CONTENTS

Production, Structure, Properties

Lisovsky A. F., Matviichuk O. O., Davydenko S. A. Thermodynamics of bi-mesostructures formation in composite materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

3

Podoba О. P., Shmegera S. V., Kushch V. I. Effect of ¹⁵N isotope content on the lattice of cubic boron nitrtide. . . . . 

11

Pashchenko E. O., Savchenko D. O., Kukharenko S. A., Kurganov R. M., Kai-dash O. M., Lazhevska O. V., Bychykhin V. M., Skorokhod S. V. Surface modify-cation of carbon fibers as fillers of composite materials based on phthalonitrile binders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

17

Dovhal A. H., Pryimak L. B., Biliakovych O. M. Effect of composite materials content of SiC–Al₂O₃ components system on hardness and fracture toughness. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . 

28

Mao-chao Xue. Preparation and mechanical wear behaviour of MoSi₂–Al₂O₃ composite. . . . . . . . . . . . . . . . . . . . .

42

Shwetha G., Gadipelly T. A review on ternary compounds of high boron transition metals as hardness materials. . 

53

Investigation of Machining Processes

Filatov Yu. D., Prikhna T. O., Boyarintsev A. Y., Sidorko V. I., Kovalev S. V. Mechanism of polishing of aluminum optical components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

62

Tools, Powders, Pastes

Petasyuk G. A., Bochechka O. O., Lavrinenko V. I., Sirota Yu. V. Methodological features of quantitative analysis of cutting edge characteristics of high-strength synthetic diamond grinding powders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

73

Koroviaka Ye. A., Shypunov S. O. Improving drilling technology in percussive rotary drilling. . . . . . . . . . . . . . . . . . . 

88

Letters to the Editor

Stratiichuk D. A., Romanenko Ya. M., Starik S. P., Turkevich V. Z. The use of metallic Hf as an activator for sintering BL group composites in the cBN–HfC system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

99