Analysis of recrystallization behavior of hot-deformed austenite reconstructed from electron backscattering diffraction orientation maps of lath martensite

Manabu Kubota, Kohsaku Ushioda, Goro Miyamoto, Tadashi Furuhara

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

The recrystallization behavior of hot-deformed austenite of a 0.55% C steel at 800 °C was investigated by a method of reconstructing the parent austenite orientation map from an electron backscattering diffraction orientation map of lath martensite. Recrystallized austenite grains were clearly distinguished from un-recrystallized austenite grains. Very good correlation was confirmed between the static recrystallization behavior investigated mechanically by double-hit compression tests and the change in austenite microstructure evaluated by the reconstruction method. The recrystallization behavior of hot-deformed 0.55% C steel at 800 °C is directly revealed and it was observed that by addition of 0.1% V the recrystallization was significantly retarded.

Original languageEnglish
Pages (from-to)92-95
Number of pages4
JournalScripta Materialia
Volume112
DOIs
Publication statusPublished - 2016 Feb

Keywords

  • Austenite
  • Electron backscattering diffraction
  • Martensite
  • Recrystallization
  • Steels

ASJC Scopus subject areas

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

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