Thermodynamic assessment of the Al-Fe-Si system

Zi Kui Liu, Y. Austin Chang

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122 Scopus citations


The phase equilibria and thermodynamic properties of the ternary Al-Fe-Si system were analyzed and a complete thermodynamic description of the ternary system was obtained. The thermodynamic descriptions of the three binary systems were taken from the literature. Most of the binary intermetallic phases, except Al13Fe4(θ), FeSi2-L, and FeSi2-H, were assumed to have no ternary solubility. Based on the experimental data, seven stable ternary intermetallic phases were considered in the system. Two of them were treated as semistoichiometric compounds with homogeneity ranges for Al and Si, and the others were treated as stoichiometric compounds. Reasonable agreement was obtained between calculation results and experimental information in the ternary system.

Original languageEnglish (US)
Pages (from-to)1081-1095
Number of pages15
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Issue number4
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys


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