Journal
SCRIPTA MATERIALIA
Volume 52, Issue 2, Pages 135-140Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.09.014
Keywords
friction stir processing; aluminum alloys; ultrafine grained microstructure
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Friction stir processing (FSP) was used to refine the grain size in commercial 7075 Al to a sub-micrometer scale (similar to250nm). The resulting microstructural characteristics were studied. In principle, by running multiple overlapping passes, any desired size thin sheet can be processed to an ultrafine grained microstructure (UFG) material with a relatively uniform microstructure. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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