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Suppression of grain boundary migration at cryogenic temperature in an extremely fine nanograined Ni-Mo alloy
Hu, J.1,2; Li, J. X.1,3; Shi, Y. N.1
Corresponding AuthorShi, Y. N.(yinongshi@imr.ac.cn)
2020-11-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume57Pages:65-69
AbstractMicroindentation creep tests on an electrodeposited extremely fine (4.9 nm) nanograined (ng) Ni-14.2 at.% Mo (Ni-14.2Mo) at both room temperature (RT) and liquid nitrogen temperature (LNT) demonstrated that lowering temperature retarded softening in the ng Ni-Mo alloy. The obtained strain rate sensitivity at LNT was one order of magnitude lower than that at RT. Microstructural characterization revealed that mechanically-driven grain boundary (GB) migration was greatly suppressed by lowering temperature, which might be ascribed to the presence of solute Mo atoms that significantly retarded coupled GB motion at LNT. Deformation was instead carried by shear bands. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordExtremely fine nanograined metals Mechanically-driven grain boundary migration Cryogenic temperature Shear bands Solute atoms
Funding OrganizationMinistry of Science & Technology of China ; National Natural Science Foundation of China ; Jiangxi Outstanding Young Talents Funding Program ; Liaoning Revitalization Talents Program ; Shenyang National Laboratory for Materials Science
DOI10.1016/j.jmst.2020.03.048
Indexed BySCI
Language英语
Funding ProjectMinistry of Science & Technology of China[2017YFA0204401] ; National Natural Science Foundation of China[ZDYZD201701] ; National Natural Science Foundation of China[51961012] ; National Natural Science Foundation of China[51801064] ; Jiangxi Outstanding Young Talents Funding Program[20192BCB23014] ; Liaoning Revitalization Talents Program[XLYC1808008] ; Shenyang National Laboratory for Materials Science[2016RP05]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000572537200023
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140610
Collection中国科学院金属研究所
Corresponding AuthorShi, Y. N.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.East China JiaoTong Univ, Inst Adv Mat, Nanchang 330013, Jiangxi, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Hu, J.,Li, J. X.,Shi, Y. N.. Suppression of grain boundary migration at cryogenic temperature in an extremely fine nanograined Ni-Mo alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,57:65-69.
APA Hu, J.,Li, J. X.,&Shi, Y. N..(2020).Suppression of grain boundary migration at cryogenic temperature in an extremely fine nanograined Ni-Mo alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,57,65-69.
MLA Hu, J.,et al."Suppression of grain boundary migration at cryogenic temperature in an extremely fine nanograined Ni-Mo alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 57(2020):65-69.
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