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Extraordinary Bauschinger effect in gradient structured copper
Liu XL(刘小龙); Yuan FP(袁福平); Zhu YT; Wu XL(武晓雷)
Source PublicationSCRIPTA MATERIALIA
2018-06-01
Volume150Pages:57-60
ISSN1359-6462
AbstractBauschinger effect is a well-known phenomenon, in which the tensile stress is higher than the reverse compressive stress. Here we report that the gradient structured copper exhibits an extraordinarily large Bauschinger effect. We propose to use the reverse yield softening, Delta sigma(b), as a quantitative parameter to represent the Bauschinger effect. Delta sigma(b) evolves in the same trend as the back stress with pre-strain, and can be used to evaluate the effectiveness of a heterostructure in producing back stress for superior mechanical properties. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordBauschinger Effect Geometrically Necessary Dislocations Gradient Structure Reverse Yield Softening Tensile-compressive Test
DOI10.1016/j.scriptamat.2018.03.007
Indexed BySCI ; EI
Language英语
WOS IDWOS:000432612500013
WOS KeywordSTAINLESS-STEEL ; ALUMINUM-ALLOY ; AISI 316L ; STRAIN ; METALS ; DEFORMATION ; PLASTICITY ; MECHANISM ; EVOLUTION ; STRESS
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key RAMP ; National Natural Science Foundation of China(11572328 ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB22040503) ; US Army Research Office(W911NF-17-1-0350) ; D Program of China(2017YFA0204402) ; 11472286 ; 11672313 ; 11790293)
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77491
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
Liu XL,Yuan FP,Zhu YT,et al. Extraordinary Bauschinger effect in gradient structured copper[J]. SCRIPTA MATERIALIA,2018,150:57-60.
APA 刘小龙,袁福平,Zhu YT,&武晓雷.(2018).Extraordinary Bauschinger effect in gradient structured copper.SCRIPTA MATERIALIA,150,57-60.
MLA 刘小龙,et al."Extraordinary Bauschinger effect in gradient structured copper".SCRIPTA MATERIALIA 150(2018):57-60.
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