High-strength titanium alloy/steel butt joint produced via friction stir welding

被引：38
|
作者：
Li, Shuhan [1 ]
Chen, Yuhua [1 ]
Zhou, Xingwen [1 ,2 ]
Kang, Jidong [3 ]
Huang, Yongde [1 ]
Deng, Huaibo [1 ]
机构：
[1] Nanchang Hangkong Univ, Sch Aerosp Mfg Engn, 696 Fenghe Rd South, Nanchang 330063, Jiangxi, Peoples R China
[2] Beihang Univ, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
[3] CanmetMATERIALS, 183 Longwood Rd South, Hamilton, ON L8P 0A5, Canada
来源：
MATERIALS LETTERS | 2019年 / 234卷
关键词：
Titanium alloy; Steel; Welding; Micro structure; Intermetallic compound; WELDED LAP JOINTS; STAINLESS-STEEL; HEAT-TREATMENT; PURE TITANIUM; ALLOY; INTERFACE; 304-STAINLESS-STEEL; MICROSTRUCTURE; TI-6AL-4V; LASER;
D O I：
10.1016/j.matlet.2018.09.094
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
For the first time, defect-free butt welds of titanium alloy/steel were successfully fabricated via friction stir welding. Joints were produced by employing rotation speed varied at 600 and 950 rpm with a constant travel speed of 47.5 mm/min. An increasing of rotation speed leads to thicken the intermetallic compound layer, coarsen the grain size and thus decrease the joint microhardness. Thanks to the solid-state joining process, only a thin FeTi layer was formed at the interface even rotation speed increased to 950 rpm. As a result, all obtained joints fractured at the base steel material. The work carried out clearly shows the good weldability of titanium alloy to steel via friction stir welding. Crown Copyright (C) 2018 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：155 / 158
页数：4
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