Improved back stress and synergetic strain hardening in coarse-grain/nanostructure laminates

doi:10.1016/j.msea.2018.04.107

CORC > 力学研究所 > 中国科学院力学研究所 > 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
刊名	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
	2018-06-06
卷号	727 页码:113-118
关键词	Laminate Back stress Strain hardening Elastic/plastic interaction Nanostructure
ISSN号	0921-5093
DOI	10.1016/j.msea.2018.04.107
英文摘要	The 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.
分类号	一类
URL标识	查看原文
WOS关键词	MECHANICAL-PROPERTIES ; GRADIENT STRUCTURE ; TENSILE PLASTICITY ; STAINLESS-STEEL ; HIGH-STRENGTH ; GRAIN-SIZE ; DUCTILITY ; DEFORMATION ; BEHAVIOR ; COPPER
WOS研究方向	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
WOS记录号	WOS:000438000500012
资助机构	National Natural Science Foundation of China [11672195, 51601204] ; Sichuan Youth Science and Technology Foundation [2016JQ0047]
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/77824]
专题	力学研究所_非线性力学国家重点实验室
作者单位	1.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
推荐引用方式 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.