Low Temperature Mechanical Properties Of Copper and Selected ...

Impact Energy of Cu-Si (Silicon Bronze)
TEMPERATURE, °F
-46C >-4OO -3OO -2OO -1C0 0 100 200 300 400 50(
160
CURVE
NO
1
226
Annealed (*oft) - 0.025mm. G. £. - R B = 54. Ch»rp> V-
notch, samples fractured only 5%.
Hard - R B = 91. Charpy V-notch.
Cu
Bal
Bal
COMPOSITION (weight%)
Zn Sn At Ni Other
2.9Si, 0. 9Mn
0. IFe
3Si. IMn
REF
NO.
1
226
150
140
130
295
Room temp. : U. T. S. •- 62,400 psi - Y.S. - 29.900 psi
Bal
3.0Si. 0. 2Fe.
l.OMn
295
120
1 10
0-*. *-o— — ».
^lu
-*Z
A RIM alttf
—— 0
100
90
£80
70
60
5O
^
S
^
\a
S*
fj Ha r
s^
a
95J/^"-^
*"^O
40
30
20
10
IOO 2OO 3OO 400
TEMPERATURE, °K
500
Fatigue Behavior of Cu-Si (Silicon Bronze)
CURVE
NO.
Cu
Zn
COMPOSITION
Sn At Ni
weight%)
Other
REF.
NO.
80x10'
lOa
temp. : U. T. . » 107, 100 psi - Y. S. =17, 300 psi (0,2%
offset), bar upplied - 1/2 inch diam. Bar .ample -
0.313 inch d m. -polished, rotating beam (R. R. Moore
type). 3500 p.m.
3.2Si, 0.9Mn.
0. IFe
in
lOb
lOc
Hard drawn 9% - R B = 97 - after 0. 1 10mm. G. S. . room
temp. : U. T. . = 95, 300 psi - Y. S. = 20, 100 p.i (0. 2%
offset). Oth T specificationi tame as 10*.
H 9%
temp. : U. T. . =- 93. 500 psi - Y. S. = 18, 700 pii (0. 2%
offset). Oth r • pacifications came as 10».
95.6 0. 2
3.2Si, 0. 9Mn,
0. 2Fe
3.2Si. 0.9Mn.
0. IFe
10
10
1U
Hard, room emp. : U. T. S. = 97, 100 psi - Y.S. = 80,000
psi (0.2% of et) - R B - 101, bar • upplied - 1/2 inch diam.
Bar sample - 0. 3 inch diam. . rotating beam (R. R. Moore
type) - 3500 r. p. m.
95. 5
3. 2Si, 0. 2Fe,
1. IMn
1 1
lib
lie
lid
1/2 hard, room temp. : U. T. S. - 74, 900 p«i , R B = 89.
Other specifications same as lla.
1/4 hard,, room temp. : U. T. S. - 66. 600 psi - RQ = 84.
Other specifications same a* lla.
Annealed (soft), room temp. : U. T. S. = 59. 500 psi -
Y.S. = 14. 500 psi (0.2% offset). Other specifications
same as 1 la.
96. 1
96. 1
95. 5
2.9Si, 0.2Fe,
l.OMn
2. 95i, 0. 2Fe,
l.OMn
3. 2Si, 0. 2Fe,
1. IMn
11
11
11
IO* IOT 10*
FATIGUE LIFE, cycles
I0»
116