|
Name of Material |
Coefficient of thermal expansion ×10-6/K |
Heat conduction rate W/
(m·K) |
density g/cm2 |
Tightness of air Pa·cm3/S |
Surface coating |
|
SiCp/Al |
≤7.5-8.5 |
≥200 |
≥2.9 |
≤5×10-3 |
plating Ni 、plating Au |
|
Si50Al50 |
11 |
149 |
2.5 |
≤5×10-3 |
plating Ni 、plating Au |
