Enhanced Mechanical Properties of Friction Stir Welded 5083Al-H19 Joints with Additional Water Cooling

被引：66

作者：

Wang, B. B. ^{[1
]}

Chen, F. F. ^{[2
]}

Liu, F. ^{[1
]}

Wang, W. G. ^{[1
]}

Xue, P. ^{[2
]}

Ma, Z. Y. ^{[2
]}

机构：

[1] Liaoning Shihua Univ, Sch Mech Engn, Fushun 113001, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2017年 / 33卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Friction stir welding; Aluminum alloy; Water cooling; Microstructure; Mechanical property; WELDING PARAMETERS; MICROSTRUCTURE; ALLOY; CU; BEHAVIOR;

D O I：

10.1016/j.jmst.2017.01.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

3-mm-thick 5083Al-H19 rolled plates were friction stir welded (FSW) at tool rotation rates of 800 and 200 rpm with and without additional water cooling. With decreasing the rotation rate and applying water cooling, softening in the FSW joint was significantly reduced. At a low rotation rate of 200 rpm with additional water cooling, almost no obvious softening was observed in the FSW joint, and therefore a FSW 5083Al-H19 joint with nearly equal strength to the base material (BM) was obtained. Furthermore, the grains in the nugget zone were considerably refined with reducing the heat input and ultrafine equiaxed grains of about 800 nm were obtained in the lowest heat input condition. This work provides an effective method to achieve high property FSW joints of precipitate-hardened and work-hardened Al alloys. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.

引用

页码：1009 / 1014

页数：6

共 31 条

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