DC Field | Value | Language |
---|---|---|
dc.contributor.author | Leem, D | - |
dc.contributor.author | Bong, HJ | - |
dc.contributor.author | Barlat, F | - |
dc.contributor.author | Lee, MG | - |
dc.contributor.author | Song, JH | - |
dc.contributor.author | Kim, D | - |
dc.date.accessioned | 2017-07-19T12:43:02Z | - |
dc.date.available | 2017-07-19T12:43:02Z | - |
dc.date.created | 2016-01-26 | - |
dc.date.issued | 2015-08 | - |
dc.identifier.issn | 1611-3683 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/36312 | - |
dc.description.abstract | In the present study, viscoplastic hardening behavior of aluminum alloy 3003 sheet was measured and existing hardening models were evaluated in terms of the accuracy for predicting strain rate and temperature-dependent flow behaviors. Moreover, a modified hardening model was proposed to capture the flow stress-strain responses under various strain rates and temperatures with enhanced accuracy. Mechanical responses of the material were measured by using uniaxial tensile test at various temperature (approximate to 25-250 degrees C) and strain rates (approximate to 0.001-0.3 s(-1)), and the split Hopkinson pressure bar (SHPB) test was also conducted to obtain flow behavior at the strain rate over 700 s(-1) at room temperature. Based on these experimental data, two well accepted viscoplastic constitutive models-Johnson-Cook and Khan-Huang-Liang-were evaluated. Finally, the Hollomon/Voce type model was further developed, which resulted in significant improvement in predicting the flow stress curves under wide range of strain rate and temperature. | - |
dc.language | English | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.relation.isPartOf | STEEL RESEARCH INTERNATIONAL | - |
dc.title | Enhancement in the Modeling of Temperature and Strain Rate-Dependent Plastic Hardening Behavior of a Sheet Metal | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/SRIN.201500006 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | STEEL RESEARCH INTERNATIONAL, v.86, no.8, pp.902 - 914 | - |
dc.identifier.wosid | 000359063700008 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | 914 | - |
dc.citation.number | 8 | - |
dc.citation.startPage | 902 | - |
dc.citation.title | STEEL RESEARCH INTERNATIONAL | - |
dc.citation.volume | 86 | - |
dc.contributor.affiliatedAuthor | Barlat, F | - |
dc.identifier.scopusid | 2-s2.0-84938743094 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 2 | - |
dc.description.scptc | 1 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.type.docType | Article; Proceedings Paper | - |
dc.subject.keywordAuthor | constitutive equations | - |
dc.subject.keywordAuthor | Johnson-Cook model | - |
dc.subject.keywordAuthor | Khan-Huang-Liang model | - |
dc.subject.keywordAuthor | modified Hollomon/Voce model | - |
dc.subject.keywordAuthor | strain rate | - |
dc.relation.journalWebOfScienceCategory | Metallurgy & Metallurgical Engineering | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Metallurgy & Metallurgical Engineering | - |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
library@postech.ac.kr Tel: 054-279-2548
Copyrights © by 2017 Pohang University of Science ad Technology All right reserved.