />

11<br />

II<br />

I1<br />

Also termed columbium.<br />

Table of Selected Values<br />

- 1 %<br />

L dT<br />

perOK<br />

0.<br />

.03<br />

.09<br />

.17<br />

.24 I'<br />

.31<br />

.36<br />

.40<br />

-44<br />

.47<br />

.52<br />

Temp.<br />

0<br />

K ,<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-Q-1 ,<br />

99.4<br />

87.7<br />

75.5<br />

63 .O<br />

50 .O<br />

36.7<br />

23.1<br />

14.1<br />

9.2<br />

0 .o<br />

-5.0 , '<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

.56 x<br />

.59<br />

.62<br />

.64<br />

.66<br />

.67<br />

.68<br />

.69<br />

.69<br />

.70<br />

.70<br />

c<br />

I1<br />

I1 .<br />

I1<br />

I1<br />

I1<br />

It<br />

I1


TEMPERATURE, OK<br />

<strong>IX</strong>-Q-2


<strong>IX</strong>-Q-3<br />

W O N *<br />

9 9<br />

8 0 0<br />

!.I I I I I I I I 1 I I I<br />

0<br />

0<br />

N<br />

0<br />

m


I<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> ARALDITE N0.501<br />

Sources of Data: Laquer and Head 1952.<br />

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

180<br />

Caken<br />

Epoxy casting resin made by Ciba Co.<br />

40 g of the material was catalyzed with<br />

2 ml triethanolamine. Cured 8 hr. at<br />

120° C and then 24 hr. at 180° C.<br />

Table of Selected Values<br />

L293 - LT<br />

L293<br />

~<br />

LO61 x 10-5<br />

LO51 I1<br />

LO22<br />

983 I'<br />

935 'I<br />

880 I'<br />

819 I'<br />

751 I'<br />

676<br />

594 II<br />

irom NBS 29<br />

<strong>IX</strong>-R-1.1<br />

Temp<br />

0<br />

K<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

2 80<br />

2 93<br />

300<br />

L293 - LT<br />

L293<br />

505 x 10-5<br />

410 I'<br />

308 'I<br />

199 II<br />

122<br />

81 'I<br />

0<br />

-46 I'


I150<br />

I100<br />

IO00<br />

900<br />

h<br />

ro<br />

' 800<br />

0<br />

ZI<br />

n<br />

-<br />

W<br />

=J 700 0<br />

><br />

-<br />

Q<br />

.-<br />

4- - 600<br />

i<br />

v<br />

500<br />

Yr)<br />

0<br />

ru<br />

-I<br />

400<br />

300<br />

200<br />

100<br />

<strong>THERMAL</strong> EXPANSION<br />

of AWALDITE NO, 501<br />

0 50 100 150 200 2<br />

TEMPERATURE, O K<br />

<strong>IX</strong>-R-1.2<br />

3 300


Sources of Data:<br />

Other References:<br />

Discussion:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> FLUOROTHENE or KEL-F<br />

