Abstract
In the work presents the results of a study of the influence of the effect of a continuous ion beam of the composition (Ar++Zr+) with an ion energy E ≈ 20 keV and an irradiation dose D ≈ 5·1017 ion/cm2 on the phase composition, chemical state, microhardness, wear resistance during friction against an abrasive and corrosion resistance of tungsten-free hard alloys of the TiC – TiNi system. Analysis of the structure, morphology, and chemical state of the samples before and after ion treatment was carried out using scanning electron and scanning probe microscopy, as well as X-ray photoelectron spectroscopy and X-ray diffraction analysis. The features of the change in the physicochemical state of the tungsten-free hard alloy of the “TiC – TiNi” system subjected to continuous ion beam irradiation are revealed. It has been experimentally established that ion-beam treatment provides an increase in microhardness, wear resistance and corrosion resistance of the hard alloy.
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