Abstract
An electrolytic method of deposition of composite abrasive-wear-resistant coatings based on nickel containing microparticles of zirconium dioxide with a dispersion of 120–200 microns in a metal matrix is proposed. A device for the application of a nickel abrasive-wear-resistant coating and a technological process diagram have been developed, which ensures uniform introduction of particles into the coating with the formation of the so-called «abrasive knife». The results of a metallographic study of the structure, micro-х-ray spectral analysis of a nickel matrix and tests of the coating for thermal cyclic resistance and penetration (abrasion of the sealing material) are presented.
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