A quantitative interpretation of the surface segregation in air-exposed intermetallic compounds. A test case UNiAl

I. Jacob, M. Fisher, Z. Hadari

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The first quantitative interpretation of the surface segregation in an air-exposed intermetallic compound, namely UNiAl, has been proposed. The analysis of the experimental data indicates that the driving force for the segregation is associated with the surface free energy of the pure metal constituents of the intermetallic compound. The slope of the surface abundance vs surface energy curve differs by approximately a factor of 8 from the slope predicted by a Boltsmann-type distribution function. The same slope is also derived by analyzing the segregation properties of Zr, Cr and Mn in ZrCr2 and ZrMn2, previously studied by other investigators.

Original languageEnglish
Pages (from-to)1161-1164
Number of pages4
JournalSolid State Communications
Volume49
Issue number12
DOIs
StatePublished - 1 Jan 1984
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry (all)
  • Condensed Matter Physics
  • Materials Chemistry

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