Low Temperature Mechanical Properties Of Copper and Selected ...
Low Temperature Mechanical Properties Of Copper and Selected ...
Low Temperature Mechanical Properties Of Copper and Selected ...
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Tensile Stress-Strain Curves of 70Cu-30Zn (Cartridge Brass)<br />
CURVE<br />
NO.<br />
MATERIAL AND TEST PARAMETERS<br />
Cu<br />
Zn<br />
COMPOSITION (weight**<br />
Sn At Ni Other<br />
REF.<br />
NO.<br />
180x10'<br />
326<br />
3/4 hard - ASTM G. S. * = 8.5 - RB = 88, bar supplied - 3/4<br />
inch diam. Bar sample - reduced section 1-1/4 inch long X<br />
0. 177 inch reduced diam. , crosshead ipeed = 0.02 inch/<br />
minute, clamp-on strain gage extensometer - 1 inch G. L.<br />
70.3 29.6<br />
328<br />
0.08 0.16 0.24 0.32 0.4O<br />
STRAIN, inches per inch<br />
Impact Energy of 70Cu-30Zn (Cartridge Brass)<br />
CURVE<br />
NO,<br />
MATERIAL AND T-EST PARAMETERS<br />
Cu<br />
Zn<br />
COMPOSITION (weight%)<br />
Sn At Ni Other<br />
REF.<br />
NO.<br />
TEMPERATURE, °F<br />
-460-4OO -300 -200 -100 0 100 2OO 300 400 500<br />
180<br />
16<br />
S<strong>and</strong> cast - 2 to 4mm G.S. Sample - 5/16 inch diam. -<br />
notched - simple beam, no fracture - all tempi.<br />
72.0 Z8.0<br />
16<br />
54a<br />
Annealed IZ92*F - 4 hrs. , bar iupplied - 1/2 inch square.<br />
Isod. iamplei did not fracture completely: bent 65',<br />
70<br />
30<br />
54<br />
54b<br />
75<br />
282<br />
308a<br />
308b<br />
328<br />
Chill - cast. Other specification* same ai 54a.<br />
Annealed - after rolling, bar supplied - 1 inch diam. Izod.<br />
X 3. 94 inches.<br />
Annealed. Charpy keyhole.<br />
Drawn 27%. Charpy keyhole.<br />
3/4 h»rd-ASTM G. S.# = a.5 - RB = 88, bar supplied - 3/4<br />
inch diam. Charpy V notch, samples completely fractured.<br />
70<br />
&9. 5 JO. 5<br />
ro<br />
ro<br />
30<br />
JO<br />
JO<br />
70.3 i9. 6<br />
54<br />
75<br />
282<br />
308<br />
308<br />
328<br />
365a<br />
Annealed 1202 T - Brinell hardness = 62. Sample ASTM<br />
st<strong>and</strong>ard Charpy V except for length: 2. 36 inches, tested<br />
longitudinally, 75 to 212* F - tested in water; 212 to 482'F -<br />
tested in oil bath.<br />
JO.O<br />
JO. 0<br />
365<br />
365b<br />
365c<br />
Cold rolled. Tested longitudinally. Other specification*<br />
same as 365a.<br />
Cold rolled. Tested transversely. Other specifications<br />
same as 365*.<br />
70.0<br />
70.0<br />
JO.O<br />
JO.O<br />
365<br />
365<br />
Other specification* same at 365a.<br />
365<br />
365e<br />
365f<br />
365g<br />
457<br />
Annealed. Other specifications same as 365a.<br />
Annealed. Other specifications same as 365a.<br />
Annealed. Other specifications same as 365a.<br />
Assumed type sample - Mesnager: U -notch - 0.079 inch<br />
deep X 0.079 inch wide; cross section - 0. 394 X 0.394<br />
inch, point data not presented by author.<br />
70. 1<br />
&9. 4<br />
f.9,2<br />
70.3<br />
29.8<br />
JO. 4<br />
SO. 3<br />
'.6. 3<br />
O.lFe. 0. IPb<br />
O.SPb<br />
365<br />
365<br />
365<br />
457<br />
100 200 300 400<br />
TEMPERATURE, °K<br />
500<br />
77
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