중변형률 속도에서의 차체용 강판의 동적 인장실험Dynamic Tensile Tests of Steel Sheets for an Auto-body at the Intermediate Strain Rate

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dc.contributor.author임지호-
dc.contributor.author허훈-
dc.contributor.author권순용-
dc.contributor.author윤치상-
dc.contributor.author박성호-
dc.date.accessioned2009-09-11T08:42:05Z-
dc.date.available2009-09-11T08:42:05Z-
dc.date.created2012-02-06-
dc.date.issued2004-04-28-
dc.identifier.citation대한기계학회 학술대회, v., no., pp.456 - 461-
dc.identifier.urihttp://hdl.handle.net/10203/11158-
dc.description.abstractThe dynamic behavior of sheet metals must be examined to ensure the impact characteristics of auto-body by a finite element method. An appropriate experimental method has to be developed to acquire the material properties at the intermediate strain rate which is under 500/s in the crash analysis of auto-body. In this paper, tensile tests of various different steel sheets for an auto-body were performed to obtain the dynamic material properties with respect to the strain rate which is ranged from 0.003/sec to 200/sec. A high speed material testing machine was made for tension tests at the intermediate strain rate and the dimensions of specimens that can provide the reasonable results were determined by the finite element analysis. Stress-strain curves were obtained for each steel sheet from the dynamic tensile test and used to deduce the relationship of the yield stress and the elongation to the strain rate. These results are significant not only in the crashworthiness evaluation under car crash but also in the high speed metal forming.-
dc.languageKOR-
dc.language.isokoen
dc.publisher대한기계학회-
dc.title중변형률 속도에서의 차체용 강판의 동적 인장실험-
dc.title.alternativeDynamic Tensile Tests of Steel Sheets for an Auto-body at the Intermediate Strain Rate-
dc.typeConference-
dc.subject.alternativeSrain Rate Hardeningen
dc.subject.alternativeIntermediate Strain Rateen
dc.subject.alternativeDynamic Material Propertyen
dc.subject.alternativeHigh Speed Material Testing Machineen
dc.subject.alternativeFracture Elongationen
dc.type.rimsCONF-
dc.citation.beginningpage456-
dc.citation.endingpage461-
dc.citation.publicationname대한기계학회 학술대회-
dc.identifier.conferencecountrySouth Korea-
dc.contributor.localauthor허훈-
dc.contributor.nonIdAuthor임지호-
dc.contributor.nonIdAuthor권순용-
dc.contributor.nonIdAuthor윤치상-
dc.contributor.nonIdAuthor박성호-

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