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

Toshihiro Tsuchiyma; Hidenori Takebe; Koichi Tsuboi; Setsuo Takaki

doi:10.1016/j.scriptamat.2010.01.042

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

Toshihiro Tsuchiyma, Hidenori Takebe, Koichi Tsuboi, Setsuo Takaki

Materials Processing

Research output: Contribution to journal › Article › peer-review

10 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 language	English
Pages (from-to)	731-734
Number of pages	4
Journal	Scripta Materialia
Volume	62
Issue number	10
DOIs	https://doi.org/10.1016/j.scriptamat.2010.01.042
Publication status	Published - May 1 2010

All Science Journal Classification (ASJC) codes

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

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AU - Tsuchiyma, Toshihiro

AU - Takebe, Hidenori

AU - Tsuboi, Koichi

AU - Takaki, Setsuo

PY - 2010/5/1

Y1 - 2010/5/1

N2 - 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.

AB - 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.

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JF - Scripta Materialia

SN - 1359-6462

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ER -

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

Abstract

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