Microstructure and Mechanical Property Improvement of Dissimilar Metal Joints for TC4 Ti Alloy to 304 Stainless Steel Using TA2/Q235 Composite Interlayer

Yan Zhang; YiDi Gao; JianPing Zhou; DaQian Sun; HongMei Li

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자료유형: 학술저널

저자정보: Yan Zhang (Xinjiang University) YiDi Gao (Xinjiang University) JianPing Zhou (Xinjiang University) DaQian Sun (Xinjiang University) HongMei Li (Xinjiang University)

저널정보: 대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.5

발행연도: 2021.1

수록면: 1,224 - 1,235 (12page)

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In this work, TA2/Q235 was used as an composite interlayer to prevent the formation of these brittle Ti–Fe intermetallicswhen joining TC4 Ti alloy to 304 stainless steel (SS). The TA2/Q235 composite interlayer was prepared by explosive welding.The laser was focused on the TC4–TA2 interface, which joined the TC4 and TA2 by fusion welding. At TC4–TA2interface, a weld zone was formed due to the mixing of molten TC4 and TA2. The laser was focused on the Q235–304 SSinterface, a weld zone was formed due to the mixing of molten Q235 and 304 SS. Composite interlayer TA/Q235 was usedto prevent the formation of Ti–Fe intermetallics during welding and improve microstructure and properties of the SS–Tialloy joint. The joint fractured at the TA2/Q235 explosive welding interface with the maximum tensile strength of 548 MPa.

#TC4 Ti alloy · 304 Stainless steel · Composite interlayer · Laser welding · Microstructure · Tensile strength

참고문헌 (35)

참고문헌 신청

M. Gao / 2012 / Characterisation of laser welded dissimilar Ti/steel joint using Mg interlayer / Sci. Technol. Weld. Join 17:269~276

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