Progress in Decreasing the Thermal Interfacial Resistance Between Fillers for Thermally Conductive Composites
The low efficiency of thermal conductivity enhancement of composites is due to the existence of interfacial thermal resistance:the interface thermal resistance between fillers and resin matrix,and the interface thermal resistance between fillers.Most of the existing studies were focused on decreasing the thermal interfacial resistance between fillers and resin matrix.While the interfacial thermal resistance between fillers is the key factor to determine the thermal conductivity of composites.This paper discussed the recent research results of reducing the interface thermal resistance between fillers from two aspects of increasing the contact area and improving the bond strength between fillers.This review offered some guidance for the design and fabrication of highly thermally conductive composites.
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