Hiba Azzeddine, Thierry Baudin, François Brisset, Sandrine Bozzi
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Revealing Deformation Heterogeneity of an Aluminum Alloy During Friction Stir Spot Welding: An EBSD Investigation
Large electron backscatter diffraction area maps were used in the present work to characterize the microstructure and texture near the horizontal and vertical keyhole peripheries of the AA5182 alloy after friction stir spot welding. The findings demonstrate that the horizontal keyhole peripheric comprises a stirred zone (SZ) and a thermo-mechanically affected zone (TMAZ). The SZ started 300 µm away from the keyhole center and became thicker with increasing horizontal distance. The texture gradually changed from shear \({A}_{1}^{*}/{A}_{2}^{*}\) components at the SZ to rolling cube, goss, and brass components at the TMAZ. The vertical keyhole peripheric is mainly composed of SZ with an onion ring grain structure and is dominated by the C shear component.
期刊介绍：
Transactions of the Indian Institute of Metals publishes original research articles and reviews on ferrous and non-ferrous process metallurgy, structural and functional materials development, physical, chemical and mechanical metallurgy, welding science and technology, metal forming, particulate technologies, surface engineering, characterization of materials, thermodynamics and kinetics, materials modelling and other allied branches of Metallurgy and Materials Engineering.
Transactions of the Indian Institute of Metals also serves as a forum for rapid publication of recent advances in all the branches of Metallurgy and Materials Engineering. The technical content of the journal is scrutinized by the Editorial Board composed of experts from various disciplines of Metallurgy and Materials Engineering. Editorial Advisory Board provides valuable advice on technical matters related to the publication of Transactions.
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