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Diffusivity of nitrogen in chromium subnitride “Cr2N”

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Abstract

The intrinsic diffusivity of nitrogen in chromium subnitride, Cr2N, has been measured, by a thermogravimetric technique, over a range of nitrogen pressures at temperatures from 1050 to 1250°C. The diffusivity varies with the composition of the nitride. The values obtained for the diffusion coefficient are in agreement with previously reported values obtained by the author from kinetic measurements of the reaction of nitrogen with chromium. The results confirm that Wagner's theory of oxidation may be used to calculate diffusivities.

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References

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Authors and Affiliations

  1. Department of Defence, Aeronautical Research Laboratories, Defence Science and Technology Organization, Melbourne, Australia

    T. Mills

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  1. T. Mills
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Mills, T. Diffusivity of nitrogen in chromium subnitride “Cr2N”. Oxid Met 15, 447–454 (1981). https://doi.org/10.1007/BF00603536

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  • DOI: https://doi.org/10.1007/BF00603536

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