Temp.<br />

0<br />

K.<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

14 0<br />

160<br />

Laquer and Head 1952.<br />

Polychlorotrifluoroethylene. The<br />

samples were, respectively, froma<br />

5 in. diameter rod of Fluorothene made<br />

by Union Carbon and Carbide and from a<br />

1/16 in. thick sheet of Kel-F made by<br />

M.W. Kellog and Co.<br />

Table of Selected Values<br />

'293 - LT<br />

L293<br />

L/35 x lo-s<br />

L1L4 I'<br />

LO70 'I<br />

LO19 I'<br />

962 'I<br />

900 'I<br />

834 'I<br />

763 I'<br />

686 I'<br />

Taken from NBS 29<br />

Pemp . 0<br />

K<br />

180<br />

2 00<br />

220<br />

240<br />

260<br />

273<br />

280<br />

293<br />

300<br />

604<br />

517 'I<br />

424 'I<br />

324 'I<br />

214 I'<br />

134 'I<br />

90 Io<br />

0 , 'I<br />

-52 II


I<br />

<strong>IX</strong>-R-2.2<br />

8


Sources of Data:<br />

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

03<br />

too<br />

-20<br />

-40<br />

.60<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> LUCITE<br />

Laquer and Head 1952.<br />

Po Pyme t hy lme t hacry late .<br />

DuPont Lucite''.<br />

from rod stock.<br />

Table of Selected Values<br />

1134<br />

1123<br />

1092<br />

1048<br />

995<br />

93 6<br />

869<br />

796<br />

717<br />

x lo-!<br />

Taken from NBS 29<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

I1<br />

<strong>IX</strong>-R- 3.1<br />

Temp<br />

0<br />

K<br />

180<br />

200<br />

220<br />

240,<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

" Probably<br />

Average of two samples<br />

L<br />

293<br />

L293<br />

63 2<br />

540<br />

441<br />

335<br />

220<br />

13 6<br />

91<br />

0<br />

-53<br />

- LT<br />

x lo-!<br />

II<br />

I


<strong>IX</strong>-R- 3.2


Sources of Data:<br />

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

raken<br />

Laquer and Head 1952.<br />

From 3/4 inch diameter rod. "Probably<br />

E.I. DuPont de Nemours and Co. grade FM-1".<br />

Table of Selected Values<br />

L293 - LT<br />

L293<br />

1389 x lov5<br />

L379 I(<br />

1352<br />

1308 "<br />

L247 I'<br />

1172 'I<br />

LO88 I'<br />

996 I'<br />

896 'I<br />

irom NBS 29<br />

Temp<br />

0<br />

K<br />

180<br />

200<br />

220<br />

240<br />

260<br />

273<br />

280<br />

300<br />

<strong>IX</strong>-R-4 1<br />

-<br />

L293 - LT<br />

L293<br />

789 x 10'<br />

673 I'<br />

548 I'<br />

412 'I<br />

2'65 'I<br />

161 @I<br />

107 I'<br />

0<br />

- 61<br />

I1


<strong>IX</strong>-R-4.2


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> PLEXIGLAS<br />

Sources of Data: Data from Laquer and Head 1952. (In<br />

addition to the substances listed in<br />

the table, data have been given for 16<br />

specially compounded rubbers by Dunsmoor<br />

et al. 1958 and Trepus et al. 1959. These<br />

data consist mainly of values of (L -L )<br />

293 78<br />

L293<br />

Other References: Wood, Bekkedahl and Peters 1939,<br />

Discussion:<br />

Polymethylmethacrylate made by Rohm and<br />

Haas Co. Data from Giauque, Geballe,<br />

Lyon and Fritz 1952.<br />

Table of Selected Values<br />

I<br />

Temp.<br />

0<br />

K<br />

-<br />

0<br />

20<br />

40<br />

60<br />

80<br />

100<br />

120<br />

140<br />

160<br />

L293 - LT<br />

L293<br />

1210 I'<br />

1160 'I<br />

1110 I'<br />

LO50 'I<br />

180<br />

Taken from NBS 29<br />

<strong>IX</strong>-K-5.1<br />

Temp.<br />

0<br />

K<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

28 0<br />

293<br />

298<br />

300<br />

L293 - LT<br />

590<br />

L293<br />

490 I'<br />

-55 I'


<strong>IX</strong>-R-5.2


Sources of Data:<br />

Other References :<br />

Discussion:<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> POLYSTYRENE<br />

