CONTENTS

Production, Structure, Properties

Meng D., Yue W., Lin F., Wang C., Wu Z. Thermal stability of ultrahard polycrystalline diamond composite materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Fesenko I. P., Chasnyk V. I., Kolomys O. F., Kaidash O. M., Davydchyuk N. K., Serbenyuk T. B., Kuz’menko E. F., Gadzyra M. P., Lyeshchuk O. O., Strel’chuk V. V., Galyamin V. B., Tkach S. V., Fesenko E. I., Shmegera P. S., Azima Yu. I., Recht H., Vollstädt H. Studies of the ceramic material produced by pressureless sintering from the AlN–Y₂O₃–(Si–C) powder composition using electron microscopy, Raman spectroscopy and measurements of the thermal conductivity and microwave radiation. . . . . . . . . . . . . . 

11

Dolmatov V. Yu., Burkat G. K., Myllymäki V., Vehanen A. Electrochemical chromium–diamond coating. . .

21

Pogrebnjak A. D., Postol’nyi B. A., Kravchenko Yu. A., Shipilenko A. P., Sobol O. V., Beresnev V. M., Kuz’menko A. P. Structure and properties of (Zr–Ti–Cr–Nb)N multielement superhard coatings. . . . . . . . .

46

Antonyuk V. S., Bilokin’ S. O., Bondarenko M. O., Bondarenko Yu. Yu., Kovalenko Yu. I. Formation of wear-resistant coatings on silicon probes for atomic force microscopy by thermal vacuum evaporation. .

60

Andreyev I. V. Some aspects of viscoplastic flow in blanks of tungsten-based heavy alloys. . . . . . . . . . . . .

70

Investigation of Machining Processes

Klimenko S. An., Manokhin A. S., Klimenko S.A. Study of the contact zone parameters and stresses on the rake face of a tool equipped by a cBN-based PSHM in turning hardened steel. . . . . . . . . . . . . . . . . . . . .

76

Tools, Powders, Pastes

Zanevskii O. A., Ivakhnenko S. A., Il’nitskaya G. D., Zakora A. P., Bogdanov R. K., Karakozov A. A., Popova M. C. Production of coarse-grained high-strength microgrits to be used in drilling tools. . . . . . . .

85

Letters to the Editor

Konevskii P. V., Brodskii R. E., Litvinov L. A. Impact fragmentation of sapphire. . .

97