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[1]卢霞,喻九阳,王仕仙,等.真空电阻凸焊温度场有限元分析[J].武汉工程大学学报,2009,(05):72-75.
　LU Xia,YU Jiu yang,WANG Shi xian,et al.Analysis of thermal field distribution of vacuum projection welding using finite element procedures[J].Journal of Wuhan Institute of Technology,2009,(05):72-75.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2009年05期
页码:
72-75
栏目:
机电与信息工程
出版日期:
2009-05-28

文章信息/Info

Title:
Analysis of thermal field distribution of vacuum projection welding using finite element procedures
文章编号:
16742869(2009)05007204
作者:
卢霞; 喻九阳; 王仕仙; 王成刚
武汉工程大学机电工程学院，湖北 武汉 430074
Author(s):
LU Xia; YU Jiuyang; WANG Shixian; WANG Chenggang
School of Mechanical & Electrical Engineering， Wuhan Institute of Technology， Wuhan 430074，China
关键词:
凸焊; 有限元法; 瞬态分析; 电热耦合;  接触分析
Keywords:
projection welding; finite element method; transient analysis; thermalelectric couple field; contact analysis
分类号:
TG453+.9
DOI:
-
文献标志码:
A
摘要:
凸焊过程中凸焊筋的温度分布直接影响凸焊筋的压溃过程，从而影响最终的焊接质量.基于ANSYS 有限元分析软件，建立了用于真空电阻凸焊瞬态热过程分析的电热耦合有限元模型，分析了真空电阻凸焊的热电耦合过程，得到了焊接过程的热历程以及焊件各部位的温度分布，分析中考虑了随温度变化的材料特性参数、相变问题等.在此基础上分析了不同凸焊筋距离的双凸焊筋结构的温度场分布，得出凸焊筋距离对温度场分布的影响，为MEMS元件凸焊封装外壳的优化设计提供理论依据.
Abstract:
In projection welding process the temperature distribution of the projection welding tendons directly influence the projection tendon collapse process and there for influence the final welding quality of the worksheet. In this paper the author created a 2D Finite element projection welding thermalelectric model according to the vacuum projection welding. By analysis of couple field of vacuum projecting welding， the temperature distribution and thermal history of the components was obtained. In the analysis， temperaturerelated depend material property and phase change had been taken into account. Based on this analyze， we also analyze different distance of two projection welding tendons， and we concluded the that tendon distance on temperature distribute had influence. This result laid sound foundation for MEMS components package shell optimal design.

参考文献/References:

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［6］侯志刚，王元勋，李春植，陈传尧.点焊瞬态热过程的有限元分析［J］.固体力学学报，2005，26（1）： 97-101.
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［10］舒安庆，王韦华，吴开斌，等.螺旋焊与对接焊的有限元模拟［J］.武汉工程大学学报.2008，30（1）：98-100.

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备注/Memo

备注/Memo:
收稿日期：20081023
作者简介：卢霞（1981），女，湖北咸宁人，硕士研究生.研究方向：新型高效化工设备的开发.
指导老师：喻九阳，教授，硕士，硕士研究生指导老师.研究方向：新型高效化工设备的开发.
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