Tgmp .<br />

K<br />

u<br />

20<br />

40<br />

60'<br />

80<br />

loo<br />

120<br />

140<br />

160<br />

Laquer and Head 1952. (In addition to<br />

the substances listed in the table, data<br />

have been given for 16 specially compounded<br />

rubbers by Dunsmoor et al. 1958 and Trepus<br />

et al. 1959. These data consist mainly of<br />

values of (L -L )/L293.<br />

293 78<br />

Wood, Bekkedahl and Peters 1939.<br />

Average of two samples from rod stock,<br />

both "probably American Phenolic Corp.<br />

grade 912A.<br />

Table of Selected Values<br />

1550 x<br />

1552 I'<br />

1466 'I<br />

1394 'I<br />

1308 " "<br />

1211 It<br />

1105 It<br />

992 I'<br />

874 I'<br />

180 752 'I<br />

Taken from NBS 29<br />

Temp<br />

0<br />

K<br />

2.0 0<br />

220<br />

240<br />

260<br />

273<br />

280<br />

293<br />

298<br />

300<br />

<strong>IX</strong>-R-6.1<br />

L<br />

293 - LT<br />

L293<br />

626 x 10-5<br />

499 'I<br />

368 I'<br />

232 I'<br />

141 I'<br />

93 I'<br />

0 "<br />

-51 II


I-<br />

-%<br />

* a<br />

%J<br />

200<br />

0<br />

- 100<br />

<strong>IX</strong>-R-6.2<br />

a


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> POLYTHENE<br />

Sources of Data: Laquer and Head 1952. (In addition to<br />

the substances listed in the table, data<br />

have been given for 16 specially compounded<br />

rubbers by Bunsmoor et al. 1958 and Trepus<br />

et al. 1959. These data consist.mainly of<br />

values of (L -L<br />

293 78<br />

Other Re ference s : WOQ~, Bekkedahl and Peters 1939.<br />

Discussion: Polyethylene made by E.I. Du Pont de Nemours<br />

and Co.. Molded under 2000 psi pressure at<br />

l5OoC for 10 min. Directional variations<br />

were negligible. See also Hunter and Oakes<br />

1945. Five filled polythenes were measured<br />

by Head and Laqyer 1952.<br />

remp .<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

too<br />

L20<br />

L40<br />

160<br />

-80<br />

Table of Selected Values<br />

L293 - LT<br />

L293<br />

2449 x 10-5<br />

2439 I1<br />

2404 I1<br />

2349 I1<br />

2279 I1<br />

2194 11<br />

2089 I1<br />

1964 I1<br />

1814 I1<br />

1639 I1<br />

Taken from NBS 29<br />

Temp.<br />

0<br />

IC<br />

200<br />

220<br />

240<br />

2 60<br />

293<br />

2%0<br />

293<br />

298<br />

300<br />

<strong>IX</strong>-R- 7.1<br />

- L<br />

L293 T<br />

L293<br />

1439 10-5<br />

1199<br />

919 'I<br />

594<br />

359 'I<br />

239<br />

0<br />

-131


I-<br />

? %<br />

m N<br />

m-l<br />

N<br />

-I<br />

-200 0<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-R- 7.2


LL<br />

a<br />

3<br />

0<br />

aJ<br />

a<br />

.<br />

L<br />

4-<br />

L<br />

E<br />

?<br />

0 0<br />

I<br />

0<br />

tu<br />

M<br />

0<br />

a3<br />

(u<br />

0<br />

d-<br />

(u<br />

0<br />

0<br />

N<br />

Y<br />

a<br />

3<br />

0<br />

c<br />

L<br />

c<br />

3 L<br />

@ a J<br />

E<br />

e<br />

-<br />

3<br />

5<br />

3<br />

D<br />

><br />

t<br />

><br />

w<br />

2<br />

w<br />

J<br />

>.<br />

I<br />

I-<br />

w<br />

).<br />

J<br />

0<br />

a<br />

a2<br />

0<br />

U<br />

w<br />

z)<br />

a<br />

l-<br />

a<br />

U<br />

w<br />

a<br />

2<br />

w<br />

I-<br />

C/)<br />

' 3<br />

C/)<br />

U<br />

w<br />

><br />

z<br />

0<br />

C/)<br />

2<br />

X<br />

w<br />

-I<br />

-<br />

a<br />

a<br />

a<br />

z<br />

E<br />

w<br />

I<br />

I-<br />

<strong>IX</strong>-R-7.3


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> TEFLON<br />

Sources of Data: Laquer and Head 1952<br />

Other References: Dunsmoor et al. 1958<br />

Trepus et al. 1959<br />

Wood, Bekkedahl and Peters 1939.<br />

Discussion: Polytetrafluoroethylene . Extruded and<br />

annealed sample measured by Kirby 1956.<br />

He found that strained samples could have<br />

expansions larger or smaller than those of<br />

annealed Teflon, the differences being as<br />

large as 20%. Laquer and Head (1952) measured two<br />

samples of DuPont Teflon rod taken normal<br />

and parallel to the extrusion directicn.<br />

The expansions parallel were roughly 15%<br />

larger than those normal, and the average<br />

is 10 to 15% larger than the the above data<br />

by Kirby. The data of Laquer and Head were<br />

used only to guide the extrapolation of Kirbyts<br />

values below 80°K. Teflon has a first order<br />

transition at 2OoC. Therefore we use 25O C<br />

as a reference temperature and tabulate lo5<br />

(L298-LT) L298 above.<br />

Temp<br />

0<br />

K<br />

0<br />

20<br />

40<br />

60<br />

80<br />

LOO<br />

120<br />

140<br />

Table of Selected Values<br />

L293 - LT<br />

L293<br />

2140 x<br />

2110<br />

2060 I'<br />

2000 I1<br />

1930 I'<br />

1850 I'<br />

1760 'I<br />

1660 It<br />

Taken from NBS 29<br />

Temp,<br />

OK<br />

160<br />

180<br />

200<br />

2 20<br />

240<br />

2 60<br />

273<br />

298<br />

<strong>IX</strong>-R-8.1<br />

L2 93 - LT<br />

L293<br />

1540 x lom5<br />

1400<br />

11<br />

1240<br />

I1<br />

1050<br />

I1<br />

855<br />

I1<br />

645<br />

I1<br />

500<br />

I1<br />

0<br />

11


h<br />

m<br />

-<br />

b<br />

2200<br />

2000<br />

1750<br />

I500<br />

>r 1250<br />

n<br />

Q)<br />

- 3<br />

0<br />

1<br />

I-<br />

-1<br />

I ' c )<br />

4?<br />

2-1<br />

A<br />

750<br />

500<br />

250<br />

-200<br />

0<br />

0<br />

<strong>THERMAL</strong> EXPANSION<br />

50 100 150 200 2 50 300<br />

TEMPERATURE, O K<br />

<strong>IX</strong>-R-8.2


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> PLATINUM<br />

Sources of Data: Nix and MacNair 1942.<br />

Other References: Dorsey 1907.<br />

Henning 1907.<br />

Onnes and Clay 1096.<br />

Scheel 1907.<br />

Scheel and Heuse 1907.<br />

Valentiner and Wallot 1915.<br />

Discussion:<br />

I<br />

<strong>IX</strong>-s-1


3<br />

1 %<br />

;3<br />

-I<br />

<strong>IX</strong>-s-2


Temp.<br />

0<br />

K<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> QUARTZ (CRYSTALLINE 11 )<br />

