CONTENTS

Production, Structure, Properties

Shul’zhenko A. A., Jaworska L., Sokolov A. N., Gargin V. G., Petasyuk G. A., Belyavina N. N., Zakora A. P., Suprun M. V., Tkach V. N. Novel wear-resistant superhard diamond composite polycrystalline material. . 

3

Serbenyuk T. B., Prikhna T. O., Sverdun V. B., Sverdun N. V., Moshchil’ V. Ye., Ostash O. P., Vasyliv B. D., Podhurska V. Ya., Kovylyaev V. V., Chasnyk V. I. Effect of the additive of Y₂O₃ on the structure formation and properties of composite  materials based on AlN–SiC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

Pozdnyakov A. O., Voznyakovskii A. P., Kalinin A. V. Mechanism of functionaliza­tion of the surfaces of detonation nanodiamonds: mass-spectrometric investigation.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

Gorban’ V. F., Andreev A. O., Karpets M. V., Stolbovoy V. A., Kanzir O. V., Rokitska O. A., Buzynets O. I. Structural state and properties of nitride coatings based on the highly entropic alloy Ti₃₀Zr₂₅Nb₂₀Hf₁₅Ta₁₀Y₅. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30

Din S. H., Shah M. A., Sheikh N. A. Tribological performance of titanium alloy Ti–6Al–4V via CVD-diamond coatings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37

Liu C., Lin N., He Y. H., Liu W. S., Ma Y. Z. Influence of micron WC addition on the microstructure and mechanical properties of ultrafine WC–Co cemented carbides at the elevated temperature. . . . . . . .

53

Han P., Li W., Peng J., Zou W. Influence of Sn and Bi additions on the structures and wear properties of Cu–Sn–P–Ce cBN tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

62

Investigation of Machining Processes

Filatov Yu. D. Surface roughness of optoelectronic components in mechanical polishing. . . . . . . . . . . . 

68

Devin L. N., Grechuk A. I., Lupkin B. V. Drilling of composites using tools of polycrystalline superhard materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . .

77

Tools, Powders, Pastes

Safonova M. N., Syromyatnikova A. S., Petasyuk G. A., Fedotov A. A., Tarasov P. P., Kim V. A. A study of the influence of natural diamond ultrafine powders on the properties of metal matrix composites. . . . . . . . 

86

Letters to the Editor

Prokopiv M. M. A new phenomenon in the structure formation of T5K10 hard alloy. . . . . . . . . . . . . . . . . .

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