PERCOLATION MODEL FOR PASSIVATION IN STAINLESS STEELS.

Karl Sieradzki, R. C. Newman

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

It is well-known that Fe-Cr, Ni-Cr, and Fe-Ni-Cr alloys require about 12 at. % chromium to become 'stainless. ' The transition around 12% Cr is quite abrupt, especially when expressed as the change in passivation potential (E//p). The most important geometrical consideration in this problem is the degree of connectivity of Cr atoms through the three-dimensional (3D) lattice, which is described by percolation theory. The precolation model of passivity the authors have introduced makes more subtle predictions regarding other transitional behavior at different Cr atom concentrations.

Original languageEnglish (US)
Pages (from-to)1979-1980
Number of pages2
JournalJournal of the Electrochemical Society
Volume133
Issue number9
StatePublished - Sep 1986
Externally publishedYes

Fingerprint

Stainless Steel
Passivation
passivity
stainless steels
Stainless steel
atom concentration
Atoms
Chromium
chromium
predictions
atoms

ASJC Scopus subject areas

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

PERCOLATION MODEL FOR PASSIVATION IN STAINLESS STEELS. / Sieradzki, Karl; Newman, R. C.

In: Journal of the Electrochemical Society, Vol. 133, No. 9, 09.1986, p. 1979-1980.

Research output: Contribution to journalArticle

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