Influencing mechanisms of weld root tip on microstructure and mechanical properties of electron beam welded joints of titanium alloy thick plates

被引：5
作者：
Li, F. S. [1 ,2 ]
Wu, L. H. [1 ,2 ,3 ]
Zhao, H. B. [1 ,2 ]
Li, H. J. [1 ]
Xue, P. [1 ,2 ,3 ]
Ni, D. R. [1 ,2 ]
Ma, Z. Y. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, 72 Wenhua Rd, Shenyang 110016, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2023年 / 28卷 / 09期
关键词：
Titanium alloys; Electron beam welding; Weld root tip; Mechanical properties; HIGH-ENTROPY ALLOY; FRICTION STIR; STRENGTH; PRECIPITATION; TECHNOLOGY; EVOLUTION; BEHAVIOR; FRACTURE; FATIGUE; STRESS;
D O I：
10.1080/13621718.2023.2262794
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The welding of titanium alloy thick plates often formed a narrow weld seam in the weld root, named as 'weld root tip', because of insufficient fusion, which could reduce the joint properties. In this study, 30 mm-thick Ti-5Al-5Mo-5V-1Cr-1Fe alloy was butt welded via electron beam welding to reveal the influencing mechanisms of the weld root tip on joint microstructure and mechanical properties. The subparallel or parallel weld seam with the weld angles of 0 degrees-3 degrees between the centre line and edge of the fusion zone removed the weld root tip, achieving almost the same mechanical properties with those of the welding zone.
引用
收藏
页码：1011 / 1020
页数：10
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