颗粒尺寸对金刚石<strong>/Al</strong>封装基板热物性的影响

颗粒尺寸对金刚石/Al封装基板热物性的影响

周洪宇, 冉珉瑞, 李亚强, 张卫冬, 刘俊友, 郑文跃

Effect of Diamond Particle Size on the Thermal Properties of Diamond/Al Composites for Packaging Substrate

ZHOU Hongyu, RAN Minrui, LI Yaqiang, ZHANG Weidong, LIU Junyou, ZHENG Wenyue

表3 原材料物理参数^[38]

Table 3 Physical parameters of raw materials^[38]

Material	Phonon velocity		C_D	η $_{1 - 2}$	h_c	$c_{p}$
	C_l / (m·s^-1)	C_t / (m·s^-1)	m·s^-1		W·m^-2·K^-1	J·g^-1·K^-1
Al	6240	3040	3865	0.019	4.43 × 10⁷	0.895
Diamond	20000	12300	14817			0.500