Sources of Data: Buffington and Latimer 1926<br />

Other References : Dorsey 1908<br />

Lindemann 1912<br />

Nix and MacNair 1941<br />

Scheel 1907<br />

Sosman 1927<br />

Discussion: Measured parallel to the optic axis. Nix<br />

and MacNair measured expansions perpendi-<br />

cular to the optic axis but presented only<br />

a coarse graph of the resukts, from which<br />

the following values of 10 (dL/LdT) were<br />

taken: 7 at 100°K, 10 at 150°, 12 at 200°,<br />

13 at 250°, 14 at 300°K.<br />

90<br />

10 0<br />

120<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

Taken<br />

107 lod5<br />

104 I'<br />

97.7 'I<br />

89.8 'I<br />

80.9 I'<br />

71.2 I'<br />

60.5 I'<br />

49.1 I'<br />

irom NBS 29<br />

--<br />

1 dL<br />

L dT<br />

per OX<br />

0.27<br />

Table of Selected Values<br />

,31 It<br />

.37 I1<br />

.42 II<br />

Temp.<br />

0<br />

K<br />

.47 I)<br />

.51 It 300<br />

.55 I1<br />

.59 II<br />

<strong>IX</strong>-T-1<br />

36.7 x lo-!<br />

23.6 I'<br />

14.6 I'<br />

9.6 I'<br />

0.0 II<br />

- 5.3 II<br />

--<br />

1 dL.<br />

L dT<br />

per OK<br />

0.64<br />

.68 'I<br />

.71 II<br />

.72 'I<br />

.75 I'<br />

.76 I'


110<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-T- 2<br />

0<br />

0.88<br />

0.80<br />

-0.08<br />

1<br />

8


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> SILVER<br />

Sources of Data: Ebert 1928, Nix and MacNair 1942.<br />

Other References: Ayres 1905, Buffington and Latimer 1926,<br />

Dorsey 1907, Henning 1907, Keesom and<br />

Jansen 1927, Lindemann 1911.<br />

Keesom and Kohler 1933.<br />

Owen and Williams 1954.<br />

Shearer 1950.<br />

Taken from NBS 29<br />

Table of Selected Values<br />

<strong>IX</strong>-u-1


I-<br />

-1m<br />

l a<br />

(u<br />

-f<br />

KY<br />

-20<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-u-2


THETFAL EXPANSION <strong>OF</strong> S<strong>OF</strong>T SOLDER<br />

Sources of Data: Dorsey 1907<br />

Other References:<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

90<br />

100<br />

120<br />

140<br />

160<br />

183<br />

200<br />

467<br />

447 "<br />

407 'I<br />

365 I'<br />

321 'I<br />

276 I'<br />

229 I'<br />

Taken from NBS 29<br />

50 Pb, 50 Sn.<br />

Table of Selected Values<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

1.96<br />

2.00 It<br />

2.07 'I<br />

2.14 I'<br />

2.22 'I<br />

2.29 'I<br />

2.35 I'<br />

<strong>IX</strong>-v-1<br />

Temp.<br />

0<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

182 x<br />

133 I'<br />

83 It<br />

51 I'<br />

33 II<br />

0 It<br />

-18 'I<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

2.41<br />

2.46 'I<br />

2.50 'I<br />

2.52 I'<br />

2.53 'I<br />

2.54 'I<br />

2.55 "


