Abstract
The tensile properties and failure behavior of a dissimilar Cu/Al joint are investigated at elevated temperatures. The strength degradation induced by test temperatures in the stirred zone is comparable to that in the base metal (on the aluminum 1050 side). The highest temperature-induced strength loss occurs in the softened zone adjacent to the stirred zone (on the aluminum side). The joint ductility is not significantly affected by the test temperatures. The strength degradation rate in the welded zone and the base metal increase proportionally to the test temperatures; however, the rate in the welded zone is higher. The failure behavior of the dissimilar joint is affected insignificantly by the test temperatures.
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This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant No. 13/2020/TN.
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Tran Hung, T., Duong Dinh, H., Masakazu, O. et al. Tensile Property and Failure Behavior of Copper/Aluminum Dissimilar Friction Stir Welding at Elevated Temperatures. J. of Materi Eng and Perform 31, 8878–8884 (2022). https://doi.org/10.1007/s11665-022-06949-4
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DOI: https://doi.org/10.1007/s11665-022-06949-4