Electrodeposition of cermets

Modern engineering requirements are frequently near the limits of application of conventional materials. For many purposes, particularly tribological, the most satisfactory solution is frequently the application of a resistant coating to the surface of a common metal. Electrodeposited cermet coatings have proved very satisfactory: some of the factors underlying the cernet electrodeposition process have been investigated. A ceramic particle in contact with an electrolyte solution will carry a charge which may affect the kinetics of the suspended particle under electroplating conditions. Measurerment has been made of this charge on particles of silicon carbide, chrornium diboride and quartz, in contiact with solutions of copper sulphate/ sulphuric acid in terms of the electrokinetic (zeta) potential and also as surface charge density. The methocl used was that of streaming potential and streaming current measurement

Electrodeposition of cermets

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