TEMPERATURE, OK<br />

<strong>IX</strong>-v-2


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> STEEL AIS1 304<br />

Sources of Data: Altman, Rubin, and Johnston 1954<br />

Beenakker and Swenson 1955<br />

Other References : Fontana 1948<br />

Fontana, Bishop, and Spretnak 1953<br />

Furman 1950<br />

Discussion:<br />

Composition limits for this alloy are:<br />

0.08 max. C, 2 max. Mn, 1 max. Si, 18-20 Cr,8-<br />

11 Ni. Altman et al., found small irreversible<br />

effects and, below 35OK, small negative values<br />

of expansion coefficient. While we have given<br />

their results inferior weight in this region,<br />

the effects were undoubtedly real and attributable<br />

to martensitic transformation on cooling<br />

(Reed and Mikesel1,1958). In this alloy the<br />

extent of transformation that is produced by<br />

cooling is sensitive to composition and has<br />

been found to vary from zero to about 50%.<br />

(R .P .Reed, private communication) . Complete<br />

transformation would be accompanied by a mean<br />

increase in linear dimension of roughly 1%<br />

(Ward, Jepson, and Rait, 1952; and Fiedler,<br />

Averbach, and Cohen, 1955.)<br />

Temp.<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

120<br />

Faken<br />

L293 - LT<br />

L2 93<br />

296 x 10-5<br />

296 I'<br />

296 I'<br />

296 'I<br />

296 I'<br />

294 I'<br />

291<br />

285 'I<br />

279 I'<br />

271 I'<br />

261 'I<br />

241 I'<br />

from NBS 29<br />

Table of Selected Values<br />

--<br />

1 dL<br />

ilT<br />

per K<br />

0,<br />

0.001 x lo'?<br />

,002 'I<br />

. ,062 'I<br />

* 11 11<br />

.23 II<br />

* 43<br />

61<br />

75<br />

.87<br />

.96<br />

I1<br />

II<br />

II<br />

II<br />

I1<br />

1.09 I1<br />

Temp.<br />

0<br />

K<br />

-<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

28 0<br />

293<br />

300<br />

<strong>IX</strong>-w-1.1<br />

218<br />

193<br />

I1<br />

167 I1<br />

139 II<br />

111 II<br />

81.7 I'<br />

51.4 'I<br />

31.4 'I<br />

20.5 I'<br />

0.0<br />

-11.1<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

1.20<br />

1.28 I'<br />

1.34 I'<br />

1.40 'I<br />

1.45 'I<br />

1.49 II<br />

1.53 It<br />

1.55<br />

1.56 'I<br />

1.59<br />

1.60 I'


h<br />

In<br />

I<br />

0<br />

h<br />

320<br />

300<br />

250<br />

200<br />

n<br />

- 2 150<br />

P<br />

- ZI<br />

.- Q<br />

.I- -<br />

E'<br />

v<br />

IO0<br />

50<br />

0<br />

50 100 150 200 250 300<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-w-1.2<br />

1.92<br />

iao<br />

1.50<br />

Y<br />

0<br />

5<br />

Q<br />

160 -<br />

1.30<br />

3<br />

"1'<br />

-1-J<br />

urn


. I<br />

<strong>IX</strong>-W-1.3<br />

pa3Jad UO!SUDd%3 IDlLl.I.7111<br />

0<br />

" - i. -<br />

0<br />

I<br />

"J<br />

0<br />

I<br />

n<br />

0<br />

I<br />

' 0<br />

C)<br />

v<br />

I<br />

0<br />

M<br />

I<br />

Q<br />

I- -<br />

\ i<br />

L<br />

Y<br />

1' I<br />

P:'<br />

c I<br />

C


Temp<br />

0<br />

K<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> STEEL AIS1 310<br />

Sources of Data: Furman 1950<br />

0 the r Re fer e nce s :<br />

Discussion:<br />

L293 - LT<br />

246<br />

L293<br />

237 'I<br />

218 I'<br />

198 I'<br />

176 I'<br />

152 'I<br />

127 I'<br />

Taken from NBS 29<br />

0.11 C, 1.51 Mn, 0.42 Si, 0.01 S, 0.02 P,<br />

27.2 Cr, 21.6 Ni, bal. Fe. Annealed 30<br />

min. at 1950° F and water quenched.<br />

Table of Selected Values<br />

- 1 %<br />

L gT<br />

per K<br />

0.89<br />

.91<br />

.98<br />

1.07<br />

I1<br />

1.14 II<br />

1.21 (I<br />

1.27<br />

II<br />

I1<br />

It<br />

Temp<br />

0<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

2 93<br />

300<br />

<strong>IX</strong>-w-2.1<br />

L293 - LT<br />

L293<br />

74.5<br />

46.9 I'<br />

28.6 "<br />

18.7 I'<br />

0.0<br />

-10.2<br />

- 1dJ<br />

L dT<br />

0<br />

per K<br />

1.32<br />

1.36 I'<br />

1.40 'I<br />

1.42 I'<br />

1.43 I'<br />

1.45 'I<br />

1.46 'I


<strong>IX</strong>-w-2.2<br />

136<br />

I1.50<br />

1.20<br />

X60<br />

1.30<br />

Y<br />

L<br />

a,<br />

a<br />

8


<strong>IX</strong>-w-2.3<br />

0<br />

-<br />

0<br />

I<br />

d<br />

I<br />

N<br />

. _<br />

-. .<br />

...<br />

.....<br />

\'<br />

I '<br />

1<br />

x<br />

UI<br />

__ ..<br />

._ -<br />

\ \<br />

._ ,-<br />

....<br />

. . .<br />

..<br />

....<br />

. . .<br />

__ . .-<br />

.<br />

.-<br />

-. .<br />

.......<br />

..<br />

.. ._ I<br />

-.<br />

. ._<br />

.......<br />

. -. ......<br />

...<br />

.....<br />

\ \<br />

...<br />

.. -<br />

. --..<br />

___ -.<br />

........<br />

........<br />

\<br />

... \<br />

__ -<br />

..<br />

.....<br />

\ \<br />

. -<br />

.......<br />

.<br />

. . . .<br />

...<br />

--<br />

.<br />

_-<br />

I_<br />

.


