Low Temperature Mechanical Properties Of Copper and Selected ...

Tensile Reduction of Area of 90Cu-10Ni
TEMPERATURE, °F
-460-400 -300 -200 -100 0 100 200 30O 400 500
100
CURVE
NO.
MATERIAL AMD TCST PARAMETERS
Cu
Zn
COMPOSITION (weight**
Sn A« Ni
Other
REF.
NO.
la
Annealed &77*C -40 minutes - 0.051mm. G.S. - RB = 33.
bar .applied - 3/4 inch diam. Bar sample - reduced
section: 1. 5 inches long X 0. 247 inch diam. . crosshead
speed = 0.02 inch/minute.
Bal
0.1
10.0
1.2Fe
1
145
Annealed 1202 *F - 20 minutes. Bar sample - reduced
section - 2 inches long X 0. 8 inch diam.
«.12
145
187
Welded plate supplied - parent: 92Cu-6Ni-ire; filler
composition given, edge preparation: single U- 1/8 inch
root face - 1/8 inch land - 1/B inch root radius - 20*
bevel - no root gap, plate butt welded * weld deposits
prepared by argon shielded arc - consumable electrode;
D. C. welding current - 350 amps, ; welding speed - 4 to
64.8
33. 5
0. bMn, 0. 5Fe,
0.2Ti. 0.2Si.
0. IMg
187
assume 0. 76 inch between notches - approx. 0. 01 inch
notch radius (KT = fc. 2) - 45* included angle (Tipper notch).
188*
Plate sample - 0. 52 inch thick X 0. 625 inch wide.
89.7 0.2
10.0
0. IFe, 0. IMn
188
18flb
Notched plate sample: 0. 52 inch thick - 0. 79 inch between
notches - approx. 0.01 inch notch radius (KT = 6. 3) - 45*
included angle (Tipper notch).
89.7 0.2
10.0
0. IFe, 0. IMn
188
100 200 3OO 400
TEMPERATURE, °K
Tensile Stress-Strain Curves of 90Cu-10Ni
CURVE
Cu
Zn
COMPOSITION (weight*)
Sn A* Ni
Other
REF
NO.
150
U Annealed 677'C - 40 minutes - 0.051mm. G. S. - RB = 33, bar (applied - 3/4 inch diam. Bar cample - reduced section:
1. 5 inches long X 0. 247 inch reduced diam. . crosshead
•peed - 0.02 inch/minute, clamp-on (train gage extensometer
- 1 inch G. L. . data spread = ± 5%.
Bal
0. 1
10.0
1.2Fe.
1
0 0.06 012 0.18 0.24 O.3O 0.36 0.42 O48 Q54 Q60
STRAIN, inches per inch
97