钻石
热导率
材料科学
复合数
复合材料
粒子(生态学)
碳化物
粒径
金刚石材料性能
化学工程
海洋学
工程类
地质学
作者
Jinpeng Hao,Yongjian Zhang,Ning Li,Jingjie Dai,Xitao Wang,Hailong Zhang
标识
DOI:10.1016/j.diamond.2023.110213
摘要
Diamond has a superior thermal conductivity, but the diamond particles reinforced Cu matrix composites exhibit thermal conductivities far from expected. Here an ultrahigh thermal conductivity of 1050 W/mK is realized in a Cu/diamond composite via a discrete in situ carbide interlayer and a bimodal diamond particle strategy. The high thermal conductivity stems from a synergetic effect of high interfacial thermal conductance, large diamond particle size, high diamond content, and high relative density in the composite, which are obtained simultaneously. The study highlights the fundamental role of synergetic effect in attaining high thermal conductivity in Cu/diamond composites. This methodology also provides guideline for preparing other diamond particles reinforced composites for thermal management applications.
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