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Phase composition, microstructure and thermal diffusivity of Cu/Si composites sintering temperature dependence

  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Cu/Si composites may become novel high-performance electronic packaging materials owing to combining the advantages of copper and silicon components. Here, we prepared Cu/Si composites by being sintered below and above eutectic temperature 802 °C, respectively, and found that sintering temperature notably affects their composition, microstructure and thermal diffusivity. The composites sintered at 780 °C are composed of copper and silicon, exhibiting dispersed silicon particles and continuous copper matrix, but those sintered at 820 °C primarily contain Cu3Si compounds, and a porous microstructure is observed. The thermal diffusivity of the former is over 21 times higher than that of the latter.

源语言英语
主期刊名Structural Integrity and Failure, SIF 2010
200-203
页数4
DOI
出版状态已出版 - 2011
活动International Conference on Structural Integrity and Failure, SIF2010 - Auckland, 新西兰
期限: 4 7月 20107 7月 2010

出版系列

姓名Advanced Materials Research
275
ISSN(印刷版)1022-6680

会议

会议International Conference on Structural Integrity and Failure, SIF2010
国家/地区新西兰
Auckland
时期4/07/107/07/10

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