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Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study
Wang J(王军)1,2,3,4; Lu CS(卢春生)1; Wang Q3; Xiao P(肖攀)4; Ke FJ(柯孚久)2,4; Bai YL(白以龙)4; Shen YG5; Liao XZ6; Gao HJ(高华健)7
Source PublicationNANOTECHNOLOGY
2012-01-20
Volume23Issue:2Pages:025703
ISSN0957-4484
Abstract

The tensile behaviours of [111]-oriented SiC nanowires with various microstructures are investigated by using molecular dynamics simulations. The results revealed the influence of microstructures on the brittleness and plasticity of SiC nanowires. Plastic deformation is mainly induced by the anti-parallel sliding of 3C grains along an intergranular amorphous film parallel to the (11 $$(1) over bar) plane and inclined at an angle of 19.47 degrees with respect to the nanowire axis. Our study suggests that the wide dispersion of mechanical properties of SiC nanowires observed in experiments might be attributed to their diverse microstructures.


KeywordNanowire Sic Microstructure Mechanical Behaviour Molecular Dynamic Behaviour Mechanical Dynamic Formula See Molecular Intergranular Influence See Text Grain Brittleness
Subject Area固体力学
DOI10.1088/0957-4484/23/2/025703
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000298409000012
WOS KeywordSILICON-CARBIDE ; LOW-TEMPERATURE ; SIMULATION ; PLASTICITY ; NANORODS ; CARBON ; COPPER
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationAustralian Research Council(DP0985450) ; National Natural Science Foundation of China(11172024 ; Fundamental Research Funds for the Central Universities(YWF-11-03-Q-505 ; National Basic Research Program of China(2007CB814803) ; China Postdoctoral Science Foundation(2011M500211) ; US National Science Foundation(CMMI-0758535) ; 10732090 ; YWF-11-03-Q-573) ; 10932011 ; 11072014 ; 10972218 ; 11021262)
DepartmentLNM材料的分子/细观统计力学行为
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46056
Collection非线性力学国家重点实验室
Affiliation1.Curtin Univ, Dept Mech Engn, Perth, WA 6845, Australia
2.Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
3.Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China
4.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
5.City Univ Hong Kong, Dept Mech & Biomed Engn, Kowloon, Hong Kong, Peoples R China
6.Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Sydney, NSW 2006, Australia
7.Brown Univ, Sch Engn, Providence, RI 02912 USA
Recommended Citation
GB/T 7714
Wang J,Lu CS,Wang Q,et al. Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study[J]. NANOTECHNOLOGY,2012,23(2):025703.
APA Wang J.,Lu CS.,Wang Q.,Xiao P.,Ke FJ.,...&Gao HJ.(2012).Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study.NANOTECHNOLOGY,23(2),025703.
MLA Wang J,et al."Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study".NANOTECHNOLOGY 23.2(2012):025703.
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