CONTENTS

Production, Structure, Properties

Kvasnytsya V., Wirth R., Piazolo S., Jacob D. E., Trimby P. Surface morphology and structural types of natural impact apographitic diamonds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .

3

Panova A. M., Bogatyreva G. P., Zabuga V. Ya., Tsapyuk G. G., Serga M. A., Byeda O. A. Effect of metal impurities on the oxidation of various carbon forms in products of detonation diamond synthesis. . . . . . .  .

19

Polotnyak S. B., Borimskii О. І. Numerical simulation of the mechanical state of the two-stage multi-anvil high pressure apparatus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

Ivashchenko V. I., Dub S. N., Scrynskii P. L., Pogrebnjak A. D., Sobol’ O. V., Tolmacheva G. N., Rogoz V. M., Sinel’chenko A. K. Nb–Al–N thin films: structural transition from nanocrystalline solid solution nc-(Nb,Al)N into nanocomposite nc-(Nb, Al)N/a–AlN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . .

40

Beresnev V. M., Klimenko S. A., Sobol’ O. V., Grankin S. S., Stolbovoi V. A., Turbin P. V., Novikov V. Yu., Meilekhov A. A., Litovchenko S. V., Malikova L. V.   Effect of the deposition parameters on the phase-structure state, hardness, and tribological characteristics of Mo₂N/CrN vacuum-arc multilayer coatings. . .

55

Investigation of Machining Processes

Filatov O. Yu., Sidorko V. I., Kovalev S. V., Filatov Yu. D., Vetrov A. G. Efficiency of polishing of anisotropic single-crystal materials for optoelectronics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65

Vinogradov A. A. On the chip flow direction at the oblique free cutting of ductile metals. . . . . . . . . . . . . . . 

77

Tools, Powders, Pastes

Lavrinenko V. I., Poltoratskii V. G., Safonova M. N., Petasyuk G. A., Devitskii A. A. On the use of variously dispersed powders from compacts of synthetic and natural diamonds with carbon binder in grinding wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

88

Letters to the Editor

Turkevich V. Z., Stratiichuk D. A., Turkevich D. V. Thermodynamic calculation of the phase diagram of the Si–C system up to 8 GPa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

95