Influence of the degree of dilution with laser beam vacuum-welded Cu-Al mixed joints on the electrical properties

被引：15

作者：

Reisgen, Uwe ^{[1
]}

Olschok, Simon ^{[1
]}

Jakobs, Stefan ^{[1
]}

Holtum, Niklas ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Welding & Joining Inst ISF, Pontstr 49, D-52062 Aachen, Germany

来源：

10TH CIRP CONFERENCE ON PHOTONIC TECHNOLOGIES [LANE 2018] | 2018年 / 74卷

关键词：

Laser beam welding; Single-moder fiber laser; Copper; Aluminum; Dissimilar material joint; MECHANICAL-PROPERTIES; COPPER;

D O I：

10.1016/j.procir.2018.08.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A great potential for light-weight construction lies in the substitution of copper by aluminum. The state of the art, so far, has put the focus only on the identification of the crack-sensitive intermetallic phase. External influential factors, such as temperature, current-feed and time bring about the change of the joining zone structure by diffusion and electro-migration. Moreover, a temporal change of the technological properties (increase of the electric resistance, reduction of strength) of the dissimilar material joint will occur. Findings about this behavior for laser beam under vacuum welds will allow to draw conclusions about the expected life-time. (C) 2018 The Authors. Published by Elsevier Ltd.

引用

页码：23 / 26

页数：4

共 49 条

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