Two pass laser welding of TC4 Titanium alloy to 301L stainless steel via pure V interlayer

被引：30
|
作者：
Zhang, Yan [1 ]
Zhou, Jianping [1 ]
Sun, DaQian [2 ]
Li, HongMei [2 ]
机构：
[1] Xinjiang Univ, Sch Mech Engn, Urumqi 830000, Peoples R China
[2] Jilin Univ, Sch Mat Sci & Engn, Key Lab Automobile Mat, Changchun 130022, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2020年 / 9卷 / 02期
关键词：
TC4 Titanium alloy; SUS301L stainless steel; V Interlayer; Welding; Weld zone; Microstructure; NITI SHAPE-MEMORY;
D O I：
10.1016/j.jmrt.2019.11.066
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pulsed laser welding of TC4 Titanium alloy to SUS301 L stainless steel with V sheet as interlayer was applied. V does not form any intermetallic compound with Ti and Fe. V is used as an interlayer for joining Titanium alloy and stainless steel that the laser successively focused near the Titanium alloy-V and V-stainless steel interfaces. In this way, only two weld zones and unmelted V interlayer can be produced, but also by microstructure of residual solid V interlayer situated between two separately formed weld zones. The unmelted V interlayer acted as a barrier to mixing of the two base materials. The unmelted part of V interlayer also acted as a diffusion barrier between Ti and Fe to avoid the Ti-Fe intermetallics. The tensile strength of joint was 587 MPa accordingly. (C) 2019 The Authors. Published by Elsevier B.V.
引用
收藏
页码：1400 / 1404
页数：5
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