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The role carbon plays in the martensitic phase transformation of an Fe–Mn–Al alloy

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
48
Issue
3
Identifiers
DOI: 10.1016/s1359-6462(02)00378-0
Keywords
  • Fe–Mn–Al Alloys
  • Quenching
  • Bcc
  • 18R Martensite
  • Carbon

Abstract

Abstract We observed direct evidence that 18R martensite is induced by carbon atoms in the BCC grains of an Fe–27.0wt.%Mn–5.3wt.%Al–0.1wt.%C alloy via high-temperature quenching. A single BCC phase structure formed 18R martensite in the present study. The lowest carbon content found for the formation of 18R martensite is 0.035 wt.% in Fe–Mn–Al alloys.

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