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Author:

秦飞 (秦飞.) (Scholars:秦飞) | 刘程艳 (刘程艳.) | 王卓茹 (王卓茹.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用界面力学理论计算了不同形状的含铅/无铅焊锡接点界面应力奇异性指数,建立了焊锡接点的有限元模型,计算了线弹性、弹塑性和Johnson-cook材料模型的界面应力分布.结果表明:随着焊锡接点接触角的增加,界面应力奇异性增强;Sn37Pb/Cu界面比Sn3.5Ag/Cu和Sn3.0Ag0.5Cu/Cu界面的应力奇异性明显;弹塑性变形和应变率效应降低界面应力.

Keyword:

焊锡接点 电子封装 有限元 界面应力奇异性

Author Community:

  • [ 1 ] [秦飞]北京工业大学
  • [ 2 ] [刘程艳]北京工业大学
  • [ 3 ] [王卓茹]北京工业大学

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Source :

北京工业大学学报

ISSN: 0254-0037

Year: 2012

Issue: 5

Volume: 38

Page: 652-657

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 2

Chinese Cited Count:

30 Days PV: 11

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