Upset-resistance welding of aluminium to copper rods: effect of interface on performance

被引：5

作者：

Shamsian, M. ^{[1
]}

Movahedi, M. ^{[1
]}

Kokabi, A. H. ^{[1
]}

Ozlati, A. ^{[1
]}

机构：

[1] Sharif Univ Technol, Dept Mat Sci & Engn, POB 11365-9466,Azadi Ave, Tehran 14588, Iran

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2018年 / 34卷 / 15期

关键词：

Upset resistance welding; aluminium; copper; strength; electrical resistance; post weld heat treatment; microstructure; solid state welding; FRICTION; COMPOUND; JOINTS;

D O I：

10.1080/02670836.2018.1482254

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Upset resistance dissimilar welding of aluminium and copper narrow rods was performed. Effect of the interface characteristics was studied on the joint mechanical and electrical properties. Upset resistance welding (URW) was successful for production of joints with high strength and electrical conductivity between aluminium and copper rods. Reaction layer at the joint interface was composed of the Al2Cu cellular phase and lamellar eutectic structure of alpha-Al and Al2Cu. Enhancement of the welding current and decrease in the upset force increased the reaction layer thickness and strength of the joint. URW had no significant detrimental effect on the electrical conductivity of the weld zone. Neither the joint strength nor the joint electrical conductivity was improved by in situ post weld heat treatment.

引用

页码：1830 / 1838

页数：9

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