High volume fraction SiCp/Al composite is a perfect electronic packaging materials because of its excellent thermal-physical properties, lower density and adjustable CTE.
Thermal-physical properties
Properties of SiCp/Al composites
Thermal conductivity (w/mk)
170~200
Density(g/cm3)
2.8~3.1
Thermal coefficient of expansion(×10-6K-1)
6.9~9.7
Bending strength(MPa)
300~400
tensile strength (MPa)
≥200
Modulus(GPa)
≥200
gas tightness
≤1×10-3Pacm3/s
Specifications
The main products including: raw material or parts of SiCp/Al serials, Cu/Diamond serials, used for electronic packing baseplate, heat sink and so on. The thermal conductivity and thermal coefficient of expansion can be adjusted according to difference demand.