IMECH-IR  > 非线性力学国家重点实验室
Improved back stress and synergetic strain hardening in coarse-grain/nanostructure laminates
Wang YF; Yang MX(杨沐鑫); Ma XL; Wang MS; Yin K; Huang AH; Huang CX
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2018-06-06
Volume727Pages:113-118
ISSN0921-5093
AbstractThe effect of back stress on the mechanical behaviors of heterogeneous material is studied in two modeled heterogeneous laminates, i.e. laminated structure with a nanostructured (NS) Cu-Zn alloy layer sandwiched between two coarse-grained (CG) pure Cu layers. The improved tensile ductility of NS layer is revealed and attributed to the constraint from the stable CG layers. It is found that the elastic/plastic interaction between NS and CG layers is capable of significantly improving the back stress, which makes a significant contribution to the synergetic strain hardening in low strain stage. Furthermore, a higher mechanical incompatibility permits stronger and longer mutual interaction between layers, i.e. coupling effect, which contributes to a higher back stress. These results improve our understanding about the role of back stress on mechanical behaviors of heterogeneous laminate materials.
KeywordLaminate Back stress Strain hardening Elastic/plastic interaction Nanostructure
DOI10.1016/j.msea.2018.04.107
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000438000500012
WOS KeywordMECHANICAL-PROPERTIES ; GRADIENT STRUCTURE ; TENSILE PLASTICITY ; STAINLESS-STEEL ; HIGH-STRENGTH ; GRAIN-SIZE ; DUCTILITY ; DEFORMATION ; BEHAVIOR ; COPPER
WOS Research AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS SubjectScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [11672195, 51601204] ; Sichuan Youth Science and Technology Foundation [2016JQ0047]
Classification一类
Ranking2
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77824
Collection非线性力学国家重点实验室
Affiliation1.Sichuan Univ, Sch Aeronaut & Astronaut, Chengdu 610065, Sichuan, Peoples R China
2.Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China
3.North Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
Recommended Citation
GB/T 7714
Wang YF,Yang MX,Ma XL,et al. Improved back stress and synergetic strain hardening in coarse-grain/nanostructure laminates[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,727:113-118.
APA Wang YF.,杨沐鑫.,Ma XL.,Wang MS.,Yin K.,...&Huang CX.(2018).Improved back stress and synergetic strain hardening in coarse-grain/nanostructure laminates.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,727,113-118.
MLA Wang YF,et al."Improved back stress and synergetic strain hardening in coarse-grain/nanostructure laminates".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 727(2018):113-118.
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