弹簧用铜合金的物理性能
组 别
|
牌 号
|
密 度
ρ/g·cm-3
|
线胀系数
a/(106K)-1
|
热 导 率
λ/(10-6W·m-1·K-1)
|
电 阻 率
ρ/(10-9Ω·m)
|
弹性模量
E/MPa
|
切变模量
G/MPa
|
硅青铜
|
QSi3-1
|
8.47
|
15.8
|
1.1
|
150
|
93 163
|
40 207
|
锡青铜
|
QSn4-3
|
8.80
|
18.0
|
2.0
|
87
|
93 163
|
39 227
|
QSn4-0.3
|
8.90
|
17.6
|
2.0
|
91
|
|||
QSn6.5-0.1
|
8.80
|
17.2
|
1.4
|
128
|
|||
QSn6.5-0.4
|
8.80
|
17.1
|
1.5~2.0
|
176
|
93 163
|
39 227
|
|
QSn7-0.2
|
8.80
|
17.5
|
1.2
|
—
|
|||
铝青铜
|
QAl5
|
8.2
|
18.0
|
2.5
|
100
|
103 000
|
41 100
|
QAl7
|
7.8
|
17.8
|
1.9
|
110
|
|||
QAl9-2
|
7.6
|
17.0
|
1.7
|
110
|
|||
QAl9-4
|
7.5
|
16.2
|
1.4
|
120
|
|||
铍青铜
|
QBe2
|
8.23
|
16.6
|
2.0~2.5
|
—
|
129 448
|
42 169
|
白铜
|
BMn40-1.5
|
—
|
—
|
—
|
—
|
—
|
—
|
BMn3-12
|
—
|
—
|
—
|
—
|
—
|
—
|
|
BZn15-20
|
8.60
|
16.6
|
0.60~0.85
|
260
|
123 564
|
39 227
|
|
BAl6-1.5
|
8.70
|
—
|
—
|
—
|
—
|
—
|
|
BAl13-3
|
—
|
—
|
—
|
—
|
—
|
—
|
|
B19
|
8.90
|
16.0
|
0.92
|
287
|
137 293
|
39 227
|