Abstract
The tribological properties of ceramic composites of the system TiN−AlN are studied in the concentration range 10–90% AlN. It was found that materials which contain 25, 50, and 75% AlN have a low friction coefficient. Their rate of wear when paired with steel is neglible—2.9–6.0 μm/km (the wear rate of a steel-steel 024 couple is 1000 μm/km). Thin oxide films are formed during friction at high velocities and pressures. These films have relatively high adhesion with respect to materials of the TiN−AlN system and relatively low adhesion with respect to steel. The films may act as a solid lubricant, thus reducing the friction coefficient and wear. This is particularly true of the materials 25% TiN−75% AlN and 50% TiN−50% AlN.
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Institute for Problems, of Mateirals Science, Ukraine National Academy of Sciences, Kiev. Translated from Poroshkovaya Metallurgiya, Nos. 9–10(109), pp. 104–108, September–October, 1999.
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Mosina, T.V., Panasyuk, A.D., Yuga, A.I. et al. Friction properties of composites of the system TiN−AlN. I. Effect of structure and phase composition of friction and wear of materials of the system TiN−AlN. Powder Metall Met Ceram 38, 517–520 (1999). https://doi.org/10.1007/BF02676071
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DOI: https://doi.org/10.1007/BF02676071