Joining of magnesium and aluminum via arc-assisted ultrasonic seam welding with Sn/Zn composite interlayer

被引：27

作者：

Dai, Xiangyu ^{[1
,2
]}

Zhang, Hongtao ^{[1
,2
]}

Zhang, Hongchang ^{[3
]}

Liu, Jihou ^{[2
]}

Feng, Jicai ^{[1
,2
]}

机构：

[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

[2] Harbin Inst Technol Weihai, Shandong Prov Key Lab Special Welding Technol, Weihai 264209, Peoples R China

[3] Nanchang Univ, Informat Engn Sch, Nanchang 330031, Peoples R China

来源：

MATERIALS LETTERS | 2016年 / 178卷

关键词：

Metals and alloys; Welding; Microstructure; Mechanical property; MICROSTRUCTURE; JOINTS;

D O I：

10.1016/j.matlet.2016.04.064

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mg and Al alloys were successfully joined via a novel arc-assisted ultrasonic seam welding technique with Sn/Zn composite interlayer. Effects of Sn/Zn composite interlayer on the microstructure and mechanical properties of the joints were investigated in detail. The results indicated that Mg2Sn, Sn-based solid solution and Mg-based solid solution were formed at Mg/Sn interface while Al-based solid solution and Zn-based solid solution were formed at Al/Zn interface. The addition of Sn/Zn composite interlayer could suppress the formation of brittle Mg-Al intermetallic compounds and improve the mechanical properties of the joints obviously. The average peak load of the joints with Sn/Zn composite interlayer was 2.5kN, which was 150% increase over the joints without Sn/Zn composite interlayer. The joints fractured roughly in Mg substrate rather than Mg/Al interface. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：235 / 238

页数：4

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