|
纯金属的导电特性 |
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|
特性
名称 |
电阻率 [(Ω·mm2) /m](20℃) |
电导率 (%IACS) (20℃) |
电阻温 度系数 (10-3/℃) (20℃) |
密度 (g/cm3) (20℃) |
比热[J/ (kg·K)] |
熔点 (℃) |
热膨胀系 数(10-6/ ℃)(20℃) |
热导率 [W/ (m·K)] |
熔化潜热 (×104J/ kg) |
弹性 模数 (×104MPa) |
抗拉 强度 (MPa) |
硬度 (HB) |
热电 动势 (mV) |
|
Ag |
0.0162 |
106 |
3.80 |
10.5 |
234.5 |
960.5 |
18.9 |
418.7 |
10.47 |
7.85 |
147 |
30 |
+0.75 |
|
Cu |
0.0172 |
100 |
3.93 |
8.9 |
385.2 |
1083 |
16.6 |
386.4 |
21.19 |
11.77 |
196 |
30 |
+0.75 |
|
Au |
0.0240 |
71.6 |
3.40 |
19.3 |
134 |
1063 |
14.2 |
296.4 |
6.74 |
7.85 |
98 |
25 |
+0.70 |
|
Al |
0.0282 |
61.0 |
3.90 |
2.7 |
921 |
660 |
23.0 |
222 |
39.36 |
7.16 |
78 |
15～26 |
+0.38 |
|
Na |
0.0460 |
37.4 |
5.40 |
0.97 |
121 |
97.8 |
71 |
134 |
11.51 |
— |
— |
— |
— |
|
W |
0.0548 |
31.4 |
4.50 |
19.3 |
134 |
3370 |
4.0 |
159.9 |
18.42 |
32.5 |
1079 |
255 |
+0.79 |
|
Mo |
0.0558 |
30.8 |
4.70 |
10.2 |
255.4 |
2600 |
5.1 |
144.9 |
29.31 |
31.4 |
882 |
147 |
+0.31 |
|
Zn |
0.0610 |
28.2 |
3.70 |
7.14 |
397.7 |
419.4 |
33 |
112.6 |
10.09 |
7.85 |
147 |
20～60 |
+0.77 |
|
Ni |
0.0690 |
24.9 |
6.00 |
8.9 |
456.4 |
1452 |
12.8 |
87.92 |
30.98 |
19.61 |
392 |
80 |
-1.43 |
|
Cd |
0.0750 |
22.9 |
3.80 |
8.65 |
217.7 |
321 |
29.8 |
92.11 |
5.53 |
5.5 |
59 |
— |
+0.92 |
|
Fe |
0.100 |
17.2 |
5.00 |
7.86 |
477.3 |
1535 |
11.7 |
61.55 |
27.21 |
19.61 |
245 |
60 |
+1.91 |
|
Pt |
0.105 |
16.4 |
3.00 |
21.45 |
134 |
1755 |
8.9 |
71.18 |
11.30 |
14.71 |
147 |
50 |
0 |
|
Sn |
0.114 |
15.1 |
4.20 |
7.35 |
234.5 |
232 |
20 |
64.48 |
6.07 |
5.39 |
24.5 |
12 |
+0.45 |
|
Pb |
0.219 |
7.9 |
3.90 |
11.37 |
129.8 |
327.5 |
29.1 |
35.09 |
2.64 |
1.8 |
15.7 |
3.5 |
+0.44 |
|
Hg |
0.958 |
1.8 |
0.89 |
13.55 |
837.4 |
-38.9 |
181.9(体) |
8.37 |
1.13 |
— |
— |
— |
— |
|
Bi |
1.20 |
1.4 |
4.00 |
9.8 |
123.5 |
271 |
13.3 |
7.95 |
5.23 |
31.8 |
— |
7.0 |
— |