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|Type:||Artigo de evento|
|Title:||Microstructural Simulation Of Friction Stir Welding In Uns S32205 Duplex Stainless Steel|
|Abstract:||Hot torsion physical simulation was used to reproduce the microstructure of the thermomechanically affected zone (TMAZ) of friction stir welded UNS S32205 duplex stainless steel. Such microstructure reproduction under controlled conditions allows the estimation of the thermomechanical conditions imposed to the material during FSW. The implementation of a LN2 cooling system to the hot torsion unit of a commercial Gleeble 3800® simulator was instrumental to reproduce the temperature profiles measured during actual friction stir welding of duplex stainless steels. As a result, very good microstructural and thermal matching were obtained. Moreover, ferrite volume fraction of the simulated microstructures perfectly matched the actual thermomechanically affected zone. Numerical simulations of the torsion tests are being carried out to determine the actual values of strain and strain rate in each test. Copyright © 2013 ASM International® All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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