CONTENTS

Production, Structure, Properties

Oleynik G. S., Kotko А. V., Danylenko M. I., Sylenko P. M., Solonin Ju. M., Pylypchuk O. F., Danylenko А. I.,
Tomila T. I., Bochechka O. O., Chernienko O. I., Kushch O. V. Structural transformations in boron carbooxynitride (BNCO) during HPHT synthesis and sintering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Mechnik V. A., Bondarenko N. A., Prikhna T. A., Kolodnitsky V. M., Moshchsl V. E., Strelchuk V. V., Nikolenko A. S., Gevorkyan E. S., Chishkala V. A. Phase formation and physical and mechanical properties of Fe‒Cu–Ni‒Sn–VN composites sintered by vacuum hot pressing for diamond stone-working tools. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .

15

Dovhal A. H., Varijukhno V. V., Pryimak L. B. Effect of structure formation of composite materials of the Al₂O₃–C components with different graphite content on their mechanical properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28

Lytovchenko S. V., Gevorkyan E. S., Nerubatskyi V. P., Chyshkala V. O., Voloshyna L. V. Research of regularities of formation and structure formation of compact and multicomponent silicic composites. . . . . . . . . . . . .

35

Li Qiquan, Zhang Qi, Liang Baoyan, Zhang Wangxi, Yang Li. Coating on the surface of diamond particles by thermal explosion reaction method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .

53

Investigation of Machining Processes

Samotugin S. S., Lavrinenko V. I., Samotugina Yu. S., Pirch I. I., Khristenko O. A. Technological principles of plasma nanostructuring of instrumental composites for tools from the top of a complex form. . . . . . . . . . . . . . . . . . .

61

Tools, Powders, Pastes

Petasyuk G. A., Syrota Yu. V. Comparative analysis of the shape-similarity of the projection of the grains of grinding powders of synthetic and natural technical diamond and their homogeneity by this characteristic. . . . . . . . .

73

Xu Jinyang, Li Linfeng, Lin Tieyu, Chen Ming. Evaluation of diamond-coated tools in drilling high-strength CFRP composites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. .

85

Letters to the Editor

Filatov Yu. D. Relationship of transfer coefficients with transfer energy during polishing of non-metallic materials. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. .

97

Jubiles, Dates

90th anniversary of Mykola Vasyliovych Novikov, academician of the National Academy of Sciences of Ukraine.

101