CONTENTS
Pages
Production, Structure, Properties
Prikhna T. O., Lokatkina A. S., Barvitskyi P. P., Karpets M. V., Ponomaryov S. S., Bondar А. А., Büchner B., Werner J., Kluge R., Moshchil V. E., Borymskyi O. I., Devin L. M., Rychev S. V., Haber R., Yasar Zeynep Ayguzer, Matovic B., Rucki M., Prisyazhna О. V. Structure, mechanical characteristics and high temperature stability of ZrB2- and HfB2-based materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .
3
Bochechka O. O., Kushch O. V., Isonkin O. M., Petasyuk G. A., Chernienko O. I., Osipov O. S., Havrylova V. S., Borymskyi O. I., Rumiantseva Yu. Yu. Influence of the grain composition of diamond powders synthesized in the Mg–Zn–C system on the structure, physical, mechanical, and operational properties of polycrystals sintered from them at high pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .
21
Ratov B. T., Mechnik V. A., Bondarenko N. A., Kolodnitskyi V. M., Gevorkyan E. S., Nerubaskyi V. P., Gusmanova A. G., Fedorov B. V., Kaldibaev N. A., Arshidinova M. T., Kulych V. G. Features structure of the Сdiamond‒(WC‒Co)‒ZrO2 composite fracture surface as a result of impact loading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36
Bugdayci Mehmet, Güleç Şeyma. Vacuum carbothermal synthesis of TiB2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .
51
Investigation of Machining Processes
Filatov Yu. D., Sidorko V. I., Kovalev S. V., Boyarintsev A. Y., Kovalev V. A., Yurchyshyn O. Y. Scattering of sludge nanoparticles during polishing of polymer optics materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
62
Vovk O. O., Voloshin A. V., Slyunin E.V., Voloshina L. I., Kryvonogov S. I., Nizhankovskyi S. V. Material removal rate during titanium doped sapphire processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tools, Powders, Pastes
74
Klymenko S. A., Klymenko S. An., Kopіeіkina M. Yu., Manokhin А. S., Melniychuk Yu. O. Thermal phenomena on the front surface of the tool with PcBN during turning of hardened steel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Letters to the Editor
86
Solozhenko V. L. On crystal structure of superhard cubic BC2N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100
Chasnyk V. I., Chasnyk D. V., Kaidash O. M. Effect of silicon carbide content on bulk electrical resistance of pressureless sintering AlN–SiC composites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
103