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Molecule Statistical Thermodynamics Simulation of Nanoindentation of Single Crystal Copper with EAM Potential
Tan H(谭浩); Wang HY(汪海英); Xia MF(夏蒙棼); Ke FJ(柯孚久); Bai YL(白以龙); Tan, H (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
Source PublicationChinese Physics Letters
2011
Volume28Issue:4Pages:46201
ISSN0256-307X
AbstractThe quasistatic nanoindentation process of a spherical indenter in a single crystal copper is investigated with the molecular statistical thermodynamics (MST) method based on the embedded atom method (EAM) potential. The indentation modulus obtained in the MST simulation is 129.9GPa, which agrees well with the theoretical prediction (129GPa). In the elastic regime, the obtained maximum displacement of the indenter is two times the contact depth and the contact area is qualitatively proportional to the contact depth, which agrees well with Hertzian elastic theory of contact. The MST simulation can reproduce the nucleation of dislocation as well. Moreover, the efficiency of the MST method is about 8 times higher than that of traditional MD simulations.
KeywordIndentation Experiments Dislocation Nucleation Deformation Dynamics Modulus
Subject AreaPhysics
DOI10.1088/0256-307X/28/4/046201
URL查看原文
Indexed BySCI ; CSCD
Language英语
WOS IDWOS:000289195200046
WOS KeywordINDENTATION EXPERIMENTS ; DISLOCATION NUCLEATION ; DEFORMATION ; DYNAMICS ; MODULUS
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationSupported by the National Natural Science Foundation of China under Grant Nos 10932011, 10772181, 11021262, 10732090 and 10772012, and the National Basic Research Program of China under Grant No 2007CB814803.
DepartmentLNM材料的分子/细观统计力学行为
ClassificationQ3
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44938
Collection非线性力学国家重点实验室
Corresponding AuthorTan, H (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tan H,Wang HY,Xia MF,et al. Molecule Statistical Thermodynamics Simulation of Nanoindentation of Single Crystal Copper with EAM Potential[J]. Chinese Physics Letters,2011,28(4):46201.
APA 谭浩,汪海英,夏蒙棼,柯孚久,白以龙,&Tan, H .(2011).Molecule Statistical Thermodynamics Simulation of Nanoindentation of Single Crystal Copper with EAM Potential.Chinese Physics Letters,28(4),46201.
MLA 谭浩,et al."Molecule Statistical Thermodynamics Simulation of Nanoindentation of Single Crystal Copper with EAM Potential".Chinese Physics Letters 28.4(2011):46201.
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