Low Temperature Mechanical Properties Of Copper and Selected ...

Tensile Reduction of Area of 80Cu-20Zn (Low Brass)
TEMPERATURE, °F
-460-400 -300 -200 -100 0 i 00 200 300 400 500
90 - 1 ——————— ' ——— ' ——— ' ——————————— ' ——— ' ———
CURVE
NO.
head tpeed ~0.25 inch/minute.
Cu
80. 1
*.
19. 9
COMPOSITION (weight*)
Sn Ai Ni Other
REF.
NO.
263
80
~^
459
Wire sample. Constant load applied while wire was heated
at 36'F/minute until .ample broke.
81. 3
18. 7
45-)
70
[
u
\
A
Q>
ex
S 50
cr
<
Li.
o
§40
<
\
>
t-
O
ID
0
UJ
°= 30
20
10
ft
63jCoId Drown30
\
r
X
100 200 300 400
TEMPERATURE, °K
500
Impact Energy of 80Cu-20Zn (Low Brass)
TEMPERATURE, °F
460-400 -300 -200 -100 0 100 200 300 400 5OO
CURVE
NO.
MATERIAL AND TEST PARAMETERS
Cu
Zn
COMPOSITION (weight%)
Sn At Ni Other
REF.
NO.
54a
Annealed 1292°F - 4 hrs. , bar supplied - 1/2 inch square.
80
20
54
accuracy = ± 2°F.
54b
Chill - cast. Other specifications same as 54a.
80
20
54
308a
Annealed. Charpy keyhole.
80
20
308
308b
Drawn 27%. Charpy keyhole.
80
20
308
457
Assumed type sample - Mesnager: U-notch - 0.079 inch
inch, point data not presented by author.
81.0
18. 3
0. 3Sn, 0. 3Pb,
0. IFe
457
200 300 400
TEMPERATURE, °K
500
69