Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel

Tae Ho Lee, Sung Tae Kim, Hae Jung Bang, Chang Seok Oh, Sung Joon Kim, Setsuo Takaki

Research output: Contribution to journalArticle

Abstract

The effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic Fe-18Cr-18Mn-2Mo-0.9N steel was investigated with a particular emphasis on deformation twinning. Based on the crystallographic analysis in the stereographic projection, the orientation relationship between austenite (γ) matrix and Cr2N was determined to be [110] γ/[1script m sign100]Cr2N and (11̄1) γ //(0001)Cr2N. The deformation twinning had {111} 〈112̄〉 crystallographic component similar to that of cellular Cr2N. The cellular Cr2N precipitates caused a different orientation dependence of deformation twinning: only one twinning system in the 〈111〉 grain was activated almost parallel to the growth direction of Cr2N.

Original languageEnglish
Pages (from-to)161-164
Number of pages4
JournalKey Engineering Materials
Volume345-346 I
Publication statusPublished - May 21 2007

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Twinning
Austenitic stainless steel
Nitrogen
Microstructure
Steel
Crystal orientation
Austenite
Precipitates

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Lee, T. H., Kim, S. T., Bang, H. J., Oh, C. S., Kim, S. J., & Takaki, S. (2007). Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel. Key Engineering Materials, 345-346 I, 161-164.

Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel. / Lee, Tae Ho; Kim, Sung Tae; Bang, Hae Jung; Oh, Chang Seok; Kim, Sung Joon; Takaki, Setsuo.

In: Key Engineering Materials, Vol. 345-346 I, 21.05.2007, p. 161-164.

Research output: Contribution to journalArticle

Lee, TH, Kim, ST, Bang, HJ, Oh, CS, Kim, SJ & Takaki, S 2007, 'Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel', Key Engineering Materials, vol. 345-346 I, pp. 161-164.
Lee TH, Kim ST, Bang HJ, Oh CS, Kim SJ, Takaki S. Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel. Key Engineering Materials. 2007 May 21;345-346 I:161-164.
Lee, Tae Ho ; Kim, Sung Tae ; Bang, Hae Jung ; Oh, Chang Seok ; Kim, Sung Joon ; Takaki, Setsuo. / Effect of Cr2N precipitation on deformed microstructure in high nitrogen austenitic stainless steel. In: Key Engineering Materials. 2007 ; Vol. 345-346 I. pp. 161-164.
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