Abstract

Phase composition, structure, physicomechanical and corrosion-electrochemical properties of composite electroplates containing nickel with silicon or chromium dispersed phase are studied. The dependences of dispersed phase content in the coatings on the suspension concentration and the plating current density are determined. It is shown that the homogenizing annealing of Ni–Si coatings leads to the formation of new superhard Ni3Si phase. The corrosion-electrochemical behavior of composite electroplates in 0.5 M H2SO4 and the deposition kinetics of Ni-based composite coating are studied.

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