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Stress relaxation behaviors and mechanical properties of precipitation strengthening copper alloys
Lin, H. R.1,2; Shao, H. F.3; Zhang, Z. J.1,2; Yang, H. J.1,2; Sun, J. C.1,2; Zhang, L. B.3; Zhang, Z. F.1,2
Corresponding AuthorZhang, Z. J.(zjzhang@imr.ac.cn) ; Zhang, L. B.(Zjuzlb@163.com) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2021-04-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume861Pages:11
AbstractIn order to measure cantilever bending stress of elastic alloys during stress relaxation experiment, a homomade apparatus has been developed. The mechanical properties and stress relaxation resistances of three high strength copper alloys have been investigated. Considering different experimental conditions, the CuNi-Sn alloys exhibit the optimum stress relaxation resistance. The mechanisms of stress relaxation and precipitation strengthening have been discussed. The hardness is recommended to be a critical parameter which can be used to evaluate the stress relaxation resistance simply. Because the interactions between precipitation particles and dislocations which influence the hardness also affect the dynamic recovery of mobile dislocations during stress relaxation. Finally, two effective methods have been proposed to slow down the stress relaxation in the copper alloys. (C) 2021 Elsevier B.V. All rights reserved.
KeywordCopper alloy Stress relaxation Aging Precipitation Strength
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; LiaoNing Revitalization Talents Program ; Youth Innovation Promotion Association CAS
DOI10.1016/j.jallcom.2020.158537
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51871223] ; National Natural Science Foundation of China (NSFC)[51790482] ; National Natural Science Foundation of China (NSFC)[52001153] ; LiaoNing Revitalization Talents Program[XLYC1808027] ; Youth Innovation Promotion Association CAS[2018226]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000619199300091
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/321006/160805
Collection中国科学院金属研究所
Corresponding AuthorZhang, Z. J.; Zhang, L. B.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Hangzhou Connector Factory, Hangzhou 310051, Peoples R China
Recommended Citation
GB/T 7714
Lin, H. R.,Shao, H. F.,Zhang, Z. J.,et al. Stress relaxation behaviors and mechanical properties of precipitation strengthening copper alloys[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,861:11.
APA Lin, H. R..,Shao, H. F..,Zhang, Z. J..,Yang, H. J..,Sun, J. C..,...&Zhang, Z. F..(2021).Stress relaxation behaviors and mechanical properties of precipitation strengthening copper alloys.JOURNAL OF ALLOYS AND COMPOUNDS,861,11.
MLA Lin, H. R.,et al."Stress relaxation behaviors and mechanical properties of precipitation strengthening copper alloys".JOURNAL OF ALLOYS AND COMPOUNDS 861(2021):11.
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