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Effect of size on mechanical behavior of Au pillars by molecular dynamics study
Tang QH(汤奇恒); Tang, QH; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2012-06-01
Volume55Issue:6Pages:1111-1117
ISSN1674-7348
AbstractThe influence of specimen size on the mechanical behavior of Au pillars is studied by means of molecular dynamics (MD) simulations with the EAM potential. Under compression at 300 K, as the deformation of pillars is in the plastic stage, nucleation of partial dislocations is observed. The coupling effect of surface stress and thermal activation is considered when analyzing the size effect on the yield property of the Au pillars. It appears that both the tensile stress component and the temperature in the surface layer impart significant effect on the mechanical behaviors of the nano-sized Au pillars.
KeywordMolecular Dynamics Simulation Size Effect Dislocation Compression Strain Gradient Plasticity Atomistic Simulation Metallic Nanowires Single-crystals Fcc Metals Deformation Scale Gold Dependence Strength
Subject Area弹性力学与塑性力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000304351900028
DepartmentLNM固体物理力学
Classification二类/Q3
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46688
Collection非线性力学国家重点实验室
Corresponding AuthorTang, QH; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Tang QH,Tang, QH,Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.. Effect of size on mechanical behavior of Au pillars by molecular dynamics study[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(6):1111-1117
APA 汤奇恒,Tang, QH,&Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China..(2012).Effect of size on mechanical behavior of Au pillars by molecular dynamics study.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(6),1111-1117.
MLA 汤奇恒,et al."Effect of size on mechanical behavior of Au pillars by molecular dynamics study".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.6(2012):1111-1117.
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