Effect of sintering temperature on the microstructure and thermal conductivity of Al/diamond composites prepared by spark plasma sintering

被引：0
作者：
Ke Chu
机构：
来源：
International Journal of Minerals Metallurgy and Materials | 2010年 / 17卷 / 02期
基金：
中国国家自然科学基金;
关键词：
metal matrix composites; thermal properties; spark plasma; sintering; interface;
D O I：
暂无
中图分类号：
TF046.4 [];
学科分类号：
080601 ;
摘要：
Spark plasma sintering was used to fabricate Al/diamond composites.The effect of sintering temperature on the microstructure and thermal conductivity(TC) of the composites was investigated with the combination of experimental results and theoretical analysis.The composite sintered at 550℃shows high relative density and strong interfacial bonding,whereas the composites sintered at lower(520CC) and higher(580-600℃) temperatures indicate no interfacial bonding and poor interfacial bonding,respectively.High relative density and strong interfacial bonding can maximize the thermal conductivity of Al/diamond composites,and taking both effects of particle shape and inhomogeneous interfacial thermal conductance into consideration can give a fairly good prediction of composites’ thermal conduction properties.
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收藏
页码：234 / 240
页数：7
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