The role of applied stress in the anodic dissolution of sulfide inclusions and pit initiation of stainless steels

Shimpei Tokuda; Izumi Muto; Yu Sugawara; Nobuyoshi Hara

doi:10.1016/j.corsci.2021.109312

The role of applied stress in the anodic dissolution of sulfide inclusions and pit initiation of stainless steels

Shimpei Tokuda, Izumi Muto, Yu Sugawara, Nobuyoshi Hara

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

Abstract

Anodic dissolution of bulk (Mn, Cr, Fe)S was accelerated under applied stress. Despite the slight increase in transpassive dissolution of bulk Cr₂S₃ under stress, no difference in polarization behavior of bulk Ti₄C₂S₂ was observed under the stress and no-stress conditions. Under applied stress, a decrease in the pitting potential of the stainless steel with (Mn, Cr, Fe)S inclusions was confirmed. For the steel with CrS inclusions, pitting was initiated in the transpassive region, and the pitting potential decreased under applied stress. The pitting potential of the stainless steel with Ti₄C₂S₂ inclusions did not change under the stress and no-stress conditions.

Original language	English
Article number	109312
Journal	Corrosion Science
Volume	183
DOIs	https://doi.org/10.1016/j.corsci.2021.109312
Publication status	Published - 2021 May 1

Keywords

Applied stress
Pitting corrosion
Stainless steel
Sulfide inclusion

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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title = "The role of applied stress in the anodic dissolution of sulfide inclusions and pit initiation of stainless steels",

abstract = "Anodic dissolution of bulk (Mn, Cr, Fe)S was accelerated under applied stress. Despite the slight increase in transpassive dissolution of bulk Cr2S3 under stress, no difference in polarization behavior of bulk Ti4C2S2 was observed under the stress and no-stress conditions. Under applied stress, a decrease in the pitting potential of the stainless steel with (Mn, Cr, Fe)S inclusions was confirmed. For the steel with CrS inclusions, pitting was initiated in the transpassive region, and the pitting potential decreased under applied stress. The pitting potential of the stainless steel with Ti4C2S2 inclusions did not change under the stress and no-stress conditions.",

keywords = "Applied stress, Pitting corrosion, Stainless steel, Sulfide inclusion",

author = "Shimpei Tokuda and Izumi Muto and Yu Sugawara and Nobuyoshi Hara",

note = "Funding Information: This work was supported by JSPS KAKENHI grant numbers JP17H01331 and JP19J11684 from the Japanese Society for the Promotion of Science . The first author (S. Tokuda) was supported through the Program for Leading Graduate Schools , “Interdepartmental Doctoral Degree Program for Multi-dimensional Materials Science Leaders,” by the Ministry of Education, Culture, Sports, Science and Technology-Japan . Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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doi = "10.1016/j.corsci.2021.109312",

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AU - Tokuda, Shimpei

AU - Muto, Izumi

AU - Sugawara, Yu

AU - Hara, Nobuyoshi

N1 - Funding Information: This work was supported by JSPS KAKENHI grant numbers JP17H01331 and JP19J11684 from the Japanese Society for the Promotion of Science . The first author (S. Tokuda) was supported through the Program for Leading Graduate Schools , “Interdepartmental Doctoral Degree Program for Multi-dimensional Materials Science Leaders,” by the Ministry of Education, Culture, Sports, Science and Technology-Japan . Publisher Copyright: © 2021 Elsevier Ltd

PY - 2021/5/1

Y1 - 2021/5/1

N2 - Anodic dissolution of bulk (Mn, Cr, Fe)S was accelerated under applied stress. Despite the slight increase in transpassive dissolution of bulk Cr2S3 under stress, no difference in polarization behavior of bulk Ti4C2S2 was observed under the stress and no-stress conditions. Under applied stress, a decrease in the pitting potential of the stainless steel with (Mn, Cr, Fe)S inclusions was confirmed. For the steel with CrS inclusions, pitting was initiated in the transpassive region, and the pitting potential decreased under applied stress. The pitting potential of the stainless steel with Ti4C2S2 inclusions did not change under the stress and no-stress conditions.

AB - Anodic dissolution of bulk (Mn, Cr, Fe)S was accelerated under applied stress. Despite the slight increase in transpassive dissolution of bulk Cr2S3 under stress, no difference in polarization behavior of bulk Ti4C2S2 was observed under the stress and no-stress conditions. Under applied stress, a decrease in the pitting potential of the stainless steel with (Mn, Cr, Fe)S inclusions was confirmed. For the steel with CrS inclusions, pitting was initiated in the transpassive region, and the pitting potential decreased under applied stress. The pitting potential of the stainless steel with Ti4C2S2 inclusions did not change under the stress and no-stress conditions.

KW - Applied stress

KW - Pitting corrosion

KW - Stainless steel

KW - Sulfide inclusion

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The role of applied stress in the anodic dissolution of sulfide inclusions and pit initiation of stainless steels

Abstract

Keywords

ASJC Scopus subject areas

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