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> STEEL AIS1 316<br />

Sources of Data: Beenakker and Swenson 1955.<br />

Other References Furman 1950<br />

Lucks and Deem 1958<br />

Discussion:<br />

-<br />

remp . 0<br />

K<br />

-<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

too<br />

120<br />

L293 - LT<br />

'293<br />

Taken from NBS 29<br />

Composition and heat treatment of sample<br />

not stated. Composition limits for this<br />

alloy are: 0.10 (max.) C, 2 (max.) Mn, 1<br />

(max.) Si, 16-18 Cr, 10-14 Ni, 2-3 Mo,<br />

bal. Fe.<br />

Table of Selected Values<br />

- 1 &<br />

L dT<br />

0<br />

per K<br />

0,<br />

0 .004 lom5<br />

.009<br />

.05<br />

.14<br />

.27<br />

.43<br />

.65<br />

.82<br />

.94<br />

1.02<br />

1.13<br />

II<br />

I1<br />

II<br />

I1<br />

II<br />

II<br />

II<br />

I1<br />

II<br />

<strong>IX</strong>-W-3.1<br />

Temp.<br />

0<br />

K<br />

14 0<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

214<br />

189 'I<br />

163<br />

136 "<br />

109<br />

80.1 I'<br />

50.6 I'<br />

30.9 'I<br />

20.2 'I<br />

0.0<br />

-11.0 'I<br />

-- 0<br />

1 dL<br />

L dT<br />

per K<br />

1.21<br />

1.27<br />

1.32 I'<br />

1.36 I'<br />

1.41<br />

1.45 I'<br />

1.50 I'<br />

1.53 'I<br />

1.54 I'<br />

1.57 'I<br />

1.58 'I


<strong>IX</strong>-w-3.2<br />

8<br />

e


<strong>IX</strong>-W-3.3<br />

0<br />

.._I<br />

0<br />

(u<br />

I<br />

. ....- .<br />

-_<br />

.<br />

1 ............ ..<br />

.........<br />

-<br />

-- -<br />

._ i<br />

-.<br />

......<br />

I<br />

I<br />

.... - .<br />

.<br />

--<br />

.<br />

\I .I_._<br />

I<br />

F<br />

-_<br />

1 .<br />

. .- I ......<br />

.......<br />

...<br />

.<br />

1- . --<br />

\ I<br />

. .I-- ....<br />

I<br />

- ........ ..............<br />

- -__ _.<br />

.- .....<br />

......<br />

W<br />

a<br />

........<br />

I<br />

..<br />

- - ._<br />

....<br />

I__. __<br />

..<br />

_- \<br />

\<br />

I---<br />

\<br />

h


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> STEEL AIS1 347<br />

Sources of Data: Furman 1950.<br />

Other References: Lucks and Deem 1958.<br />

Discussion: 0.07 C, 1.74 Mn, 0.56 Si, 0.006 5,<br />

0.019 P, 18.65 Cr, 11.3 Ni, 0.77 Nb,<br />

bal. Fe. Annealed 30 min. at 1950° F<br />

and water quenched.<br />

Temp.<br />

0<br />

K<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Taken<br />

L293 - LT<br />

L293<br />

262<br />

253 'I<br />

233<br />

211<br />

I'<br />

187 'I<br />

163 I'<br />

136 I'<br />

from VBS 29<br />

Table of Selected Values<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

0.94 x lom5<br />

.98 'I<br />

1.05 I'<br />

1.13 I'<br />

1.21<br />

1.28<br />

1.34 'I<br />

<strong>IX</strong>-W-4.1<br />

Tgmp .<br />

K<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

L293 -,<br />

109<br />

L293<br />

'T<br />

80.2 "<br />

50.6 I'<br />

30.9 I'<br />

20.2 I'<br />

0.0<br />

-11.0<br />

1 dL -7<br />

L dT<br />

per OK<br />

1.40<br />

1.46 I'<br />

1.50 'I<br />

1.53 I'<br />

1.54 I'<br />

1.56 'I<br />

1.57 'I


I-<br />

T'g<br />

-J<br />

82<br />

of STEEL A.I.S.I. 347<br />

0 50 100 I00 200<br />

TEMPERATURE, OK<br />

<strong>IX</strong>-W-4.2<br />

250 300<br />

1.62<br />

1.50<br />

1020<br />

0.30<br />

0


+ua3J a d<br />

-<br />

0<br />

...<br />

0 (\J ”.<br />

0 0<br />

I<br />

0<br />

0<br />

d-<br />

I<br />

3<br />

d-<br />

__.<br />

0<br />

pr,<br />

I<br />

. . __<br />

0<br />

OD<br />

O<br />

N -<br />

I<br />

C<br />

C<br />

h<br />

E<br />

I- a,<br />

a<br />

CT:<br />

UI<br />

Y<br />

a, .<br />

L<br />

C<br />

C<br />

~<br />

