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Study on Residual Stresses and Fatigue Properties of Friction Stir Welding Joint

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Abstract:

Friction Stir Welding (FSW) is a new type of solid-state connection which can reduce structural weight significantly. In this paper, fatigue tests and finite element analysis were employed to study fatigue properties and residual stresses of aerial aluminum alloy 2524-T3 FSW joint. The residual stresses in FSW joint were obtained by a nonlinear direct coupled-field finite element analysis. On the basis of finite element analysis results, the fatigue life of FSW joint was estimated. It is verified that the analytic and estimated results agree with that of experiment.

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Periodical:

Advanced Materials Research (Volumes 884-885)

Pages:

374-377

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.884-885.374

Citation:

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Online since:

January 2014

Authors:

Teng Zhang, Yu Ting He*, Qing Shao, Bo Hou, Chao Gao

Keywords:

Fatigue Property, Finite Element Analysis (FEA), Friction Stir Welding (FSW), Residual Stress

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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