Rapid formation of the sigma phase in 304 stainless steel during friction stir welding

Seung Hwan C. Park, Yutaka S. Sato, Hiroyuki Kokawa, Kazutaka Okamoto, Satoshi Hirano, Masahisa Inagaki

Research output: Contribution to journalArticlepeer-review

207 Citations (Scopus)

Abstract

Rapid formation of the sigma phase in 304 stainless steel during friction was discussed. Friction stir welding of 304 stainless steel was studied. Results showed that sigma formation can be accelerated by the emergence of delta-ferrite at high temperature.

Original languageEnglish
Pages (from-to)1175-1180
Number of pages6
JournalScripta Materialia
Volume49
Issue number12
DOIs
Publication statusPublished - 2003 Dec

Keywords

  • Austenitic stainless steel
  • Friction stir welding
  • Microstructure
  • Sigma phase

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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