Effect of Forging Force on Fatigue Behavior of Spot Welded Joints of Aluminum Alloy 5182-Reference-Cited by-同舟云学术

Effect of Forging Force on Fatigue Behavior of Spot Welded Joints of Aluminum Alloy 5182

Published:2006-07-03 Issue:1 Volume:129 Page:95-100
ISSN:1087-1357
Container-title:Journal of Manufacturing Science and Engineering
language:en
Short-container-title:

Author:

Chang B. H.¹,Du D.¹,Sui B.¹,Zhou Y.²,Wang Z.³,Heidarzadeh F.³

Affiliation:

1. Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China and Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, P. R. China

2. Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada

3. Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario, M5S 1A4, Canada

Abstract

Using experimental and finite element analysis methods, the effects of electrode forging force are investigated on fatigue behavior and residual stress of spot welded joints of aluminum alloy 5182. Results show that applying forging force significantly reduces the residual stresses in the heat affected zone and the fatigue cracks no longer initiate from there; instead, all cracks begin from the nugget edge. In addition, the mitigation of residual stress by forging force decreases the driving force for crack propagation and leads to longer fatigue life. It can be concluded that applying forging force appropriately has a positive effect on the fatigue strength of resistance spot welded joints.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/manufacturingscience/article-pdf/129/1/95/5675809/95_1.pdf

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