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- Title
Initial Stages of Iron-Chromium Alloys Passivation in Acid Sulfate Solutions.
- Authors
Podobaev, A. N.; Reformatskaya, I. I.; Trofimova, E. V.
- Abstract
Upon jumpwise applied “maximal critical passivation potential” (that is, the most positive potential at which Fe-Cr alloys still remain in the state of active-passive transition), chromium can continuously accumulate at the surface because of the selective dissolution of iron atoms. This probability can actualize at a chromium content in the alloy of up to 27.7% and pH < 1.2. Oxygen-containing compounds of bivalent chromium are the passivating agents at pH < 1.2 those of trivlent chromium, at pH ≥ 1.2.
- Subjects
RESEARCH; CHROMIUM iron alloys; IRON alloys; CHROMIUM alloys; SOLUTION (Chemistry); IRON; CHROMIUM; ALLOYS; METALS
- Publication
Protection of Metals, 2005, Vol 41, Issue 6, p536
- ISSN
0033-1732
- Publication type
Article
- DOI
10.1007/s11124-005-0076-2