CONTENTS

Production, Structure, Properties

Slipchenko K. V., Stratiichuk D. A., Turkevich V. Z., Belyavina N. M., Bushlya V. M., Stähl J.-E. Sintering of cBN based materials with TaC binder for cutting tool application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Bovsunovskyi O. V., Polotnyak S. B., Lysakovskyi V. V., Lyeshchuk O. O., Ivakhnenko S. O. Numerical simulation of the stress-strain and limit states of the pyrophyllite container and punches of a six-punch high pressure apparatus. 

12

Onoprienko A. A., Ivashchenko V. I., Scrynskyy P. L., Sinelnichenko А. K., Kozak A. A., Kovalchenko A. M., Olifan E. I. Influence of nitrogen on the microstructure, hardness and tribological properties of Cr–Ni–B–C–N films deposited by DC magnetron sputtering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

Faghani G., Rabiee S. M., Nourouzi S., Elmkhah H. Nanoscale multi-layer coating fabricated by a cathodic arc evaporation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36

Serbenyuk T. B., Prikhna T. O., Sverdun V. B., Sverdun N. V., Chasnyk V. I., Karpets’ M. V., Kovylyaev V. V. The influence of technological conditions of obtaining composite materials based on AlN–Y₂O₃–C on their ability to absorb microwave radiation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50

Dovgal A. G., Varijukhno V. V., Pryimak L. B. Effect of the composites structure formation of SiC–Al₂O₃ system with different activating dopants on their strength and hardness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

57

Prokopiv М. М. Formation of a spherical structure on the surface of 79WC–15TiC–6Co cemented carbide when interacting with a TiC–20Ni powder mixture.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65

Investigation of Machining Processes

Sokhan’ S. V., Maystrenko А. L., Sorochenko V. H., Voznyy V. V., Borimsky A. I., Hamaniuk M. P., Zubaniev E. M. The influence of the processing mode on the parameters of diamond finishing of ceramic balls made of boron carbide. . .

73

Tools, Powders, Pastes

Petasyuk G. А., Bochechka О. О. The homogeneity of abrasive powders by the shape-similarity of the projection of the grains and the method of its determination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

86

Letters to the Editor

Rumiantseva Yu. Yu., Romanko L. O., Chasnyk D. V., Turkevich V. Z., Bushlya V. M., Fesenko I. P., Kaidash O. M., Chasnyk V. I., Rukin V. P. Electrical characteristics of thermobaric sintered cBN–NbN composite. . . . . . . . . . . . . . . . . . . .

98