Abstract
Wear-resistant iron-nickel coating has been obtained by chemical vapor deposition of nickel tetracarbonyl and iron pentacarbonyl. A procedure of application of wear-resistant iron-nickel coating on precision parts has been developed where at first the surface of the item is coated with an adhesive layer of nickel coating with the thickness up to 10 μm by supplying vapor of nickel tetracarbonyl to the heated surface of the item, and then an adhesive layer of iron-nickel coating is applied by supplying a vapor mixture of nickel tetracarbonyl, iron pentacarbonyl, and carbon monoxide in a volumetric ratio of 1: 6: 15 and their combined thermal decomposition. Coatings with the required physicomechanical properties have been obtained, thus indicating the efficiency of the used approaches, increasing the wear resistance of precision items of hydraulic systems and their service life.
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