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Title: Fatigue crack growth at the representative zones in friction stir welding of a heat-treatable aluminium alloy at 200oC
Authors: Tran, Hung Tra
Keywords: Aluminum alloy 6063-T5
Friction stir welding
Fatigue crack growth
High temperature
Issue Date: 2018
Series/Report no.: Vietnam Journal of Science and Technology;Vol.56(1) .- P.39-46
Abstract: Aluminium alloy 6063-T5 plates were joined by friction stir welding technique. The fatigue crack gowth (FCG) in the thermo-mechanical affected zone (TMAZ) and in the heat affected zone (HAZ) of the welding was examined at 200oC. Although the grain microstructure of the TMAZ was significantly refined in comparison with that of BM, the FCG rate in TMAZ and base metal was shifted a comparable amount when the test temperature was elevated from room temperature to 200oC. In the metallurgical view, the FCG rate in the fine grain TMAZ was higher than that in coarse grain HAZ and base metal site.
ISSN: 2525-2518
Appears in Collections:Vietnam journal of science and technology

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