Comparison of dynamic mechanical properties between pure iron (BCC) and Fe-30Mn-3Si-4Al TWIP steel (FCC)

Wei Ping Bao, Zhi Ping Xiong*, Fu Ming Wang, Jian Shu, Xue Ping Ren

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

3 Citations (Scopus)

Abstract

Dynamic mechanical properties and microstructures of pure iron and Fe-30Mn-3Si-4Al TWIP (TWinning Induced Plasticity) steel were conducted by SHPB (Split-Hopkinson Pressure Bar), OM (Optical Microscopy) and TEM (Transmission Electron Microscope), at the strain rate ranging from 102 to 105 s-1and at room temperature. The effect of high strain rate on the mechanical responses of pure iron and Fe-30Mn-3Si-4Al TWIP steel belonging to BCC (Body Centered Cubic) and FCC (Face Centered Cubic) structures respectively was evaluated. The comparison of deformation mechanism was analyzed between them and it concluded that dislocation gliding is a major deformation mechanism in pure iron with BCC structure and deformation twinning plays a significant role in Fe-30Mn-3Si-4Al TWIP steel with FCC structure.

Original languageEnglish
Title of host publicationProceedings of 2014 International Conference on Material Engineering and Environment Science
EditorsPing Chen
PublisherTrans Tech Publications Ltd.
Pages179-186
Number of pages8
ISBN (Electronic)9783038353300
DOIs
Publication statusPublished - 2014
Externally publishedYes

Publication series

NameApplied Mechanics and Materials
Volume692
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Keywords

  • Deformation mechanism
  • Deformation twinning
  • Dislocation gliding
  • Dynamical mechanical properties
  • Pure iron
  • Strain rate
  • TWIP steel

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