Advances in the study of passive films on stainless steels: From real to artificial passive films and now from artificial to real passive films

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

Studies of passive films on stainless steels are reviewed from the viewpoint of developing new resources-saved stainless steels (green stainless steels). Starting from the overview of the results of in-situ analyses for the thickness and chemical composition of real passive films, there are describing some important findings obtained from the model experiments using artificial passive films and ion-beam-sputter deposited Fe-Cr thin films, which simulate real passive films and ideal stainless steels, respectively. Finally, recent studies on the pit initiation mechanism at sulfide inclusions and on the improvement of pitting resistance by removal of the inclusions from steel surface are introduced to demonstrate a possibility of developing green stainless steels.

Original languageEnglish
Pages (from-to)212-218
Number of pages7
JournalZairyo to Kankyo/ Corrosion Engineering
Volume59
Issue number6
DOIs
Publication statusPublished - 2010 Jun

Keywords

  • Artificial passive film
  • Chemical composition
  • Corrosion resistance
  • Film thickness
  • Micro electrochemical probe
  • Pitting corrosion
  • Real passive film
  • Stainless steel
  • Sulfide inclusion

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrochemistry
  • Materials Chemistry

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