Increasing the wear resistance of surface layers of high-speed steel by electric-spark alloying and laser treatment

How the combined action of high-energy spark alloying and laser treatment a ffect the wear resistance of high-speed steel cutting tools has been studie d. Thar action has been found to form a strengthened layer of composite ref ractory compounds on the tool surface. thus making it hard and wear-resista nt and create a properties barrier that reduces the adhesive interaction of the cutting tool with a chip. The tribological properties and the durabili ty of the cutting tool can be enhanced by allowing the surface layer with e lements and compounds that form stable oxides tightly bonded to the substra te.