Low Temperature Mechanical Properties Of Copper and Selected ...

Stress-Rupture Behavior of Copper
CURVE
NO
Cu
COMPOSITION (weight%>
Zn Sn At Ni Other
REF.
NO,
80
6O
l+Jtf
"/r^/ 30*
\INEALED
___
100*F:U.T.S ^41,900p»t, Y.S. = 36, 200 p*i (0. 1% olf-
O.OZO, O.OlPb,
0 . 0 1 Sn
4)8
4CX
5-^
•— G
4Jdc
4SSa
455b
0.064 inch thick - cut normal to rolling direction.
Hard - 0.014mm. G. S. , Vicker* hardne.. = 111. 100'F:
U. T. S -- 52. 900 pn. Y.S. -- 4). 900 p Bl (0. 1% off.et).
0.064 inch thick - cut normal to rolling direction.
Annealed 1562'F - Hj atmo*. - 1 hr. - furnace cooled
194'F/hr., bar *jppli«d - 0.25 inch diam. Bar cample -
0. 160 inch diam.
Water q,.nch.d. Other .plication, .am, a. 455a.
99. 9*
0.020. O.OlPb.
O.OlSn
0. 05Ag
0.05Ag
4)8
455
455
0
20
10
8
6
* 4
r>
0
J
C
/4-11 381
in'* n (Y/O
Q-<
"• -^-
\°
-^"«
>— Z!
5ff/
5^ *-ry
/s
=}
^55/ /
7"
^V
1.0
.8
.6
4
.2
ni
*n/« trctL /VS J/ 'Own
ore Test Temp s.
\
0,1 \& 10 100 1000 10000
LIFE TO RUPTURE, hours
STRESS-RUPTURE BEHAVIOR OF COPPER
CURVE
NO.
Cu
COMPOSITION (weight^)
Zn Sn At Ni Other
REF.
NO.
92 b
Hard
92
247a
Wire aample - O. 091 inch diam. Sample* at 22,000 psi -
99. 8
0.2Cd
>47
2476
Strip sample - 0.260 X 0,050 inch thick. Sample at
20.000 pn - 500 hr». did not break.
99.9
0. IMn
247
99.01
0. 9Cr. 0. 09Si
247
0.064 men diam. , (ample* at 47,000 pii - 520 hri. and
42.000 pal - 620 hr*. did not break.
445
Sintered 1904'F - 20 hri.
445
UJ
cr
i.o
0.8
0.6
0.4
0.2
Temperatures shown
ore Test Temp's
O.I 1.0 10 100
LIFE TO RUPTURE, hours
50