Numerical simulation of friction stir butt welding process for AA5083-H18 sheets

被引：79

作者：

Kim, Dongun ^{[1
]}

Badarinarayan, Harsha ^{[2
]}

Kim, Ji Hoon ^{[3
]}

Kim, Chongmin ^{[4
,5
]}

Okamoto, Kazutaka ^{[6
]}

Wagoner, R. H. ^{[3
]}

Chung, Kwansoo ^{[1
]}

机构：

[1] Seoul Natl Univ, Res Inst Adv Mat, Dept Mat Sci & Engn, Seoul 151742, South Korea

[2] Hitachi Amer Ltd, Div Res & Dev, Farmington Hills, MI 48335 USA

[3] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA

[4] Gen Motors Corp, R&D Ctr, Mat & Proc Lab, Warren, MI 48090 USA

[5] Gen Motors Corp, NAO Planning, Warren, MI 48090 USA

[6] Hitachi Ltd, Hitachi Res Lab, Hitachi, Ibaraki 3191292, Japan

来源：

EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2010年 / 29卷 / 02期

关键词：

Friction stir welding; Thermo-mechanical Simulation; FVM; AA5083-H18; CFD; STAR-CCM; MODEL; FLOW;

D O I：

10.1016/j.euromechsol.2009.10.006

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Thermo-mechanical simulation of the friction stir butt welding (FSBW) process was performed for AA5083-H18 sheets, utilizing a commercial finite volume method (FVM) code, STAR-CCM+ which is, based on the Eulerian formulation. Distributions of temperature and strain rate histories were calculated under the steady state condition and simulated temperature distributions (profiles and peak values) were compared with experiments. It was found that including proper thermal boundary condition for the backing plate (anvil) is critical for accurate simulation results. Based on the simulation, thermal and deformation histories of material elements were also calculated, useful to predict material characteristics of the weld such as hardness or grain size, and possibly for the susceptibility of weld to abnormal grain growth (AGG) after post-weld heat treatment. (C) 2009 Elsevier Masson SAS. All rights reserved.

引用

页码：204 / 215

页数：12

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