Optimal chemical composition of Fe-Cr-Ni alloys for ultra grain refining by reversion of deformation-induced martensite

Setsuo Takaki, Kouki Tomimura, Seiji Tanimoto, Youichi Tokunaga

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A thermo-mechanical treatment using reversion from deformation-induced martensite to austenite was suggested to obtain ultra-fine grain structures in metastable austenitic stainless steels. And, in order to determine steel composition suitable for the thermo-mechanical treatment, the influence of the Cr and Ni content on deformation-induced transformation from metastable austenite to martensite and successive reversion to austenite was investigated for low carbon Fe-Cr-Ni ternary alloys by means of magnetic analysis. The results are reported. For the Fe-Cr-Ni ternary allows which satisfy certain conditions of composition, we can obtain an almost single structure of reversed austenite by the above thermo-mechanical treatment.

Original languageEnglish
Pages (from-to)1052-1057
Number of pages6
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Issue number6
Publication statusPublished - Jan 1 1988


All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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