HIGH SPEED TENSILE TEST OF STEEL SHEETS FOR THE STRESS-STRAIN CURVE AT THE INTERMEDIATE STRAIN RATE

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dc.contributor.authorHuh, Hoonko
dc.contributor.authorLim, JHko
dc.contributor.authorPark, SHko
dc.date.accessioned2010-09-10-
dc.date.available2010-09-10-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-04-
dc.identifier.citationINTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, v.10, no.2, pp.195 - 204-
dc.identifier.issn1229-9138-
dc.identifier.urihttp://hdl.handle.net/10203/19403-
dc.description.abstractThis paper presents stress-strain curves of steel sheets for an auto-body obtained at intermediate strain rates with a servo-hydraulic type high speed tensile testing machine. The apparatus has the maximum stroke velocity of 7.8 m/sec to obtain the tensile material properties at a strain rate of up to 500/sec. A special jig fixture is specially designed for accurate acquisition of tensile loads with reduction of the load-ringing phenomenon induced by unstable stress wave propagation at high strain rates. Tensile testing of steel sheets for an auto-body was carried out to obtain stress-strain curves of mild steel and advanced high strength steels at strain rates ranged from 1/sec to 200/sec. The test results provide interesting information regarding the stress-strain curves at intermediate strain rates ranged from 1/sec to 200/sec and demonstrate that strain rate hardening is strongly coupled with strain hardening.-
dc.languageEnglish-
dc.publisherKOREAN SOC AUTOMOTIVE ENGINEERS-
dc.subjectSPLIT HOPKINSON BAR-
dc.subjectAUTO-BODY-
dc.subjectALUMINUM-
dc.subjectBEHAVIOR-
dc.subjectMETALS-
dc.titleHIGH SPEED TENSILE TEST OF STEEL SHEETS FOR THE STRESS-STRAIN CURVE AT THE INTERMEDIATE STRAIN RATE-
dc.typeArticle-
dc.identifier.wosid000264812200008-
dc.identifier.scopusid2-s2.0-63849192764-
dc.type.rimsART-
dc.citation.volume10-
dc.citation.issue2-
dc.citation.beginningpage195-
dc.citation.endingpage204-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorHuh, Hoon-
dc.contributor.nonIdAuthorLim, JH-
dc.contributor.nonIdAuthorPark, SH-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorHigh speed tensile testing machine-
dc.subject.keywordAuthorStrain rate hardening-
dc.subject.keywordAuthorLoad ringing phenomenon-
dc.subject.keywordAuthorAuto-body steel sheets-
dc.subject.keywordPlusSPLIT HOPKINSON BAR-
dc.subject.keywordPlusAUTO-BODY-
dc.subject.keywordPlusALUMINUM-
dc.subject.keywordPlusBEHAVIOR-
dc.subject.keywordPlusMETALS-
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