Short range order diffuse intensity calculations in the cluster variation method

T. Mohri, J. M. Sanchez, D. De Fontaine

Research output: Contribution to journalArticlepeer-review

69 Citations (Scopus)

Abstract

The Cluster Variation Method (CVM) in the Tetrahedron-Octahedron approximation is used to calculate the short range order diffuse intensity distribution for binary ordered alloys. The results are compared to those derived by the Krivoglaz-Clapp-Moss (KCM) formula for various stoichiometric concentrations and temperatures. The CVM produces sharper diffuse intensity spectra than does the KCM formula, and better conserves the constancy of the integrated intensity. Use of the CVM further insures that the calculated short-range order intensity is consistent with derived phase diagrams and instability temperatures.

Original languageEnglish
Pages (from-to)1463-1474
Number of pages12
JournalActa Metallurgica
Volume33
Issue number8
DOIs
Publication statusPublished - 1985 Aug

ASJC Scopus subject areas

  • Engineering(all)

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