CONTENTS

Production, Structure, Properties

Kovalchenko A. M. Studies of the ductile mode of cutting brittle materials (a review). . . . . . . . . . . . . . . . . . . . . .

3

Sukhovaya E. V. Structural approach to the development of wear-resistant composite materials. . . . . . . . . . .

29

Borcha M. D., Balovsyak S.V., Fodchuk I. M., Khomenko V. Yu., Kroitor O. P., and Tkach V. N. Local deformation in diamond crystals defined by the Fourier transformations of Kikuchi patterns . . . . . . . . . . . . . . .

39

Kryl’ Ya. A. and Prysyazhnyuk P. M. Structure formation and properties of NbC–Hadfield steel cermets. . . . .

43

Investigation of Machining Processes

Starkov V. K. Highly porous wheels of cubic boron nitride for dry grinding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56

Filatov Yu. D., Vetrov A. G., Sidorko V. I., Filatov A. Yu., and Kovalev S. V.   Regularities of the diamond-abrasive finishing of monocrystalline silicon carbide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

63

Tools, Powders, Pastes

Lavrinenko V. I., Il’nitskaya G. D., Petasyuk G. A., Tkach V. N., Smokvina V. V., Shamraeva V. S., Zaitseva I. N., and Muzychka D. G. Effect of physico-mechanical characteristics of AC6 grade synthetic diamond powders on wear resistance of grinding tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

72

Sirota Yu. V. and Kushch V. I. Statistical analysis of the compression strength of individual grains of SHM powders and the improvement of the strength assessment procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

82

Letters to the Editor

Ashkinazi E. E., Shul’zhenko A. A., Gargin V. G., Sokolov A. N., Aleksandrova L. I., Tkach V. N., Ral’chenko V. G., Konov V. I., Bol’shakov A. P., Ryzhkov S. G., Bogdanov R. K., Zakora A. P., and Suprun M. V. Diamond polycrystalline composite material with dispersion-hardened nickel-based additive. . . . . . . . . . . . . . . . . . . . . . 

95

Jubilees, Data

95th Anniversary of the National Academy of Sciences of Ukraine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

99