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Low Temperature Mechanical Properties Of Copper and Selected ...

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Stress-Rupture Behavior of <strong>Copper</strong><br />

CURVE<br />

NO.<br />

Cu<br />

COMPOSITION d<br />

202e<br />

Water quenched. Other specification, .am e as 202c.<br />

Annealed 1562° F, N B atmos. - 1 hr. , furnace cooled.<br />

99. 99<br />

99. 96<br />

o.o to<br />

.'.02<br />

202<br />

202g<br />

supplied - 0.^5 inch diam. Bar sample - 0. 159 inch diam.,<br />

99.<br />

999<br />

202<br />

" 2h<br />

999<br />

202<br />

202m<br />

Same specifications as 202e.<br />

99. 92<br />

202<br />

0. 04O, 0.03Ag<br />

202<br />

.01 O.I .0 10 100<br />

LIFE TO RUPTURE, hours<br />

CURVE<br />

COMPOSITION (weight^)<br />

REF.<br />

NO.<br />

Cu<br />

Zn Sn A< Ni Other<br />

NO.<br />

oxygen-free high-conductivity, bar supplied - 0.25 inch<br />

diam. Bar sample - 0. 159 inch diam. , load constant.<br />

202<br />

202<br />

Same specifications a, 202i.<br />

?9.94<br />

0. OSAg<br />

202<br />

2024.<br />

Same .pecific.tion. as 202,.<br />

99. 94<br />

0. 05Ag<br />

202<br />

247d<br />

0. 116 inch diam.<br />

247<br />

0. 110 inch diam.<br />

Vickers hardness = 52.7, 100T: U.T.S. = 33,200 psi -<br />

Y. S. f 10, 500 psi (0. 1% offset), electrolytic tough pitch,<br />

strip supplied. Strio «ample - 0. 064 inch thick - cut<br />

99. 96<br />

o.oao, o.oiPb,<br />

0 . 0 1 Sn<br />

247<br />

433<br />

441<br />

Le SS .<br />

O.I 1.0 10 100 1000<br />

LIFE TO RUPTURE, hours<br />

49

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