Journal
SCRIPTA MATERIALIA
Volume 58, Issue 5, Pages 349-354Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2007.09.064
Keywords
friction stir welding; friction stir processing; dynamic recovery and recrystallization; particle stimulated nucleation; microtexture
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Restoration models for hot working of metals and alloys are reviewed in the context of their applicability to friction stir welding (FSW) and friction stir processing (FSP). Two of these models are used to interpret microstructure and microtexture data for two aluminum alloys subjected to FSP. The need for further experiments and model extensions to accommodate the transients and steep gradients in the strain, strain rate and temperature experienced by materials during FSW and FSP are discussed. Published by Elsevier Ltd. on behalf of Acta Materialia, Inc.
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