Plastic deformation induced hexagonal-close-packed nickel nano-grains
Luo, Z. P.1; Guo, X. K.1,2; Hou, J. X.1,2; Zhou, X.1,2; Li, X. Y.1; Lu, K.1
Corresponding AuthorLi, X. Y.( ; Lu, K.(
AbstractNickel has a stable face-centered-cube lattice structure with a high stacking fault energy. No phase transition has been identified in Ni at elevated temperatures and under high pressure up to 200 GPa. In this study, we discovered formation of hexagonal-close-packed Ni nano-grains induced by plastic deformation. In cryogenic deformation of Ni nano-grains below a critical size of 17 nm when both dislocation activities and grain boundary processes are suppressed, an FCC-to-HCP transformation is triggered forming a mixture of FCC and HCP nano-grains. The finding offers a novel approach to tailor lattice structures of metals that are stable in coarse-grained form. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordNano-grained metals Nickel Plastic deformation Phase transformation
Funding OrganizationChinese Ministry of Science and Technology ; National Science Foundation of China ; Chinese Academy of Sciences
Indexed BySCI
Funding ProjectChinese Ministry of Science and Technology[2017YFA0204401] ; Chinese Ministry of Science and Technology[2017YFA0700700] ; National Science Foundation of China[51231006] ; National Science Foundation of China[51701216] ; Chinese Academy of Sciences[zdyz201701]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000470798400015
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, X. Y.; Lu, K.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Luo, Z. P.,Guo, X. K.,Hou, J. X.,et al. Plastic deformation induced hexagonal-close-packed nickel nano-grains[J]. SCRIPTA MATERIALIA,2019,168:67-70.
APA Luo, Z. P.,Guo, X. K.,Hou, J. X.,Zhou, X.,Li, X. Y.,&Lu, K..(2019).Plastic deformation induced hexagonal-close-packed nickel nano-grains.SCRIPTA MATERIALIA,168,67-70.
MLA Luo, Z. P.,et al."Plastic deformation induced hexagonal-close-packed nickel nano-grains".SCRIPTA MATERIALIA 168(2019):67-70.
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