Numerical Analysis of Self-Pierce Riveting of AZ31 Magnesium Alloy Sheets
Magnesium alloy sheet has a broad development prospect for lightweight metal in automotive industry.Selfpierce Riveting (SPR) process is a suitable joining technology to fasten materials of different nature.This paper is concerned with the development of numerical models of the SPR process of AZ31 magnesium alloy sheet.Based on DEFORM-2D finite element software,a two-dimensional axisymmetric model has been built for the SPR process.Then the distribution of stress and strain,and the stroke-load curve are analyzed in the forming process of the riveting.After a 2D simulation of SPR process,the quality of riveted joint is evaluated in terms of joint cross-sectional shape.The results show a better understanding of mechanical properties of SPR joints of magnesium alloy sheets.As a sufficient interlock and bottom thickness leading to a reasonably good joint,the numerical simulation method plays a significant role to predict the final strength of the joint.
Magnesium Alloy Sheets Self-pierce Riveting DEFORM-2D Joining
S.L.Han Y.W.Wu Q.L.Zeng Y.Gao
College of Mechanical and Electronic Engineering,Shandong University of Science and Technology,Qingdao 266590,China
国际会议
沈阳
英文
955-961
2013-07-06（万方平台首次上网日期，不代表论文的发表时间）