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High-temperature thermodynamic characteristics of zirconium mononitride in its homogeneity range

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    The enthalpy of zirconium mononitride in its homogeneity range at temperatures of 1200–2300°K was studied for the first time by the mixing method.

  2. 2.

    Calculations were made, by a new method, of the composition and temperature dependence of enthalpy and heat capacity for zirconium nitride. Using the results obtained, it is possible to determine these characteristics for any composition ZrN1−x in the homogeneity range of the compound. Comparison of the levels of heat capacity for zirconium carbide and zirconium nitride of the same nonmetallic component content leads to the conclusion that zirconium nitride is characterized by lower strength of chemical linkage compared with the corresponding carbide.

  3. 3.

    Values of the principal thermodynamic characteristics of zirconium monocarbide in the temperature range 298–2500°K recommended for practical use are set out in a table.

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukrain

    A. S. Bolgar, V. F. Litvinenko, L. A. Kizhikina, I. I. Timofeeva & O. P. Kulik

Authors
  1. A. S. Bolgar
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  2. V. F. Litvinenko
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  3. L. A. Kizhikina
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  4. I. I. Timofeeva
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  5. O. P. Kulik
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Translated from Poroshkovaya Metallurigya, No. 11(167), pp. 48–53, November, 1976.

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Bolgar, A.S., Litvinenko, V.F., Kizhikina, L.A. et al. High-temperature thermodynamic characteristics of zirconium mononitride in its homogeneity range. Powder Metall Met Ceram 15, 857–861 (1976). https://doi.org/10.1007/BF00791782

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  • DOI: https://doi.org/10.1007/BF00791782

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