4.7 Article

Anisotropy of structural response of single crystal austenitic stainless steel to friction stir welding

Journal

ACTA MATERIALIA
Volume 61, Issue 9, Pages 3465-3472

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2013.02.039

Keywords

Friction stir welding; Single crystal; Electron backscatter diffraction; Slip

Funding

  1. Japanese Ministry of Education, Science, Sports and Culture
  2. Global COE Program in Materials Integration International Center of Education and Research at Tohoku University

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The structural response of an austenitic stainless steel single crystal to friction stir welding (FSW) was examined. The microstructural changes induced by FSW were found to essentially vary around the rotating tool. This effect was attributed to variable orientation of the shear plane and shear direction inherent to the FSW process, which significantly influenced slip activity of the single crystal. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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