CONTENTS

Production, Structure, Properties

Dub S. N., Nikolenko А. S., Lytvyn P. M., Ivakhnenko S. О., Strelchuk V. V., Suprun О. M., Lysakovskii V. V., Danilenko I. М. Shear-induced metallization on (001) and (111) surfaces of diamond during hardness tests. . . .

3

Yaşar Zeynep Aygüzer, Haber Richard A. Effect of sintering temperature and applied pressure on the properties of boron carbide- silicon carbide composites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18

Ivzhenko V. V., Gevorkyan E. S., Kosenchuk T. O. Sintering and properties of materials based on silicon, boron and titanium carbides obtained by electrospark sintering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

Fang Bin, Yuan Zhonghang, Gao Liying, Li Depeng, Zhang Yuanbin. Microstructure and mechanical properties of c-BN reinforced (Ti,W)C-based cermet tool materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

Ratov B. T., Mechnik V. A., Bondarenko M. O., Kolodnitskyi V. M., Kuzin N. O., Gevorkyan E. S., Chishkala V. A. Influence of VN additive on the structure and strength characteristics of diamond-containing composites based on the Fe‒Cu–Ni–Sn matrix formed by the method of cold pressing followed by vacuum hot pressing. . . .

58

Investigation of Machining Processes

Filatov Yu. D., Sidorko V. I., Kovalev S. V., Kovalev V. A. Influence of parame­ters of structure of the processed material on polishing indicators optical surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

74

Lavrinenko V. I., Pasichnyi O. O., Poltoratskyi V. G., Solod V. Yu., Dobroskok V. L., Ostroverkh E. V. Features of connection between parameters of roughness of the processed surface at grinding by wheels from a mix of grinding powders of SHM with the modified surface of grains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

85

Letters to the Editor

Solozhenko V. L. Oxidation resistance of hard boron-rich chalcogenides B₆X and B₁₂X (X = S, Se). . . . . . . .

99

Lytvyn P. M., Strelchuk V. V., Ivakhnenko S. O., Nikolenko A. S., Kovalenko T. V. Using digital microphotogrammetry for HPHT-diamond single crystals mor-phology analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

102