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Plastic deformation induced hexagonal-close-packed nickel nano-grains
Luo, Z. P.; Guo, X. K.; Hou, J. X.; Zhou, X.; Li, X. Y.; Lu, K.
2019-07-15
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume168Pages:67-70
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
Indexed BySCI
Language英语
WOS IDWOS:000470798400015
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80908
Collection中国科学院金属研究所
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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