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dc.contributor.author장재일-
dc.date.accessioned2017-02-09T04:22:52Z-
dc.date.available2017-02-09T04:22:52Z-
dc.date.issued2015-06-
dc.identifier.citationPHILOSOPHICAL MAGAZINE, v. 95, Page. 1896-1906en_US
dc.identifier.issn1478-6435-
dc.identifier.issn1478-6443-
dc.identifier.urihttp://www.tandfonline.com/doi/abs/10.1080/14786435.2014.926036-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/25415-
dc.description.abstractWe have systematically explored the time-dependent plasticity of (0001)-oriented ZnO single crystal through spherical indentation tests. Constant load indentation creep tests were performed in elastic strain and elastic-plastic strain regimes. In both regimes, creep indeed occurred at ambient temperature. With the observed quasi-steady-static strain rate, the stress exponent was found as similar to 1.361 for elastic contact regime and similar to 3.077 for elastic-plastic regime, suggesting predominant creep mechanism of diffusion and dislocation, respectively. This strain-dependent transition of creep mechanism is discussed in terms of possible factors affecting the creep in each regime.en_US
dc.description.sponsorshipThis research was supported in part by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) [grant number 2013R1A1A2A10058551], and in part by the Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government (MOTIE) [grant number 20134030200360].en_US
dc.language.isoenen_US
dc.publisherTAYLOR & FRANCIS LTDen_US
dc.subjectnanoindentationen_US
dc.subjectZnOen_US
dc.subjectcreepen_US
dc.titleStrain-dependent transition of time-dependent deformation mechanism in single-crystal ZnO evaluated by spherical nanoindentationen_US
dc.typeArticleen_US
dc.relation.volume95-
dc.identifier.doi10.1080/14786435.2014.926036-
dc.relation.page1896-1906-
dc.relation.journalPHILOSOPHICAL MAGAZINE-
dc.contributor.googleauthorKim, Yong-Jae-
dc.contributor.googleauthorChoi, In-Chul-
dc.contributor.googleauthorLee, Jung-A-
dc.contributor.googleauthorSeok, Moo-Young-
dc.contributor.googleauthorJang, Jae-il-
dc.relation.code2015001925-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF MATERIALS SCIENCE AND ENGINEERING-
dc.identifier.pidjijang-
dc.identifier.researcherIDA-3486-2011-
dc.identifier.orcidhttp://orcid.org/0000-0003-4526-5355-
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COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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