Surface-layer microstructure control for metastable austenitic stainless steel to prevent hydrogen permeation

Toshihiro Tsuchiyma, Hidenori Takebe, Koichi Tsuboi, Setsuo Takaki

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Solution nitriding was applied to type 304 stainless steel plate to make the austenite phase in the surface layer stable against cold rolling. Through this treatment, we could produce a structure-gradient stainless steel plate where an austenitic structure exists in the surface layer while a large fraction of deformation-induced martensitic structure is dispersed inside the plate. This surface-layer microstructure control significantly suppressed the permeation of hydrogen from the atomosphere owing to the low diffusivity of hydrogen in the stable austenitic surface layer.

Original languageEnglish
Pages (from-to)731-734
Number of pages4
JournalScripta Materialia
Volume62
Issue number10
DOIs
Publication statusPublished - May 1 2010

Fingerprint

austenitic stainless steels
Austenitic stainless steel
Permeation
Hydrogen
surface layers
microstructure
Microstructure
Stainless Steel
hydrogen
stainless steels
Stainless steel
cold rolling
nitriding
Nitriding
Cold rolling
austenite
Austenite
diffusivity
gradients

All Science Journal Classification (ASJC) codes

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

Cite this

Surface-layer microstructure control for metastable austenitic stainless steel to prevent hydrogen permeation. / Tsuchiyma, Toshihiro; Takebe, Hidenori; Tsuboi, Koichi; Takaki, Setsuo.

In: Scripta Materialia, Vol. 62, No. 10, 01.05.2010, p. 731-734.

Research output: Contribution to journalArticle

Tsuchiyma, Toshihiro ; Takebe, Hidenori ; Tsuboi, Koichi ; Takaki, Setsuo. / Surface-layer microstructure control for metastable austenitic stainless steel to prevent hydrogen permeation. In: Scripta Materialia. 2010 ; Vol. 62, No. 10. pp. 731-734.
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