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Comparison of tensile properties between nanotwinned and nanograined CuAl alloys
Wang, JJ; Tao, NR; Tao, NR (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2018-05-01
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号149页码:16-20
摘要Both nanotwinned and nanograined samples were prepared in a CuAl alloy by means of plastic deformation. Tensile tests showed that the nanotwinned sample exhibits a high yield strength of similar to 357 MPa and a considerable uniform elongation of 18% while the nanograined sample has ultra-high strength of similar to 758 MPa with a very limited uniform elongation of 1.4%. The lower yield strength and higher ductility in the nanotwinned sample were discussed based on its deformation mechanism. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; Both nanotwinned and nanograined samples were prepared in a CuAl alloy by means of plastic deformation. Tensile tests showed that the nanotwinned sample exhibits a high yield strength of similar to 357 MPa and a considerable uniform elongation of 18% while the nanograined sample has ultra-high strength of similar to 758 MPa with a very limited uniform elongation of 1.4%. The lower yield strength and higher ductility in the nanotwinned sample were discussed based on its deformation mechanism. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
部门归属[wang, j. j. ; tao, n. r.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, liaoning, peoples r china ; [wang, j. j.] univ chinese acad sci, beijing 100049, peoples r china
关键词Austenitic Stainless-steel Nanocrystalline Materials Mechanical-properties Ultrahigh-strength Strain-rate Metals Copper Ductility Grains Deformation
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51771196, 51371172]; Key Research Program of Frontier Science, Chinese Academy of Sciences
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79341
专题中国科学院金属研究所
通讯作者Tao, NR (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Wang, JJ,Tao, NR,Tao, NR . Comparison of tensile properties between nanotwinned and nanograined CuAl alloys[J]. SCRIPTA MATERIALIA,2018,149:16-20.
APA Wang, JJ,Tao, NR,&Tao, NR .(2018).Comparison of tensile properties between nanotwinned and nanograined CuAl alloys.SCRIPTA MATERIALIA,149,16-20.
MLA Wang, JJ,et al."Comparison of tensile properties between nanotwinned and nanograined CuAl alloys".SCRIPTA MATERIALIA 149(2018):16-20.
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