High-efficiency Machining of Materials Used in Heavy Power Engineering

The study considered issues for improving the efficiency of machining materials used in heavy power engineering on the basis of the development of carbide tools with nanostructured multilayer coatings (NMCC) of high wear resistance. The following compositions of the NMCC were developed for investigation: Ti-TiN-(TiCrAl)N; Zr-ZrN-(ZrNbCrAl)N; Cr-CrAlN-(NbZrCrAl)N; Zr-ZrN-(ZrCrAl)N. Wide-ranging studies of various properties and characteristics of elaborated NMCC, as well as contact parameters of cutting and wear mechanisms for the carbide tools with various compositions of NMCC are used in high-efficiency longitudinal turning material of heavy power mechanical engineering. Received results of research in this study allow establishing a rational coating composition for deposition on carbide tools providing increase of machining efficiency of the materials used in heavy power engineering.