IMECH-IR  > 非线性力学国家重点实验室
NANOINDENTATION SIMULATION ON MECHANICAL BEHAVIOR OF NANOCRYSTALLINE Ni
Tang QH(汤奇恒); Yang TY(杨天勇); Tang, QH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Source PublicationInternational Journal of Modern Physics B
2011
Volume25Issue:12Pages:1689-1700
ISSN0217-9792
AbstractThe indentation simulation of the nanocrystalline Ni is carried out by molecular dynamics technique (MD) to study the mechanical behavior at nanometer scales. The sphere indenter is used, and simulation sample with three grains and two grain boundaries is adopted. The strength of nanocrystalline is studied as indenter is set at grain boundary and grain, respectively. Some defects such as dislocations or slipping deformation are observed It is found that dislocations are emitted from the grain boundary or the sample surface. The temperature distribution of local region indenter is analyzed and it can explain our MD simulation results.
KeywordMolecular Dynamics Simulation Indentation Nanocrystalline Defect Evolution Molecular-dynamics Simulation Dislocation Nucleation Indentation Nanowires Fracture Alloy Al Cu
Subject AreaPhysics
DOI10.1142/S0217979211100692
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000291167900014
WOS KeywordMOLECULAR-DYNAMICS SIMULATION ; DISLOCATION NUCLEATION ; INDENTATION ; NANOWIRES ; FRACTURE ; ALLOY ; AL ; CU
WOS Research AreaPhysics
WOS SubjectPhysics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
Funding OrganizationThe research presented here was supported by the National Natural Science Foundation of China (Grant no. 10721202, 10872197, 11021262).
DepartmentLNM固体物理力学
ClassificationQ4
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44929
Collection非线性力学国家重点实验室
Corresponding AuthorTang, QH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tang QH,Yang TY,Tang, QH . NANOINDENTATION SIMULATION ON MECHANICAL BEHAVIOR OF NANOCRYSTALLINE Ni[J]. International Journal of Modern Physics B,2011,25(12):1689-1700.
APA 汤奇恒,杨天勇,&Tang, QH .(2011).NANOINDENTATION SIMULATION ON MECHANICAL BEHAVIOR OF NANOCRYSTALLINE Ni.International Journal of Modern Physics B,25(12),1689-1700.
MLA 汤奇恒,et al."NANOINDENTATION SIMULATION ON MECHANICAL BEHAVIOR OF NANOCRYSTALLINE Ni".International Journal of Modern Physics B 25.12(2011):1689-1700.
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