Home Kovove Materialy-Metallic Materials 2013 Metallic Materials Vol. 51 (2013), no. 3, pp.197-203

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Metallic Materials Vol. 51 (2013), no. 3, pp.197-203

Title: Comparison between microstructure characteristics and joint performance of AZ31 magnesium alloy welded by TIG and friction stir welding (FSW) processes
Author: A. SIK

Abstract: This study aims at researching mechanical properties of TIG welding which has been used for magnesium welding and friction stir welding which is a new method for magnesium welding. It particularly focuses on analysing bending fatigue test among other mechanical properties. Joints made through TIG and FSW welding for magnesium applications in automotive and aeronautical - astronautical industries are exposed to various mechanical stress and in particular to dynamic loads when vehicles are in motion. Fractures have been observed in such welding areas due to such dynamic loads. This analysis mainly concentrates on the differences between these two welding methods TIG welding and FSW and on determining the method with superior advantages due to the fact that TIG welding has been intensely used for magnesium welding and friction stir welding is a new application in terms of magnesium welding.

Keywords: Magnesium (Mg) alloy, friction stir welding, TIG welding, bending fatigue strength
Published online: 20-Sep-2017
Year: 2013, Volume: 51, Issue: 3 Page From: 197, Page To: 203
doi:10.4149/km_2013_3_197


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