Microelectrochemical investigation of pit initiation and selective dissolution between MnS and stainless steel

Aya Chiba, Izumi Muto, Yu Sugawara, Nobuyoshi Hara

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

In a solution with Cl-ions, the trench at the MnS/steel boundary was found to be formed by the dissolution of the stainless steel as a precursor of pit initiation. The synergistic effect of the MnS dissolution products with Cl-ions caused dissolution on the stainless steel side of the boundary. The proposed pit initiation mechanism at the MnS inclusions is follows: 1) the dissolution of the stainless steel is caused by the synergistic effect of the MnS dissolution products with Cl-ions, which made the trench at the boundary; 2) the pits initiate in this trench because the trench is the occluded area, and the preferred site for pit initiation.

本文言語English
ホスト出版物のタイトルECS Transactions
出版社Electrochemical Society Inc.
ページ15-23
ページ数9
47
ISBN(電子版)9781607685395
DOI
出版ステータスPublished - 2013

出版物シリーズ

名前ECS Transactions
番号47
50
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

ASJC Scopus subject areas

  • 工学(全般)

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