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Korean J. Met. Mater.
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Accepted articles are posted online ahead of regular printed publication.
Research Papers
Mechanical Performance and Microstructure of Resistance Element Welds of Dissimilar Metals Created with a Headless Rivet
Young Hyun Oh, Hyun Jung Ryu, Taejung Kim, Minsu Choi, and Taeseon Lee
Received 2019 Aug 12 Accepted 2019 Sep 30 Published online 2019 Oct 8
Abstract
Resistance Element Welding (REW) is a novel processing technology developed to join dissimilar materials such as aluminum and steel. It uses an auxiliary steel rivet (element) inserted into an aluminum sheet that forms a resistance spot weld with the steel sheet, and the aluminum work piece is mechanically joined by...
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2핫스탬핑 열처리 온도가 Al-10% Si 도금 30MnB5 강의 점용접성에 미치는 영향
손 성 국, 황 연 정, 이 창 욱*, 유 지 홍, 최 민 수
Received 2019 Aug 22 Accepted 2019 Oct 6 Published online 2019 Oct 8
Abstract
Hot stamping is the most efficient manufacturing process to produce high strength automotive parts with reduced springback. Recently, 30MnB5 steel has been developed for hot stamping steel which can provide above 1700 MPa. However, resistance spot weldability of this steel is insufficient due to large amount of carbon addition. In...
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