Influence of Process Parameters on Microstructure and Mechanical Properties in AA2024-T3 Friction Stir Welding

被引：84

作者：

Carlone P. ^{[1
]}

Palazzo G.S. ^{[1
]}

机构：

[1] Department of Industrial Engineering, University of Salerno, Salerno

来源：

Metallography, Microstructure, and Analysis | 2013年 / 2卷 / 4期

关键词：

Aluminum; Friction stir welding; Mechanical testing; Optical microscopy; Process model;

D O I：

10.1007/s13632-013-0078-4

中图分类号：

学科分类号：

摘要：

Material stirring and heat generation in friction stir welding processes induce significant microstructure and material properties alterations. Previous studies highlighted the relationship among microstructure, grain size, microhardness, and performance of the joint. In this context, an opportune definition of process parameters, in particular rotating and welding speed, is crucial to improve joint reliability. In this article, results provided by a numerical and experimental investigation on the influence of rotating and welding speed on microstructure, mechanical properties, and joint quality in AA2024-T3 friction stir welded butt joints are reported. Experimental data are presented and discussed considering numerically computed temperature and strain rate distributions, providing useful information for parameters setting. Processing window, i.e., parameters resulting in a successful material deposition, is also individuated. © 2013 Springer Science+Business Media New York and ASM International.

引用

页码：213 / 222

页数：9

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