I<br />

0<br />

Tt<br />

N<br />

I<br />

I<br />

F<br />

0<br />

a3<br />

cu<br />

m


<strong>THERMAL</strong> EXPANSION <strong>OF</strong> STEEL, S .A.E. 1020<br />

Sources of Data: Altman, Rubin and Johnston 1952<br />

Other References: Beenakker and Swenson 1955<br />

Dorsey 1910<br />

Gregg 1954<br />

Discussion:<br />

Temp.<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

100<br />

1.20<br />

Taken<br />

L293 - LT<br />

L<br />

293<br />

202<br />

202<br />

201<br />

201<br />

200<br />

198 I'<br />

195 'I<br />

192 I'<br />

187<br />

182 I'<br />

170 'I<br />

from NBS 29<br />

0.<br />

0.18 Cy 0.33 Mn, 0.01 Si, bal. Fe.<br />

According to Beenakker and Swenson, cast<br />

iron had the same thermal expansion as 1020<br />

steel within their experimental uncertainty<br />

of +3~10'~ in AL/L.<br />

Table of Selected Values<br />

-5<br />

0.001 x 10<br />

.03<br />

.08<br />

.14<br />

.23<br />

.31<br />

.40<br />

.48<br />

.55<br />

.68<br />

I1<br />

II<br />

II<br />

II<br />

II<br />

II<br />

II<br />

II<br />

$1<br />

Temp.<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

2 20<br />

240<br />

2 60<br />

273<br />

28 0<br />

293<br />

300<br />

LX-x-1<br />

155<br />

138 'I<br />

120<br />

101 II<br />

80.7 It<br />

59.6 'I<br />

37.7 It<br />

22.9<br />

15.1 'I<br />

0.0<br />

-8.3 It<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

-5<br />

0.78 x 10<br />

.87 I'<br />

.94<br />

.99 I'<br />

1.04 I'<br />

1.08<br />

1.11<br />

I'<br />

1.14 I'<br />

1.15 'I<br />

1.17 I'<br />

1.19


TEMPERATURE, OK<br />

<strong>IX</strong>-x- 2


‘<strong>IX</strong>-X- 3<br />

3<br />

3<br />

$<br />

3<br />

r)<br />

D<br />

N -<br />

3<br />

e<br />

0<br />

.5<br />

L<br />

ai -<br />

n<br />

I-<br />

L<br />

z<br />

LL<br />

Y<br />

aJ ”<br />

L<br />

0 2<br />

- Y?<br />

0)<br />

9.<br />

E<br />

0)<br />

I-<br />

0<br />

(u<br />

0<br />

d<br />

(u.<br />

0<br />

00<br />

cu<br />

0<br />

(u<br />

m


I'emp . 0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

LOO<br />

120<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> TANTALUM<br />

Sources af Data: Nix and MacNair 1942<br />

Other References : Disch 1921<br />

Hidnert 1929<br />

L293 - LT<br />

L<br />

293<br />

14 3<br />

143<br />

143<br />

142<br />

141<br />

13 8<br />

135<br />

13 1<br />

127<br />

122<br />

117<br />

106<br />

10'~<br />

Taken from NBS 29<br />

II<br />

II<br />

II<br />

II<br />

11<br />

II<br />

I1<br />

II<br />

II<br />

I1<br />

Table of Selected Values<br />

0.<br />

0.005 x<br />

.04<br />

.11<br />

.20<br />

.2%<br />

.35<br />

.41<br />

.45<br />

.49<br />

.52<br />

.55<br />

I1<br />

I1<br />

II<br />

I1<br />

11<br />

I1<br />

I1<br />

I1<br />

I1<br />

I1<br />

1<br />

<strong>IX</strong>-Y-I.<br />

L293 - LT<br />

'293<br />

95.1 x lo-!<br />

83.5<br />

71.5<br />

59.3<br />

47 .O<br />

34.4<br />

21.6<br />

13.1<br />

8.5<br />

0 .o<br />

-4.6<br />

--<br />

1 dL<br />

L a;<br />

per K<br />

0.58 x 10 -<br />

.59 It<br />

.60 "<br />

.61 I'<br />

.62 'I<br />

.63<br />

.65 I'<br />

.65 'I ,<br />

.66 'I<br />

.66 I'<br />

.66 'I


3<br />

1 %<br />

rnN<br />

2-J<br />

-I<br />

<strong>IX</strong>-Y - 2<br />

0.68<br />

0.60<br />

0.50 - lo<br />

I<br />

0<br />

-<br />

n<br />

0)<br />

- 3<br />

0.40 5<br />

0.30<br />

0.20<br />

0.10<br />

0<br />

-<br />

.- a<br />

- c<br />

i<br />

v<br />

5<br />

L<br />

0)<br />

a<br />

L<br />

Ai-<br />

WI-0<br />

-1-1


Sources of Data: Erfling 1939<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> TIN (WHITE)<br />

