Abstract
The coatings based on molybdenum nitride have been obtained by vacuum arc plasma-assisted method and have been investigated in a complex. For generation of gas-metal plasma two types of plazmagenerator were used: arc evaporator based on self-sustained arc discharge with cathode spot and a source of gas plasma on the basis of the non-self-sustained arc discharge with the combined hot and hollow cathode. The influence of the modes of plasma assistance on characteristics, composition and structure of MoN coatings was studied. It is revealed that the increase of arc current of a gas plasma source leads to increase in a share of nitrogen in gas-metal plasma, to increase the concentration of nitrogen in a coating, to increase in a share of molybdenum nitrides in coating and significant improvement of characteristics: to increase of hardness and wear resistance.
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