STRUCTURE AND PHYSICAL AND MECHANICAL PROPERTIES OF NANOCOMPOSITE COATINGS OF THE SYSTEM (Zr-Ti-Cr-Nb)N, OBTAINED BY VACUUM-ARC EVAPORATION METHOD

I. N. Toryanik,V. M. Beresnev,I. V. Serdyuk,A. D. Pogrebnjak,O. V. Sobol, O. A. Druchinina,M. G. Kovaleva,P. V. Turbin,U. S. Nyemchenko,D. A. Kolesnikov, A. Ye. Dmitrenko

PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY（2014）

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摘要

Nanocomposite coatings of the system (Zr-Ti-Cr-Nb)N were obtained by vacuum-arc evaporation of a unit-cast cathode with the use of pulse stimulation. The structure of the coatings is characterized by the size of crystallites of 5...10 nm. Increased bias potential leads to more intense nitride formation thus increasing the relative content of Cr and Ti atoms and improving the hardness up to 4500 HV(0,1)GPa. Sclerometry studies showed high adhesive strength, which in combination with high hardness makes them promising for use as protective coatings for cutting tool.

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