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Topic description and teaching suggestions: Thermochemical diagrams are important means to predict the stability of a material under given conditions and readily supply graphical information on the results of equilibrium calculations. As tutorial work, students may be trained to construct a simple thermochemical diagram (e.g., for a ceramic material such as SiO2, Si3N4, BN) at a given temperature from the pertinent set of Gibbs energies of formation for all the condensed phases and gaseous species known for the system.

Useful bibliography


  • D.

    R. Gaskell,“Introduction to the thermodynamics of materials”, 4th edition, Taylor & Francis, New York, 2003.

  • P.

    Haasen, (ed.) Materials Science and Technology. A Comprehensive Treatment-Volume 5 “Phase transformations in materials”, R.W. Cahn (ed), P Haasen (ed) E.J Kramer, (ed), VCH, 1990

  • N.

    Birks, G.H. Meier, "Introduction to High Temperature Oxidation of Metals", Edward Arnold Publisher, London, 1983; see chapter 2 and references cited therein. Consult the new enlarged edition: N. Birks, F.S.Pettit, G.H. Meier, "Introduction to High Temperature Oxidation of Metals”, Cambridge University Press, Cambridge, 2006, pp. 272 ; chapter 2.

  • A.

    H Heuer, and V.L.K Lou, “Volatility diagrams for silica and silicon carbide and their application to high-temperature decomposition and oxidation”, J. Am. Ceram. Soc. 73 (1990) 2785-3128

  • V.

    L.K Lou, and A.H. Heuer, “Graphical displays of the thermodynamics of high-temperature gas- solid reactions and their application to oxidation of metals and evaporation of oxides”, J. Am. Ceram. Soc. 68 (1985) 49-58, a review

  • T.

    Reed, "Free Energy of Formation of Binary Compounds: An Atlas of Charts for High- Temperature Chemical Calculations", MIT Press, Cambridge Mass, 1971; very useful booklet

  • E.

    A. Gulbransen and S.A Jansson, in “Heterogeneous kinetics at elevated temperatures”, ed. G.R Belton, and W.F Worrell, Plenum Press, New York, 1970

Additional reading: N.S. Jacobson “Carbothermal reduction of silica in high temperature materials” in: Applications

of thermodynamics in the synthesis and processing of materials, edited by P.Nash and B. Sundman, The Minerals, Metals & Materials Society, Warrendale, PA. 1995, pp. 19-27


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