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Raising thermal stability of nanograins in a CuCrZr alloy by precipitates on grain boundaries
Zhang, Z. Y.1,2; Sun, L. X.1; Tao, N. R.1
Corresponding AuthorTao, N. R.(nrtao@imr.ac.cn)
2021-06-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume867Pages:5
AbstractIn this work, one group of solid solution CuCrZr alloy was pre-aged and followed by dynamic plastic de-formation to prepare nanograins with randomly distributed precipitates and the other group of solid solution CuCrZr alloy was subjected to dynamic plastic deformation and followed by aging treatment to prepare nanograins with precipitates on grain boundaries. We investigated the effect of precipitate distributions on the nanograin growth in the strain-induced nanostructured CuCrZr alloy. The results showed that the onset temperature of nanograin growth is similar to 523 K when precipitates are distributed randomly in the nanograins. Grain growth occurs at 723 K for the nanograins with precipitates located on grain boundaries. The precipitates located on grain boundaries much enhance Zener pinning effect than those distributed randomly in the nanograins, thus raising the thermal stability of nanograins. (C) 2021 Elsevier B.V. All rights reserved.
KeywordThermal stability Nanograins Precipitate Grain boundary Zener pinning
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Key Research Program of Frontier Science, Chinese Academy of Sciences
DOI10.1016/j.jallcom.2021.159016
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51771196] ; National Natural Science Foundation of China[91963110] ; National Key Research and Development Program of China[2017YFA0204401] ; National Key Research and Development Program of China[2017YFA0204402] ; Key Research Program of Frontier Science, Chinese Academy of Sciences
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000630276200048
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161337
Collection中国科学院金属研究所
Corresponding AuthorTao, N. R.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Z. Y.,Sun, L. X.,Tao, N. R.. Raising thermal stability of nanograins in a CuCrZr alloy by precipitates on grain boundaries[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,867:5.
APA Zhang, Z. Y.,Sun, L. X.,&Tao, N. R..(2021).Raising thermal stability of nanograins in a CuCrZr alloy by precipitates on grain boundaries.JOURNAL OF ALLOYS AND COMPOUNDS,867,5.
MLA Zhang, Z. Y.,et al."Raising thermal stability of nanograins in a CuCrZr alloy by precipitates on grain boundaries".JOURNAL OF ALLOYS AND COMPOUNDS 867(2021):5.
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