IX. THERMAL EXPANSIVITY OF SOLIDS
IX. THERMAL EXPANSIVITY OF SOLIDS
IX. THERMAL EXPANSIVITY OF SOLIDS
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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 '