APPLICATION METHOD OF COMPOSITE ELECTROLYTIC COATINGS Russian patent published in 2013 - IPC C25D15/00 

FIELD: metallurgy.

SUBSTANCE: proposed invention can be used for application of composite electrolytic coatings from silver, which contain detonation synthesis ultradispersed diamonds (DSUD), to products from steel, bronze and other metals. The above method also involves introduction to dicyanoargentate silver-coating electrolyte of water suspension with DSUD and electric deposition of the coating on products; at that, prior to introduction of DSUD suspension to the electrolyte, it is treated with electrohydraulic impacts, clarified and added to the electrolyte, without any penetration of the deposit; after that, sine-wave alternating asymmetric voltage is supplied to electrodes with the half-period equal to application of single monoatomic coating layer, with the ratio of anode and cathode currents and equals to 1.2; 2.0; 4.0; 6.0; 8.0; 10.0, and by performing the successive electric deposition for at least two ratios with one hour each; at that, the coating thickness is determined during application process by weighing the product, and electric deposition is stopped when the specified thickness of the coating is achieved.

EFFECT: increasing DSUD surface activity, strength and durability of electrolytic coatings.

3 cl, 1 ex