Effect of strain rate on formability in warm deep drawing of high tensile strength steel sheet

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In tensile test of the high tensile strength steel, tensile strength isdrastically decreased as the temperature is raised. Then, the strain rate sensitivity exponent of high tensile strength steel (SUS631) in this study is high at 800 degrees especially. Also, elongation is increased as the temperature is raised. In deep drawing, the maximum punch load of the high tensile strength steel is examined on difference punch speed at 600 and 800 degrees. On the other hand, finite element (FE) simulation was used for the possibility to evaluate the forming load on difference punch speed in warm deep drawing. In FE simulation, we have considered both the strain hardening exponent and the strain rate sensitivity exponent (m-value) because we cannot neglect m-value 0.184 at 800 degrees. The tendency of the forming load in the experiments agrees the results in FE simulation.

Original languageEnglish
Title of host publicationInternational Conference of Computational Methods in Sciences and Engineering 2014, ICCMSE 2014
EditorsTheodore E. Simos, Theodore Monovasilis, Theodore E. Simos, Zacharoula Kalogiratou, Theodore E. Simos, Theodore E. Simos, Theodore E. Simos
PublisherAmerican Institute of Physics Inc.
Pages315-318
Number of pages4
Volume1618
ISBN (Electronic)9780735412552
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes
EventInternational Conference of Computational Methods in Sciences and Engineering 2014, ICCMSE 2014 - Athens, Greece
Duration: 2014 Apr 42014 Apr 7

Other

OtherInternational Conference of Computational Methods in Sciences and Engineering 2014, ICCMSE 2014
CountryGreece
CityAthens
Period14/4/414/4/7

Keywords

  • FE Simulation
  • High strength Steel Sheet
  • Warm Deep Drawing Process

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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