Scientific journal
Название журнала на английском
ISSN 2500-0802
ПИ №ФС77-61154

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ARGENTUM ELECTRODEPOSITION FROM POTASSIUM SILVER THIOCYANATE PLATING SOLUTION WITH PRECENCE OF NANODIAMOND ADDITIVES

Burkat G.K. 1 Safronova I.V. 1
1 St. Petersburg State Technological Institute (technical university)
Silver thiocyanate plating solution is selected, because it have many advantages: it is easy to make, depolarisation of silver occurs mainly from cyanide or mixed complexes, the electrolyte does not contain free cyanide. Dependences of physical-mechanical properties of the silver coatings, obtained from potassium silver thiocyanate plating solution on concentration of nanodiamonds (DNA-TAN) and diamond blend (D.B) are presented. The data on porosity and abrasion resistance are provided. Structure of silver plating (grain size, density), amount of carbon in coating are provided. The concentrations of additives such as DNA-TAN and D.B. for obtaining fine coatings with specified characteristics are selected. Plating solutions for coating with fine physical and mechanical properties (abrasion resistance, hardness, porosity) and for coating with high conductivity are presented in this paper. The concentrations of additives for functional coatings in electronics are chosen (production of coatings for improved conductivity and for maximum reduction of transient resistance in places of electrical contacts).