Schaeffler diagram for high Mn steels

Sukjin Lee, Chan Young Lee, Young Kook Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The microstructures of 50 high Mn steels, which were annealed at approximately 1000 °C and then water quenched, were predicted using the original Schaeffler diagram, the modified Schaeffler diagram with shifted phase boundaries, and equations for Cr and Ni equivalents. Although the modified Schaeffler diagram showed better microstructural predictions compared with the original Schaeffler diagram, it still had a lack of accuracy in microstructural prediction, particularly single austenite, austenite + ferrite, and austenite + ferrite + martensite microstructures. However, the adjustment of the Al coefficient for the Cr equivalent greatly improved the accuracy of microstructural prediction. As a result, the modified Schaeffler diagram, which was plotted with the Cr equivalent, calculated with a new coefficient of Al (3.5), exhibited the best prediction of the microstructures of high Mn steels, except for a few alloys with ε-martensite.

Original languageEnglish
Pages (from-to)46-49
Number of pages4
JournalJournal of Alloys and Compounds
Volume628
DOIs
Publication statusPublished - 2015 Apr 15

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Steel
Austenite
Martensite
Microstructure
Ferrite
Phase boundaries
Water

All Science Journal Classification (ASJC) codes

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

Cite this

Lee, Sukjin ; Lee, Chan Young ; Lee, Young Kook. / Schaeffler diagram for high Mn steels. In: Journal of Alloys and Compounds. 2015 ; Vol. 628. pp. 46-49.
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Schaeffler diagram for high Mn steels. / Lee, Sukjin; Lee, Chan Young; Lee, Young Kook.

In: Journal of Alloys and Compounds, Vol. 628, 15.04.2015, p. 46-49.

Research output: Contribution to journalArticle

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