Al interlayer enhanced interfacial strength of ultrasonically welded copper-titanium dissimilar joints

被引：1
作者：
Chen, I-Hsuan [1 ]
Hsu, Shu-Han [1 ]
Lin, Jhe-Yu [1 ]
Ji, Xiaoliang [2 ]
机构：
[1] Natl Taipei Univ Technol, Dept Mech Engn, Taipei, Taiwan
[2] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 367卷
关键词：
Ultrasonic welding; Copper; Titanium; Aluminum; Frictional heat; ALUMINUM;
D O I：
10.1016/j.matlet.2024.136582
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study investigated the ultrasonic welding of Cu-Ti joints, revealing that the interfacial strength originated from mechanical interlocking. However, strength was diminished owing to interface-adjacent crack initiation due to excessive plastic strain. Introducing an Al interlayer prevented base metal damage with more frictional heat, and enhanced interfacial strength by 26%.
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页数：4
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