Quantitative Analysis of Factors Influencing Heat Dissipation in a Metal-Plastic Composite Heat Radiator with a Hemispherical Microstructure Array

Table 1

Physical parameters of the different materials.

Material	Density (kg/m^3)	Specific heat (J/kg⋅K)	Thermal conductivity; (W/m⋅K)	Types of thermal; conductivity	Melting temperature (K)
Aluminum 6061	2688.9	902	237	Isotropic	855
PPS	1800	1100	20	Isotropic	573
Air	1.205	1006.43	0.02637	Isotropic	—