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Transition of deformation mechanisms from twinning to dislocation slip in nanograined pure cobalt
Qi, Y. W.1,2; Luo, Z. P.1; Li, X. Y.1; Lu, K.1
Corresponding AuthorLi, X. Y.(xyli@imr.ac.cn)
2022-09-10
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume121Pages:124-129
AbstractDeformation mechanisms of nanograined and submicron-grained pure cobalt processed by means of high strain rate shear deformation at cryogenic temperatures were studied. Microstructural analysis revealed a transition of governing deformation mechanism from deformation twinning and a c + a a dislocations slip in nanograins. Microhardness tests illustrated that the Hall-Petch relation slope changes consequently with the transition of deformation mechanism. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordNanograin Cobalt Deformation mechanism Hall-Petch relation
Funding OrganizationMinistry of Science & Technology of China ; Chinese Academy of Sciences ; Science and Technology on Surface Physics and Chemistry Laboratory
DOI10.1016/j.jmst.2022.02.009
Indexed BySCI
Language英语
Funding ProjectMinistry of Science & Technology of China[2017YFA0204401] ; Ministry of Science & Technology of China[2017YFA0700700] ; Chinese Academy of Sciences[zdyz201701] ; Science and Technology on Surface Physics and Chemistry Laboratory[6142A020303]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000788269200003
PublisherJOURNAL MATER SCI TECHNOL
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/172699
Collection中国科学院金属研究所
Corresponding AuthorLi, X. Y.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Qi, Y. W.,Luo, Z. P.,Li, X. Y.,et al. Transition of deformation mechanisms from twinning to dislocation slip in nanograined pure cobalt[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,121:124-129.
APA Qi, Y. W.,Luo, Z. P.,Li, X. Y.,&Lu, K..(2022).Transition of deformation mechanisms from twinning to dislocation slip in nanograined pure cobalt.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,121,124-129.
MLA Qi, Y. W.,et al."Transition of deformation mechanisms from twinning to dislocation slip in nanograined pure cobalt".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 121(2022):124-129.
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