Microstructure and mechanical properties of laser welded titanium alloy and stainless steel joint with composite interlayer

被引：2

作者：

Zhang, Yan ^{[1
]}

Gao, YiDi ^{[1
]}

Zhou, JianPing ^{[1
]}

Sun, DaQian ^{[2
]}

Li, HongMei ^{[2
]}

机构：

[1] Xinjiang Univ, Sch Mech Engn, State Key Lab Mfg Syst Engn, Urumqi 830000, Peoples R China

[2] Jilin Univ, Sch Mat Sci & Engn, Key Lab Automobile Mat, Changchun, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2021年 / 112卷 / 05期

关键词：

TC4 Ti alloy; 304 stainless steel; Composite interlayer; Laser welding; Microstructure;

D O I：

10.1515/ijmr-2020-8139

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

In this work, TA2/T2 was used as a composite interlayer to prevent the formation of brittle Ti-Fe intermetallics when joining TC4 Ti alloy to 304 stainless steel. The TA2/T2 (commercially pure Ti and Cu) 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 the TC4-TA2 interface, a weld zone was formed due to the mixing of molten TC4 and TA2. The laser was also focused on the T2-304 stainless steel interface, a weld zone was formed due to the mixing of molten T2 and 304 stainless steel. Composite interlayer TA/T2 was used not only to prevent the formation of Ti-Fe intermetallics during welding but also to improve microstructure and properties of the stainless steel-Ti alloy joint. The joint fractured at the TA2/T2 explosive welding interface with a maximum tensile strength of 428 MPa.

引用

页码：422 / 426

页数：5

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