The research aims to investigate the effect of depositing nitride and Si-containing amorphous hydrogenated carbon films on the characteristics of SiAlON-based ceramics experimentally. The effect of TiN/(Ti,Al)N, (Cr,Al,Si)N and (Cr,Al,Si)N/a-C:H:Si coatings on the microrelief and surface defects of ceramics was studied. The nanohardness, plasticity, and coefficient of friction of the ceramic material at room temperature and under heating conditions after applying the mentioned coatings were quantified. Laboratory durability tests of ceramic mills with different coatings during machining a heat-resistant nickel alloy were carried out. A qualitative assessment of the nickel adherence intensity on the work surfaces of ceramic tools during cutting was performed.
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