Liquid Penetration Induced Cracking in Mg-Alloy Spot Welds

M. Yamamoto; A. Gerlich; T.H. North; K. Shinozaki

doi:10.4028/www.scientific.net/MSF.580-582.409

Paper Titles

Hybrid Friction Stir Welding of Carbon Steel
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Remote Resistance Welding of Zr-4 Endplate for DUPIC Fuel Fabrication
p.397

Numerical Study on the Effectiveness of Fixture and Pre-Strain for Reduction of Welding Distortion
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Linear Friction Welding of Ti-6Al-4V Alloy: Microstructure Characterization
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Liquid Penetration Induced Cracking in Mg-Alloy Spot Welds
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The Failure Strength Evaluation on Resistance Welding Mixed Adhesive Bonding
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Residual Stress Relief and Redistribution of Welded Metals by Vibratory Stress Relaxation
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A Comparative Evaluation of Friction-Welded and Brazed Ti and AISI 321 Stainless Steel Joints
p.423

Real-Time Detection and Control of Torch-Height in Waveform Controlled Short-Circuit CO₂ Arc Welding
p.427

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Liquid Penetration Induced Cracking in Mg-Alloy Spot Welds

Abstract:

Liquid Penetration Induced (LPI) cracking during AZ91, AZ31 and AM60 friction stir spot welding is investigated. The temperature cycles, within the stir zone and in the TMAZ region, are examined. The mechanism and the key factors determining LPI cracking in Mg-alloy friction stir spot welds are delineated.