Other References: Cohen and Olie 1910<br />

Dorsey 1907<br />

Gruneisen 1910<br />

Discussion:<br />

Temp<br />

0<br />

K<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

00<br />

20<br />

447<br />

447<br />

445<br />

441<br />

433<br />

423<br />

412<br />

399<br />

385<br />

371<br />

356<br />

3 24<br />

Taken from NBS 29<br />

I1<br />

II<br />

I1<br />

I1<br />

I1<br />

I1<br />

II<br />

It<br />

II<br />

II<br />

11<br />

Anisotropic. The above values were calculated<br />

from the relation, Mean Value = 1/3 (11 ) +<br />

2/3 (J.), where ( 11 ) and (I.) signify the same<br />

property measured parallel and perpendicular,<br />

respectively, to the tetragonal axis.<br />

Thewlis and Davey (1954) measured the lattice<br />

parameter of grey tin, a brittle form with<br />

diamond-type lattice that is stable below 18OC.<br />

Their data cover the range, -130 to +20°C, and<br />

are, represented by a constant expansion coefficient,<br />

dL/LdT = 4.7 x 10-6deg'1C. See also<br />

Cohen and Olie (1910) . The ordinary ductile<br />

variety (white tin) if pure may transform to<br />

grey tin at low ambient temperatures. but is<br />

stabilized by impurities.<br />

Table of<br />

- 1 3<br />

L dT<br />

per OK<br />

0.<br />

-5<br />

.07 x 10<br />

I1 .3<br />

.6<br />

.9<br />

1.1<br />

1.2<br />

1.3<br />

1.42<br />

1.50<br />

1.56<br />

1.64<br />

11<br />

II<br />

I1<br />

I1<br />

It<br />

I1<br />

II<br />

I1<br />

I1<br />

Selected Values<br />

Temp.<br />

0<br />

K<br />

140<br />

160<br />

180<br />

200<br />

220<br />

240<br />

2 60<br />

273<br />

280<br />

293<br />

300<br />

<strong>IX</strong>-2-1<br />

L<br />

293 - LT<br />

L293<br />

290<br />

255 I'<br />

219 It<br />

183 I'<br />

145 I'<br />

106 I'<br />

66.7 I'<br />

40.7 'I<br />

26.5 'I<br />

0.0<br />

-14.4 'I<br />

--<br />

1 dL<br />

L dT<br />

per OK<br />

1.71 x<br />

1.77<br />

1.82<br />

1.87<br />

1.91<br />

1.95<br />

1.99<br />

2.01<br />

2.03<br />

2.05<br />

2.06<br />

II<br />

11<br />

I1<br />

I1<br />

II<br />

II<br />

II<br />

I1<br />

I1<br />

I1


TEMPERATURE, O K<br />

<strong>IX</strong>-2-2


'emp .<br />

'K<br />

--<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

60<br />

70<br />

80<br />

90<br />

30<br />

653 10-5<br />

a 3<br />

682<br />

677<br />

667<br />

652<br />

633<br />

611<br />

588<br />

565<br />

541<br />

II<br />

11<br />

I1<br />

II<br />

I1<br />

It<br />

II<br />

11<br />

I1<br />

II<br />

I<br />

---, pi"" 9<br />

1 dL<br />

L dT<br />

--<br />

0<br />

.03 10-5<br />

*3<br />

.R<br />

1.3<br />

1 *7<br />

2.1<br />

2.2<br />

2.3<br />

2.36<br />

2.42<br />

II<br />

I1<br />

11<br />

If<br />

II<br />

II<br />

I1<br />

II<br />

I1<br />

<strong>IX</strong>-AA-1<br />

II<br />

II<br />

I'<br />

I1<br />

II<br />

Il<br />

II<br />

11<br />

II<br />

II<br />

1 dI,<br />

- -., pr 9<br />

L dT<br />

. ___ . .<br />

2.53 10-5<br />

2.63- , 1'<br />

2.73<br />

2.81<br />

2.87 It<br />

2.51<br />

2.911..<br />

2.56..<br />

2.97 '<br />

2-.35<br />

fl<br />

' II<br />

It<br />

2.93 '.It<br />

, ..<br />

3.m<br />

- . __ - . .<br />

..


600<br />

500<br />

\<br />

.r[ \<br />

\,<br />

c1 /<br />

0 /y<br />

'<br />

-<br />

400<br />

______ -____<br />

\ I-<br />

--@<br />

P+<br />

4-<br />

1<br />

\ /'<br />

'0 .(<br />

-<br />

al<br />

1<br />

0<br />

><br />

2, -<br />

.- 4<br />

- c<br />

300<br />

Y<br />

I-<br />

A n<br />

I Q ,<br />

locu<br />

Q,J<br />

cu<br />

A<br />

200<br />

I<br />

I<br />

I<br />

1<br />

/<br />

I<br />

J<br />

I<br />

! \<br />

I \<br />

1<br />

\<br />

r -<br />

<strong>IX</strong>-AA-2<br />

\<br />

\<br />

i -_____<br />

!<br />

\<br />

\,<br />

#-+-<br />

3.0<br />

- 2.5<br />

h<br />

2.0 y 0<br />

>r<br />

n<br />

0)<br />

3<br />

0<br />

><br />

-- 1.5<br />

0 .- c<br />

' ~ 1.0<br />

-<br />

3<br />

E<br />

Y<br />

Y<br />

0<br />

b.<br />

Q) Q<br />

c<br />

-I!- 473

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