Effect of materials positioning on dissimilar modified friction stir clinching between aluminum 5754-O and 2024-T3 sheets
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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6
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Vacuum, Volume 178
Abstract
Dissimilar welding in lap joint configuration between AA5754-O and AA2024-T3 materials is successfully performed using novel technique of Modified Friction Stir Clinching (MFSC) process, wherein materials positioning is analyzed in this investigation. The results revealed that materials positioning in dissimilar MFSC between AA2024-T3 and AA5754-O greatly influences joint properties and grain formation behavior in size, shape and orientations. The superior protuberance leveling of keyhole without any defects and with highest fracture load of 1483 N having fascinating mixing features between AA5754-O and AA2024-T3 were obtained when AA2024-T3 material was kept on top of AA5754-O during second phase of MFSC. Dominated ductile fracture characterized as intergranular fracture mode with secondary cracks and quasi cleavage dimples were also observed in both MFSC.Description
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Haiyan, Z & Mehta, K 2020, 'Effect of materials positioning on dissimilar modified friction stir clinching between aluminum 5754-O and 2024-T3 sheets', Vacuum, vol. 178, 109445. https://doi.org/10.1016/j.vacuum.2020.109445