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