Impact properties of low-alloy transformation-induced plasticity-steels with different matrix

T. Hojo, J. Kobayashi, K. Sugimoto

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The effects of matrix types on Charpy impact properties were investigated in Fe–0.2%C–1.5%Si–1.5%Mn (mass%) transformation-induced plasticity steels. The steels with annealed martensite and bainitic ferrite matrix possessed higher upper shelf Charpy impact absorbed energy than the steel with polygonal ferrite and martensitic matrix. In addition, the low ductile–brittle fracture appearance transition temperatures were achieved in annealed martensite and martensite types in comparison with those of other steels.

Original languageEnglish
Pages (from-to)1035-1042
Number of pages8
JournalMaterials Science and Technology (United Kingdom)
Volume32
Issue number10
DOIs
Publication statusPublished - 2016 Jul 2
Externally publishedYes

Keywords

  • Impact properties
  • Microstructure
  • Retained austenite
  • Toughness
  • Transformation-induced plasticity steel

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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