The effect of interstitial N on grain boundary cohesive strength in Fe

Miyoung Kim, Clint B. Geller, Arthur J Freeman

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The effect of interstitial N on the cohesion of an Fe Σ3[110](111) grain boundary (GB) was investigated by ab-initio electronic structure calculations to reveal that free interstitial N produces a large strengthening energy, reduces the magnetic moments of the GB Fe atoms and is embrittling at the GB's.

Original languageEnglish
Pages (from-to)1341-1343
Number of pages3
JournalScripta Materialia
Volume50
Issue number10
DOIs
Publication statusPublished - May 2004

Fingerprint

interstitials
Grain boundaries
grain boundaries
cohesion
Magnetic moments
Electronic structure
magnetic moments
electronic structure
Atoms
atoms
energy

Keywords

  • Ab-initio calculation
  • Composition Fe steel
  • Embrittlement
  • FLAPW
  • Grain boundaries

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Metals and Alloys

Cite this

The effect of interstitial N on grain boundary cohesive strength in Fe. / Kim, Miyoung; Geller, Clint B.; Freeman, Arthur J.

In: Scripta Materialia, Vol. 50, No. 10, 05.2004, p. 1341-1343.

Research output: Contribution to journalArticle

Kim, Miyoung ; Geller, Clint B. ; Freeman, Arthur J. / The effect of interstitial N on grain boundary cohesive strength in Fe. In: Scripta Materialia. 2004 ; Vol. 50, No. 10. pp. 1341-1343.
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