Abstract
In the present study, the titanium nitride coating with a thickness of over 500 μm was prepared via reactive plasma spraying (denoted as RPS). The tribological properties of the TiN coating under non-lubricated condition were studied, and were compared with that of the AISI M2 high-speed steel. The results shown that the RPS TiN coating was superior to the high-speed steel in wear resistance under non-lubricated condition. The volumetric wear loss of the TiN coating was two-fifths of that for the M2 steel at load of 1470 N; while the friction coefficient (FC) of the M2 steel was about 18.5 times of the TiN coating at load of 1470 N.
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