Preparation of composite electrochemical nickel-diamond and iron-diamond coatings in the presence of detonation synthesis nanodiamonds

In the work it is shown that addition of individual pure detonation synthesis nanodiamonds to nickel- and iron-plating electrolytes results in an increase in microhardness (2-3.5 times) and wear-resistance (3-6 times) and a decrease in porosity (3-4 times) of a coating. The use of nanodiamonds as a component of diamond-containing blend (a semi-product of synthesis of the nanodiamonds) results in deterioration of all of the above properties for a nickel-diamond coating and great improvement of the same properties for an iron-diamond coating. (c) 2005 Elsevier B.V. All rights reserved.