Low Temperature Mechanical Properties Of Copper and Selected ...

Creep Behavior of 60Cu-39Zn-lSn (Naval Brass)
CURVE
NO.
Cu
Zn
COMPOSITION (weight*)
Sn
At Ni Other
REF.
NO.
9a
Annealed 1500'F - Brinell hardness - 96, bar supplied -
59.9 39.2
0.8
9
60a
Annealed 1000 'F. room temp.: U.T.S, = 64, 500 p»i -
Y.S. = 31, 500 (0. 5% strain). Bar sample - 1/8 inch diam.
10 inch G. L.
59.9
39.4 0. 7
60
Y.S. = 30, 500 psi (0. 5% strain). Bar sample - 1/8 inch
diam. , 10 inch C. L.
0. 7
61
316*
Annealed 1000 'F. Bar sample - 0. 125 inch diam. , 300* F: 60.0 39.4 D.6
400'F: second stage; 500'F: second stage except for
1.300 psi: third stage.
316
420a
Annealed - 0.025mm. C.S. . bar supplied - 0. 75 inch diam. 58.8
40.4 0.8
420
420b
Annealed - 0.045mm. C.S. , bar supplied - 0. 75 inch diam. 60. 1
38.7 0.8
420
icr 8 icr 7 I0' 6 io* 9 to-1
CREEP RATE, inches per inch per hour
CURVE
Cu
Zn
COMPOSITION (weight?.)
Sn
At Ni Other
REF.
NO.
fcOb
61b
7U
71b
3l6b
Drawn 37%, room temp. : U. T. S. - 95, 000 p*i - Y. S. =
66,000 psi (0. 5% strain). Bar sample - 1/8 inch diam. ,
10 inch G. L,.
Drawn 37%, room temp. : U.T.S. = 95, 000 psi - Y . S. =
66,000 psi (0. 5% strain). Bar sample - 1/8 inch diam. ,
10 inch G L.
Hot rolled - 0.020mm. G. S. , bar supplied - 3/4 inch diam. 60.2 39.7 0. 2
Hot rolled - 0.025mm. G. S. , bar supplied - 3/4 inch diam. 58.8 40. 3 0. 9
Hot rolled - 0.045mm. C.S. . bar supplied - 3/4 inch diam. 60. 1 38. 7 0. 8
Drawn 377,. Bar sample - 0. 125 inch diam. Second stage
creep.
59. 9 39.4 0. 7
59. 9 39.4 0. 7
60.0 39. 4 0, 6
60
61
71
71
71
316
IO' 9 I0' a IO' 7 IO' 6 10' 5
CREEP RATE, inches per inch per hour
89