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Formation of stable equiaxial nanograined Al via combined plastic deformation
Wang, B.1,2; Xu, W.2; Zhou, X.2; Li, X. Y.1,2; Qiao, J. S.1
Corresponding AuthorLi, X. Y.(xyli@imr.ac.cn) ; Qiao, J. S.(qjisen@163.com.cn)
2021-10-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume203Pages:5
AbstractRefining grains in pure aluminum (Al) to nanometerscale is difficult due to its low melting point and high stacking fault energy. Here, with a combined plastic deformation process of cold rolling and cryogenic high pressure torsion, equiaxial-nanograined pure Al with an average grain size of 65 nm was fabricated. Grain orientation statistics and high resolution transmission electron microscope observations revealed that most of the grain boundaries are high angle grain boundaries, in which there are plenty of low Sigma boundaries, indicating the occurrence of grain boundary relaxation. The equiaxial nanograined Al exhibited high strength and superior thermal stability due to the grain boundary relaxation. (C) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordHigh pressure torsion Nanograined Al Grain boundary relaxation
Funding OrganizationMinistry of Science and Technology of the People's Republic of China ; Joint Found of Shenyang National Laboratory for Materials Science Key Laboratory of Advanced Processing and Recycling of Nonferrous Materials
DOI10.1016/j.scriptamat.2021.114054
Indexed BySCI
Language英语
Funding ProjectMinistry of Science and Technology of the People's Republic of China[2017YFA0204401] ; Ministry of Science and Technology of the People's Republic of China[2017YFA0700700] ; Joint Found of Shenyang National Laboratory for Materials Science Key Laboratory of Advanced Processing and Recycling of Nonferrous Materials[2017YFA0700700] ; Joint Found of Shenyang National Laboratory for Materials Science Key Laboratory of Advanced Processing and Recycling of Nonferrous Materials[18LHPY007]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000681318400009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159537
Collection中国科学院金属研究所
Corresponding AuthorLi, X. Y.; Qiao, J. S.
Affiliation1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, 287 Langongping Rd, Lanzhou 730050, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, B.,Xu, W.,Zhou, X.,et al. Formation of stable equiaxial nanograined Al via combined plastic deformation[J]. SCRIPTA MATERIALIA,2021,203:5.
APA Wang, B.,Xu, W.,Zhou, X.,Li, X. Y.,&Qiao, J. S..(2021).Formation of stable equiaxial nanograined Al via combined plastic deformation.SCRIPTA MATERIALIA,203,5.
MLA Wang, B.,et al."Formation of stable equiaxial nanograined Al via combined plastic deformation".SCRIPTA MATERIALIA 203(2021):5.
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