IMECH-IR  > 非线性力学国家重点实验室
Superior strength-ductility CoCrNi medium-entropy alloy wire
Liu JP(刘俊鹏)1,2,3; Chen JX(陈金玺)1,2,3; Liu TW(刘天威)1,2,3; Li C(李琛)1,2,3; Chen Y(陈艳)1,2,3; Dai LH(戴兰宏)1,2,3
Corresponding AuthorChen, Yan(chenyan@lnm.imech.ac.cn) ; Dai, Lan-Hong(lhdai@lnm.imech.ac.cn)
Source PublicationSCRIPTA MATERIALIA
2020-05-01
Volume181Pages:19-24
ISSN1359-6462
AbstractHigh strength-ductility is the prerequisite requirement for the widely used steel wires in engineering applications. Traditional strengthening strategies on these wires are suffocated inevitably by strength-ductility trade-off dilemma. Recent emerging medium-entropy alloys (MEAs) usually exhibits excellent ductility but relatively lower strength. In this paper, a novel CoCrNi MEA wire with superior mechanical properties was successfully fabricated by heavily drawing process. The yield strength, ultimate tensile strength and elongation could reach 1.5 GPa, 1.8 GPa and 37.4% at liquid-nitrogen temperature, respectively. In-depth microstructure characterization indicates this superior strength-ductility derives from the synergy of dislocations, high-density twins and clear FCC-HCP phase transition. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordMetallic wire Mechanical properties Twinning Phase transformation
DOI10.1016/j.scriptamat.2020.02.002
Indexed BySCI ; EI
Language英语
WOS IDWOS:000527323100005
WOS KeywordCEMENTITE DECOMPOSITION ; MECHANICAL-PROPERTIES ; STEEL WIRES ; ATOM-PROBE ; MICROSTRUCTURE ; EVOLUTION ; PLASTICITY ; BOUNDARIES ; ELEMENTS
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding ProjectNational Key Research and Development Program of China[2017YFB0702003] ; NSFC[11790292] ; NSFC[11972346] ; NSFC[51901235] ; Strategic Priority Research Program[XDB22040302] ; Strategic Priority Research Program[XDB22040303] ; Key Research Program of Frontier Sciences[QYZDJSSWJSC011] ; Science Challenge Project[TZ2016001] ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology)[KFJJ18-14M]
Funding OrganizationNational Key Research and Development Program of China ; NSFC ; Strategic Priority Research Program ; Key Research Program of Frontier Sciences ; Science Challenge Project ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology)
Classification一类
Ranking1
ContributorChen, Yan ; Dai, Lan-Hong
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81856
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China;
3.CAS Ctr Excellence Complex Syst Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu JP,Chen JX,Liu TW,et al. Superior strength-ductility CoCrNi medium-entropy alloy wire[J]. SCRIPTA MATERIALIA,2020,181:19-24.
APA 刘俊鹏,陈金玺,刘天威,李琛,陈艳,&戴兰宏.(2020).Superior strength-ductility CoCrNi medium-entropy alloy wire.SCRIPTA MATERIALIA,181,19-24.
MLA 刘俊鹏,et al."Superior strength-ductility CoCrNi medium-entropy alloy wire".SCRIPTA MATERIALIA 181(2020):19-24.
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