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Effect of Post-Weld Heat Treatment on the Mechanical Properties of Friction Stir Welds of Dissimilar Aluminum Alloys

By P. Murali Krishna and Dr.N. Ramanaiah


This paper focuses on the effect of post weld heat treatment (PWHT) on microstructure and mechanical properties of dissimilar friction stir welding (FSW) of AA2024-T6 to AA6351-T6. FSW is getting widened to be used to join the aluminum alloys. PWHT of AA2024 and AA6351 aluminum alloys are not reported so far even though these alloys are widely used in aerospace and automobile industries. A post weld solution treatment and subsequent ageing resulted in improvement in mechanical properties (hardness and tensile strength)

Topics: Friction stir welding, Post weld Heat Treatment, Dissimilar Metal Welding, Aluminum alloys, AA2024 and AA6351, LCC:General Works, LCC:A, DOAJ:Multidisciplinary, DOAJ:General Works
Publisher: Engg Journals Publication
Year: 2011
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