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 language | English |
|---|---|
| Pages (from-to) | 212-218 |
| Number of pages | 7 |
| Journal | Zairyo to Kankyo/ Corrosion Engineering |
| Volume | 59 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 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