IX. THERMAL EXPANSIVITY OF SOLIDS
IX. THERMAL EXPANSIVITY OF SOLIDS
IX. THERMAL EXPANSIVITY OF SOLIDS
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
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
Change language