The Proceedings of Conference of Kanto Branch
Online ISSN : 2424-2691
ISSN-L : 2424-2691
2021.27
Session ID : 10B10
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Effect of welding condition on tensile property of friction stir spot welded Al alloy/Cu joint
*Shinpei SASAKOMitsuhiro WATANABEYu NOGUCHIToshikazu SUZUKIEtsuhiro TSUKIDATEKazunori YOSHIDA
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Abstract

A5052 aluminum alloy sheets and C1100 copper sheets were welded by friction stir spot welding with various tool plunge depth. A tensile shear test and a cross tension test were performed to investigate the effect of the tool plunge depth on the tensile properties of the joint. When the welding was performed using the tool plunge depth more than 1.9 mm, hooks were formed at edge of the welded area. As a result of the tensile shear test, the fracture load tended to increase as the tool plunge depth increased. When the tool plunge depth was less than 1.8 mm, the fracture occurred at the aluminum base metal, and when the tool plunge depth was more than 1.9 mm, the fracture occurred with the hook. As a result of the cross tension test, when the tool plunge depth was less than 1.8 mm, the fracture occurred at the welding interface, and when the tool plunge depth was more than 1.9 mm, the fracture occurred at the hook. The fracture load tended to increase more than 1.9 mm of the tool plunge depth.

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© 2021 The Japan Society of Mechanical Engineers
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