Hydrogen induced delayed fracture of ultrafine grained 0.6% O steel with dispersed oxide particles

Y. Kimura, Y. Sakai, T. Hara, A. Belyakov, K. Tsuzaki

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The hydrogen induced delayed fracture of ultrafine grained 0.6% O steel with dispersed oxide particles was discussed. The MM of 0.6% O steel powder followed by consolidation at 700 °C resulted in the ultrafine grained steel having an average ferrite grain size of 0.3 μm and the dispersion of Cr 2O3 particles of 10 nm. It was found that the grained steel exhibit high resistance to hydrogen embrittlement at the tensile strength of 1300 MPa by hydrogen trapping effect related to the nanosize oxide particles.

Original languageEnglish
Pages (from-to)1111-1116
Number of pages6
JournalScripta Materialia
Volume49
Issue number11
DOIs
Publication statusPublished - Dec 1 2003

Fingerprint

Steel
Oxides
Hydrogen
steels
oxides
hydrogen
hydrogen embrittlement
Hydrogen embrittlement
consolidation
high resistance
Consolidation
Powders
tensile strength
Ferrite
ferrites
Tensile strength
grain size
trapping
Ultrafine

All Science Journal Classification (ASJC) codes

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

Cite this

Hydrogen induced delayed fracture of ultrafine grained 0.6% O steel with dispersed oxide particles. / Kimura, Y.; Sakai, Y.; Hara, T.; Belyakov, A.; Tsuzaki, K.

In: Scripta Materialia, Vol. 49, No. 11, 01.12.2003, p. 1111-1116.

Research output: Contribution to journalArticle

Kimura, Y. ; Sakai, Y. ; Hara, T. ; Belyakov, A. ; Tsuzaki, K. / Hydrogen induced delayed fracture of ultrafine grained 0.6% O steel with dispersed oxide particles. In: Scripta Materialia. 2003 ; Vol. 49, No. 11. pp. 1111-1116.
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