Conclusions
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1.
A study was made of the high-temperature oxidation of dense titanium nitride specimens in air at temperatures ranging from 500 to 1200°C.
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2.
It was established that the oxidation of TIN is accompanied by titanium and nitrogen liberation, which is a consequence of the specific character of the formation of oxynitride phases during the dissolution of oxygen in the lattice of the nitride.
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3.
It was found that the good oxidation resistance of TIN over the temperature range 500–1200°C is due to the formation at the scale/nitride boundary of a layer of an oxynitride phase having a larger lattice constant and higher microhardness compared with TiN.
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Translated from Poroshkovaya Metallurgiya, No. 7 (151), pp. 57–62, July, 1975.
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Voitovich, R.F., Pugach, É.A. High-temperature oxidation of the nitrides of the Groups IV and V transition metals. Powder Metall Met Ceram 14, 562–566 (1975). https://doi.org/10.1007/BF00810992
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DOI: https://doi.org/10.1007/BF00810992