Phase Equilibria in Fe-Mn-AI-C Alloys

Kiyohito Ishida, Hiroshi Ohtani, Naoya Satoh, Ryosuke Kainuma, Taiji Nishizawa

Research output: Contribution to journalArticlepeer-review

102 Citations (Scopus)

Abstract

Phase constitutions of Fe-(20-30)wt%Mn-(0-10)wt%AI-C alloys have been investigated by electron probe microanalysis and transmission electron microscopy. The phase relations between austenite and perovskite carbide, (Fe, Mn)3AIC in the temperature range of 900-1 200°C have been carefully examined. An L12-type ordered structure, which was reported to be formed in rapidly solidified alloys as a metastable phase has not been detected in specimens aged at temperatures above 600°C.

Original languageEnglish
Pages (from-to)680-686
Number of pages7
JournalIsij International
Volume30
Issue number8
DOIs
Publication statusPublished - 1990

Keywords

  • Fe-Mn-AI-C system
  • modulated structure
  • perovskite carbide
  • phase diagram

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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