Strains and strain rates during friction stir welding

被引：155
|
作者：
Arora, A. [1 ]
Zhang, Z. [1 ]
De, A. [2 ]
DebRoy, T. [1 ]
机构：
[1] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
[2] Indian Inst Technol, Dept Mech Engn, Bombay, Maharashtra, India
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 09期
关键词：
Friction stir welding; Aluminum alloy; Modelling; Convection; High temperature deformation; PLASTIC-FLOW; 3-DIMENSIONAL HEAT; RECRYSTALLIZATION; MODEL;
D O I：
10.1016/j.scriptamat.2009.07.015
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Strains experienced by materials during friction stir welding (FSW) are important but scarce in the literature. Here we report the computed strains and strain rates during FSW of AA2524 from a three-dimensional coupled viscoplastic flow and heat transfer model. The strain rates are integrated along a streamline to estimate the accumulated strains experienced by the material. The computed strains and strain rates were in the ranges -10 to 5 and -9 to 9 s(-1), respectively. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：863 / 866
页数：4
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