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Enhanced strength and ductility of friction stir processed Cu-Al alloys with abundant twin boundaries
P. Xue; B. L. Xiao; Z. Y. Ma
2013
Source PublicationScripta Materialia
ISSN1359-6462
Volume68Issue:9Pages:751-754
AbstractUltrafine-grained Cu-Al alloys were prepared via friction stir processing (FSP) with additional rapid cooling. These FSP Cu-Al alloys exhibited equiaxed recrystallized grains with relatively low dislocation density and a high fraction (96%) of high-angle grain boundaries. Abundant annealing twin boundaries were successfully introduced into the ultrafine grains in FSP Cu-15Al (at.%) alloy, resulting in superior strength ductility synergy with a yield strength of similar to 700 MPa and a uniform elongation of similar to 13%. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[xue, p. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; ma, zy (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; zyma@imr.ac.cn
KeywordCopper Alloys Twin Boundaries Friction Stir Processing Ultrafine Grains Ductility Dynamic Plastic-deformation High-tensile Ductility Stacking-fault Energy Ultrafine-grained Cu Nanostructured Materials Mechanical-properties Annealing Twins Nanocrystalline Metals Growth
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71610
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
P. Xue,B. L. Xiao,Z. Y. Ma. Enhanced strength and ductility of friction stir processed Cu-Al alloys with abundant twin boundaries[J]. Scripta Materialia,2013,68(9):751-754.
APA P. Xue,B. L. Xiao,&Z. Y. Ma.(2013).Enhanced strength and ductility of friction stir processed Cu-Al alloys with abundant twin boundaries.Scripta Materialia,68(9),751-754.
MLA P. Xue,et al."Enhanced strength and ductility of friction stir processed Cu-Al alloys with abundant twin boundaries".Scripta Materialia 68.9(2013):751-754.
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