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김성엽

Kim, Sung Youb
Computational Advanced Nanomechanics Lab.
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dc.citation.endPage 1048 -
dc.citation.number 10 -
dc.citation.startPage 1035 -
dc.citation.title MECHANICS OF MATERIALS -
dc.citation.volume 37 -
dc.contributor.author Lee, Youngmin -
dc.contributor.author Park, Jong Youn -
dc.contributor.author Kim, Sung Youb -
dc.contributor.author Jun, Sukky -
dc.contributor.author Im, Seyoung -
dc.date.accessioned 2023-12-22T10:12:25Z -
dc.date.available 2023-12-22T10:12:25Z -
dc.date.created 2014-10-16 -
dc.date.issued 2005-10 -
dc.description.abstract Atomistic simulations are performed for the study of defect nucleation and evolution in Al single crystal under nanoindentation. Methodologies employed include the molecular dynamics and molecular mechanics simulations with embedded-atom potentials. Simulated is the indenting process on Al(1 1 1) surface with the spherical tip of indenter. Using the visualization technique of centrosymmetry parameters, homogeneous nucleations and early evolutions of dislocations are investigated for deepening our understanding of incipient plasticity at the atomic scale. We have shown that the nucleation sites of initial dislocation loops vary with the empirical potentials chosen for the simulation. Identifications are also made for the continuously changing structures of dislocation locks underneath the indenter tip and for the glide of prismatic partial dislocation loops far away from the contact surface. -
dc.identifier.bibliographicCitation MECHANICS OF MATERIALS, v.37, no.10, pp.1035 - 1048 -
dc.identifier.doi 10.1016/j.mechmat.2005.01.004 -
dc.identifier.issn 0167-6636 -
dc.identifier.scopusid 2-s2.0-20144364380 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/7324 -
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0167663605000141?via%3Dihub -
dc.identifier.wosid 000230273500003 -
dc.language 영어 -
dc.publisher ELSEVIER SCIENCE BV -
dc.title Atomistic simulations of incipient plasticity under A1(111) nanoindentation -
dc.type Article -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor molecular dynamics -
dc.subject.keywordAuthor molecular mechanics -
dc.subject.keywordAuthor nanoindentation -
dc.subject.keywordAuthor incipient plasticity -
dc.subject.keywordAuthor homogeneous dislocation nucleation -
dc.subject.keywordAuthor dislocation-loop glide -
dc.subject.keywordPlus DISLOCATION NUCLEATION -
dc.subject.keywordPlus MOLECULAR-DYNAMICS -
dc.subject.keywordPlus INTERATOMIC POTENTIALS -
dc.subject.keywordPlus DEFORMATION -
dc.subject.keywordPlus NANOMECHANICS -
dc.subject.keywordPlus INDENTATION -
dc.subject.keywordPlus MECHANICS -
dc.subject.keywordPlus CRYSTALS -
dc.subject.keywordPlus SURFACES -
dc.subject.keywordPlus METALS -

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