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Kim, Ju-Young
Robust Multifunctional Materials Lab
Research Interests
  • Flexible / stretchable devices, nano-mechanics, nanoporous metal, materials reliability

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Extended expanding cavity model for measurement of flow properties using instrumented spherical indentation

DC Field Value Language
dc.contributor.author Kang, Seung-Kyun ko
dc.contributor.author Kim, Young-Cheon ko
dc.contributor.author Kim, Kyg-Hwan ko
dc.contributor.author Kim, Ju-Young ko
dc.date.available 2014-04-10T01:42:38Z -
dc.date.created 2013-07-03 ko
dc.date.issued 2013-10 ko
dc.identifier.citation INTERNATIONAL JOURNAL OF PLASTICITY, v.49, pp.1 - 15 ko
dc.identifier.issn 0749-6419 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/3259 -
dc.description.abstract We propose an extended expanding cavity model (ECM) in instrumented spherical indentation to evaluate flow properties measured in uniaxial mechanical testing. We describe the mean pressure of the projected surface from radial stress at the hemispherical core boundary with a scaling factor for strain-hardening metals. Plastic constraint factors determined by the strain-hardening exponent, yield strain and scaling factor successfully illustrate flow stress-strain points in uniaxial tension tests. We suggest a novel way to determine the strain-hardening exponent from the ratio of indentation loading slope, and a modified Meyer relation to measure yield strengths. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.title Extended expanding cavity model for measurement of flow properties using instrumented spherical indentation ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84880571793 ko
dc.identifier.wosid 000323023500001 ko
dc.type.rims ART ko
dc.description.wostc 2 *
dc.description.scopustc 0 *
dc.date.tcdate 2014-10-18 *
dc.date.scptcdate 2013-07-20 *
dc.identifier.doi 10.1016/j.ijplas.2013.02.014 ko
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