Title: New eutectic powder materials and alloys and procedures for wear resistant coatings deposition

Authors: V.M Golubets

Addresses: Dr.Sci.(Technol.), Karpenko Physico-Mechanical Institute of the Ukrainian SSR Academy of Sciences, 290601 Lviv, USSR

Abstract: A new approach concerning improvement of wear resistance of metallic structural materials, by the appropriate method of crystallization of melts, prepared of powder eutectic iron-based compositions (a Fe-Nn-C-B system) is proposed in the paper. Development of powder materials is based on the content of one or more elements in mixture, that form eutectic with strengthening metal (in our case it is C or B) as well as fusible metals with Tmelt • ≤ Teut (f.ex.Fe, Mn). Eutectic wear resistant powder coating is applied by overlaying and centrifugal bimetallization using heating by high frequency current (HPC), spraying by gas-thermal equipment (plasma, flame, impulse-plasma and some other methods of spraying) and also by electric-spark alloying using eutectic alloy electrodes. Surface layers can be applied on the steel and iron pieces. Application of powder materials alloys to obtain surface layers with eutectic amorphous and microcrystalline structures. Export supplies of powders or equipment for flame, plasma and impulse-plasma (||Impulse 14|| equipment) application of surface layers, electric-spark alloying (||Electron|| equipment), centrifugal bimetallization as well as technical data on the technological process of application of eutectic coatings on the plane specimens HFC heating are provided.

Keywords: eutectic powder materials; alloys, coatings deposition; coating application technology; gas-thermal spraying; electric spark alloying; heating; HF currents; wear resistance; melt crystallisation; eutectic coatings.

DOI: 10.1504/IJMPT.1993.036567

International Journal of Materials and Product Technology, 1993 Vol.8 No.2/3/4, pp.200 - 203

Published online: 04 Nov 2010 *

Full-text access for editors Full-text access for subscribers Purchase this article Comment on this article