Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices

Manuel Bianco; Stephane Poitel; Jong-Eun Hong; Shicai Yang; Zhujun Wang; Marc Willinger; Robert Steinberger-Wilckens; Jan Van Herle

doi:10.1016/j.corsci.2019.108414

Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices

Manuel Bianco, Stephane Poitel, Jong-Eun Hong, Shicai Yang, Zhujun Wang, Marc Willinger, Robert Steinberger-Wilckens, Jan Van Herle

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

4 Citations (Scopus)

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Abstract

Plasma nitriding was applied to ferritic stainless steel substrates to improve their performances as interconnects for solid oxide fuel cell devices. The samples underwent electrical conductivity test and SEM/EDS, TEM/EDS, environmental-SEM analyses. The first stages of corrosion were recorded in-situ with the e-SEM. Nitriding is effective in limiting the undesired chromium evaporation from the steel substrates and accelerates the corrosion kinetics, but its influence of the electrical conductivity is ambiguous. No intergranular corrosion is found in the steel substrate after long time operation. Nitriding helps commercially competitive porous coating to improve chromium retention properties of metal interconnects.

Original language	English
Article number	108414
Number of pages	10
Journal	Corrosion Science
Volume	165
Early online date	10 Jan 2020
DOIs	https://doi.org/10.1016/j.corsci.2019.108414
Publication status	Published - 1 Apr 2020

Keywords

High temperature corrosion
Nitriding
Oxide coatings
Stainless steel
TEM

ASJC Scopus subject areas

Chemical Engineering (miscellaneous)
Metals and Alloys
Chemical Engineering(all)
Chemistry(all)
Materials Science(all)

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title = "Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices",

abstract = "Plasma nitriding was applied to ferritic stainless steel substrates to improve their performances as interconnects for solid oxide fuel cell devices. The samples underwent electrical conductivity test and SEM/EDS, TEM/EDS, environmental-SEM analyses. The first stages of corrosion were recorded in-situ with the e-SEM. Nitriding is effective in limiting the undesired chromium evaporation from the steel substrates and accelerates the corrosion kinetics, but its influence of the electrical conductivity is ambiguous. No intergranular corrosion is found in the steel substrate after long time operation. Nitriding helps commercially competitive porous coating to improve chromium retention properties of metal interconnects.",

keywords = "High temperature corrosion, Nitriding, Oxide coatings, Stainless steel, TEM",

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T1 - Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices

AU - Bianco, Manuel

AU - Poitel, Stephane

AU - Hong, Jong-Eun

AU - Yang, Shicai

AU - Wang, Zhujun

AU - Willinger, Marc

AU - Steinberger-Wilckens, Robert

AU - Van Herle, Jan

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Plasma nitriding was applied to ferritic stainless steel substrates to improve their performances as interconnects for solid oxide fuel cell devices. The samples underwent electrical conductivity test and SEM/EDS, TEM/EDS, environmental-SEM analyses. The first stages of corrosion were recorded in-situ with the e-SEM. Nitriding is effective in limiting the undesired chromium evaporation from the steel substrates and accelerates the corrosion kinetics, but its influence of the electrical conductivity is ambiguous. No intergranular corrosion is found in the steel substrate after long time operation. Nitriding helps commercially competitive porous coating to improve chromium retention properties of metal interconnects.

AB - Plasma nitriding was applied to ferritic stainless steel substrates to improve their performances as interconnects for solid oxide fuel cell devices. The samples underwent electrical conductivity test and SEM/EDS, TEM/EDS, environmental-SEM analyses. The first stages of corrosion were recorded in-situ with the e-SEM. Nitriding is effective in limiting the undesired chromium evaporation from the steel substrates and accelerates the corrosion kinetics, but its influence of the electrical conductivity is ambiguous. No intergranular corrosion is found in the steel substrate after long time operation. Nitriding helps commercially competitive porous coating to improve chromium retention properties of metal interconnects.

KW - High temperature corrosion

KW - Nitriding

KW - Oxide coatings

KW - Stainless steel

KW - TEM

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JO - Corrosion Science

JF - Corrosion Science

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Corrosion behaviour of nitrided ferritic stainless steels for use in solid oxide fuel cell devices

Abstract

Keywords

ASJC Scopus subject areas

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