Friction stir welding of dissimilar AA2024 and AA7075 aluminum alloys

被引：187

作者：

Khodir, Saad Ahmed ^{[1
]}

Shibayanagi, Toshiya ^{[1
]}

机构：

[1] Osaka Univ, Joining & Welding Res Inst, Osaka 5670047, Japan

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2008年 / 148卷 / 1-3期

关键词：

friction stir welding; 2024-T3 Al alloy; 7075-T6 Al alloy; welding speed; microstructure; mechanical properties;

D O I：

10.1016/j.mseb.2007.09.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present study focuses on the microstructure and mechanical properties of dissimilar joints of 2024-T3 Al alloy to 7075-T6 Al alloy produced by friction stir welding. Effects of welding speed and fixed location of base metals on microstructures, hardness distributions, and tensile properties of the welded joints were investigated. SEM-EDS analysis revealed that the stir zone contains a mixed structure and onion ring pattern with a periodic change of grain size as well as a heterogeneous distribution of alloying elements. The maximum tensile strength of 423.0 MPa was achieved for the joint produced at welding speed of 1.67 mm/s when 2024 Al alloy was located on the advancing side. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：82 / 87

页数：6

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