Low Temperature Mechanical Properties Of Copper and Selected ...

Fatigue Behavior of Cu-Sn (Phosphor Bronze)
CURVE
NO.
MATERIAL AND TEST PARAMETERS
Cu
Zn
COMPOSITION (weight%)
Sn
At Ni Other
REF
NO.
8OxfO:
124*
Annealed 5Z7'F - 1/2 hr. - air cooled, room temp.: U, T. S. =
61,800 psi - Y.S. = 57, 100 p.i (0. 1% offset)- Brinell
hardness = 138, grade A. Bar sample . 0.275 inch diam. ,
rotating beam - 2200 r.p.m. , R = -1, tested in air.
Bal
3.5
5."0
0.1 - 0 . 4P
124
124b
Toted in distilled water of 3% salt. Other specifications
•ame a* 124a.
124
126*
Reduced 60.5%, room temp.: U. T. S. = 115,300 pei, grade
C. Sheet sample - 0.020 inch thick, tested in rolling
direction, flexure cantilever - 750c.p.m., R = -1.
91.0 0.2
8.0
0.2P
126
126b
B 0
126
126c
Cleaned and plated with 20mgm /inch 2 chromium Other
specifications .ame ai 126a.
91. 0
0.2
8. 0
126
126d
"Microscopic polish. " Other specifications same as 126a
91. 0
0. 2
8 0
126
specifications same as 126a.
91. 0 0.2
80
0. 2P
126
-
8. 0
126
126h
Polished - bubbed and plated with lOmgm/inch 2 chromium.
Other specifications same as 126*.
91.0
0.2
8.0
126
I26i
Annealed, room temp : U T S. = 51,800 psi Other
specifications same as 126a.
92.0
0.2
7. 7
126
126J
specifications same as 126*.
7. 7
126
126k
126
U6t
Annealed, grade A. Other specifications same as 126a.
95.8
0. 1
3 9
126
U6m
Reduced 37. 1%, room temp. : U. T S. =78, 800 psi
Other specifications same as 1261.
126
126n
126o
Reduced 60. 5%, room temp. : U. T S. = 90, 200 psi
Annealed, room temp : U. T S. = 59, 700 psi. Other
specifications same as 126a.
95.8
91. 8
0. 1
39
8.1
126
126
10 10 10" 10'
FATIGUE LIFE, cycles
126p
Reduced 37. 1%, room temp. : U. T. S. = 95, 500 psi.
Other specifications same as 126a.
91. 8
8. 1
126
I26q
Reduced 68. 7%, room temp. : U. T. S. -- 124, 800 psi
Other specifications same as 12 ba .
91. 8
8.1
126
CURVE
NO.
MATERIAL AND TEST PARAMETERS
Cu
Zn
COMPOSITION (weight*)
Sn At Ni Other
REF
NO.
80 x 10-
211b
C Id d U T S 62 O
specifications same a, 21 la.
211
Alternating torsion -2140c.p.m., R = -1, data spread: ±7%,
0. IP
21 1
229b
Drawn 56%, room temp.: U. T. S. = 85, 100 psi, grade A, bar
supplied - 3/4 inch diam. Rotating beam (Farmer) - 1500
r.p.m., R = - 1 , data spread =- ± 14%.
94.9
4. 9
229
264a
Reduced 50%, room temp.:U.T.S. = 97,900 psi, grade A.
Sheet sample - 0.025 inch thick - polished with 00 emery,
95. 1
4. 7
264
R = -1
£64b
same as 264a.
0. IP
264
264c
Room temp.: U. T.S. = 104, 200 psi. Other specifications
same as 264a.
92.0
0. 5
7, 4
264
314b
Rolled 37. 1%, room temp.: U. T. S. = 95, 500 psi - RB = 71,
grade C. Sheet sample - 0.019 inch thick - cut parallel to
rolling direction, rotating cantilever - 1500r.p.m. , R = -1.
91. 8
8. 1
314
314c
Rolled 68. 7%, room temp. : U. T. S. = 124, 800 psi - R fi - 84,
Other specifications same as 314b.
91. 8
8. 1
314
456c
Annealed 1200T - 1 hr. - air cooled, room temp. : U. T.S. =
94. 6
5. 4
0. IP, 0. IFe
456
456d
Annealed 400' F- 4 hrs. - oU cooled, room temp.: 81,000
psi - Y. S. = 43, 300 psi - Brinell hardness = 121, grade C.
Other specifications same as 456c.
91. 7
8.2
0. IP, 0. IFe
456
456e
same as 456d.
91. 7
8. 2
0. IP, 0. IFe
456
456f
U. T. S. = 55, 400 psi - Y. S. = 19, 800 psi - Brinell hardness =
91. 7
8.2
0. IP, 0. IFe
456
456g
same as 456f.
8.2
0. IP, 0. IFe
456
456h
Annealed 400* F- 3 hr*. - furnace cooled, room temp.:
U. T. S. = 86, 700 psi - Y. S. - 46, 500 psi - Brinell hardness =
89.4
10. 5
0. IP, 0. IFe
456
10 10 10 10
FATIGUE LIFE, cycles
125