橡胶技术网

弹性体
CHINA ELASTOMERICS
2009 Vol.19 No.4 P.17-20

橡胶技术网

台阶搭接铝合金接头应力分布的数值分析

晏嘉陵  游敏  郑小玲  何爱萍  朱定锋 

摘 要:用弹塑性有限元法研究了被粘物上台阶高度和长度对铝合金单搭接接头胶层中应力分布的影响.结果表明,被粘物自由端内侧的台阶使搭接区接头端部处的应力峰值显著下降,应力向搭接区中部转移;胶层中应力峰值大体上随着台阶高度的增大而降低,随台阶长度的增大而向中部转移;当台阶高度为0.5 mm而台阶长度为4.5 mm时,接头上胶层中应力分布较好.
关键词:铝合金;单搭接接头;内台阶;应力分布;有限元法
分类号:TG49  文献标识码:A

文章编号:1005-3174(2009)04-0017-04

Numerical study of bonded aluminium single lap joints with an inner step on the adherends

YAN Jia-ling  YOU Min  ZHENG Xiao-ling  HE Ai-ping  ZHU Ding-feng 

基金项目:湖北省教育厅科研计划重大项目.
作者简介:晏嘉陵(1984-),男,湖北黄冈人,在读硕士研究生,主要从事连接接头力学模拟方面的研究工作.
作者单位:晏嘉陵(三峡大学机械与材料学院,湖北,宜昌,443002) 
     游敏(三峡大学机械与材料学院,湖北,宜昌,443002) 
     郑小玲(三峡大学机械与材料学院,湖北,宜昌,443002) 
     何爱萍(三峡大学机械与材料学院,湖北,宜昌,443002) 
     朱定锋(三峡大学机械与材料学院,湖北,宜昌,443002) 

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收稿日期:2009年2月9日

出版日期:2009年8月31日

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