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Title: Numerical simulation of thermal history and residual stresses in friction stir welding of Al 2014-T6
Authors: Rajamanickam, N
Balusamy, V
Thyla, P R
Vignesh, G Hari
Keywords: Aluminum alloy 2014-T6
Finite element analysis
Friction stir welding
Residual stress
Thermal cycle
Issue Date: Mar-2009
Publisher: CSIR
Abstract: In friction stir welding (FSW), a significant residual stress is present in weld due to complex nature of fixturing system compared to fusion welding. These residual stresses can affect properties of welded components during service. Therefore, for estimating magnitude of welding residual stresses and their nature of distribution along with thermal history, a three dimensional non-linear thermo-mechanical finite element (NLTMFE) model using ANSYS package was developed for butt welded aluminum alloy 2014-T6. Validity of NLTMFE model was established while observing close agreement of temperature history, residual stress patterns with that of experimental values.
Page(s): 192-198
ISSN: 0022-4456
Source:JSIR Vol.68(03) [March 2009]

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