Journal
SCRIPTA MATERIALIA
Volume 67, Issue 12, Pages 983-986Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.09.002
Keywords
Friction stir welding; Electron backscattering diffraction; Aluminum alloys; Abnormal grain growth
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Funding
- Japanese Ministry of Education, Culture, Sports, Science and Technology
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The relationship between material flow and abnormal grain growth in friction-stir welds was analyzed. It was found that the deformation induced by the tool shoulder during friction stir welding may lead to the formation of a fine-grained layer at the upper surface of the weld, which may give rise to abnormal grain growth during subsequent annealing. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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