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常用齿轮铸造铜合金的物理性能 |
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|
序号 |
合金牌号 |
密度 /g·cm-3 |
线膨胀系数 /10-6℃-1 |
热导率 /W·m-1·K-1 |
电阻率 /Ω·mm2·m-1 |
弹性模量 /MPa |
|
3 |
ZCuZn25Al6Fe3Mn3 |
8.5 |
19.8 |
49.8 |
|
|
|
4 |
ZCuZn40Pb2 |
8.5 |
20.1 |
83.7 |
0.068 |
|
|
5 |
ZCuZn38Mn2Pb2 |
8.5 |
|
71.2 |
0.118 |
|
|
8 |
ZCuSn5Pb5Zn5 |
8.7 |
19.1 |
102.2 |
0.080 |
89180 |
|
9 |
ZCuSn10P1 |
8.7 |
18.5 |
48.9 |
0.213 |
73892 |
|
10 |
ZCuSn10Zn2 |
8.6 |
18.2 |
55.2 |
0.160 |
89180 |
|
16 |
ZCuAl9Mn2 |
|
20.1 |
71.2 |
0.110 |
|
|
17 |
ZCuAl10Fe3 |
7.5 |
18.1 |
49.4 |
0.124 |
109760 |
|
18 |
ZCuAl10Fe3Mn2 |
7.5 |
16.0 |
58.6 |
0.125 |
98000 |
|
19 |
ZCuAl8Mn13Fe3Ni2 |
7.4 |
16.7 |
41.8 |
0.174 |
124460 |
|
20 |
ZCuAl9Fe4Ni4Mn2 |
7.6 |
15.1 |
75.3 |
0.193 |
124460 |