Calculation of quasibinary and quasiternary oxyntiride systems-IV

Larry Kaufman, Fred Hayes, Dunbar P Birnie

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

A data base is being developed for calculation of quasi-binary and quasi-ternary phase diagrams of ceramic systems (1-3). Previous segments of this base cover combinations of Cr2O3, MgO, Al2O3, Fe2O3, Fe3O4, "FeO", SiO2, CaO, Si3N4 and AlN. Lattice Stability, Solution and Compound Phase Parameters were derived covering the liquid, spinel, corundum, periclase, crystobalite, tridymite, quartz, hexagonal and beta prime phases which appear in the binary systems composed of pairs of these compounds. Compound phases formed from specific binary combinations of these compounds (i.e. MgO·Cr203) were also characterized. This description is based on observed thermochemistry and phase diagrams for the binary systems of interest. Selected ternary systems have been computed based on the foregoing data base for comparison with experimental sections in order to illustrate the usefulness of the data base. The present paper extends the data base to cover BeO, Y2O3 and Ce2O3 additions. Moreover, ternary sections in the SiO2-MgO-Si3N4, SiO2-Y2O3-Si3N4 and SiO2-Ce2-O3-Si3N4 were calculated between 1900K and 2100K for comparison with experiment.

Original languageEnglish
Pages (from-to)163-184
Number of pages22
JournalCalphad
Volume5
Issue number3
DOIs
Publication statusPublished - 1981

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Phase diagrams
Systems (metallurgical)
Thermochemistry
Corundum
Ternary systems
Quartz
Aluminum Oxide
Liquids
Silicon Dioxide
Experiments
silicon nitride

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Calculation of quasibinary and quasiternary oxyntiride systems-IV. / Kaufman, Larry; Hayes, Fred; Birnie, Dunbar P.

In: Calphad, Vol. 5, No. 3, 1981, p. 163-184.

Research output: Contribution to journalArticle

Kaufman, Larry ; Hayes, Fred ; Birnie, Dunbar P. / Calculation of quasibinary and quasiternary oxyntiride systems-IV. In: Calphad. 1981 ; Vol. 5, No. 3. pp. 163-184.
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