Ultrasonic spot welding of Al sheets by enhancing the temperature of weld interface

被引：17

作者：

Ni, Z. L. ^{[1
]}

Ye, F. X. ^{[1
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

来源：

MATERIALS LETTERS | 2017年 / 208卷

基金：

中国国家自然科学基金;

关键词：

Welding; Al sheet; Microstructure; Ultrasonic; Weld interface temperature; ALUMINUM-ALLOY; LAMINATED COMPOSITES; JOINTS; MICROSTRUCTURE; EVOLUTION; GEOMETRY; STEEL;

D O I：

10.1016/j.matlet.2017.05.009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultrasonic spot welded Al/Al joints with Al2219 particle interlayer for enhancing the temperature of the weld interface were successfully conducted. The results indicate that Al2219 particle interlayer is beneficial to the increase of temperature at the weld interface, and the increased temperature further facilitates the weldability of Al/Al joints. Meanwhile, no unbonded regions are discovered, and the combination of Al/interlayer interface is high close. The peak tensile shear load of similar to 5.47 kN is achieved for the joint with Al2219 particle interlayer, which is 35.7% higher than that (similar to 4.03 kN) for the joint without Al2219 particle interlayer. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：69 / 72

页数：4

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