CONTENTS

Production, Structure, Properties

Ivanovskii A. L. Search for novel superhard and incompressible materials on the basis of higher borides of s, p, d metals. . . . . .

3

Zou Qing-hua. Densification of hot-pressed composite materials for diamond tools.

22

Podoba Ya. O., Pereyaslov V. P., Serdyuk V. M., and Bologova L. M. The effect of technological parameters of intensive electric sintering on the efficiency of inserts produced from diamond-containing composite materials in a cobalt binder. . . . . . .

40

Kukharenko S. A., Shilo A. E., Kutsay A. M., and Itsenko P. P. Study of the interaction of silicate multicomponent systems with aluminum oxide by spectro­scopic methods. . . . . . . . . . . . . . . .

51

Investigation of Machining Processes

Serdyuk Yu. D., Semizhon O. A., Prokopiv N. M., Petasyuk G. A., Kharchenko O. V., and Omel’chuk T. V. Effect of the thermocompression machining parameters on the quality characteristics and wear mechanisms of cutting plates from the T5K10 alloy in rough turning. . . . . . . . . . . . . . . . . . . . . . . . . . . .

65

Stakhniv N. E. and Devin L. N. Study of wearing cutters with cBN-based composite and wear influence on the cutting forces in fine turning of hardened steels. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

77

Tools, Powders, Pastes

Bogatyreva G. P., Timofeeva I. I., Petasyuk G. A., Bazalii G. A., and Vasil’kovs­kaya M. A. Identification of nondiamond carbon in detonation-synthesized nano­diamonds. . . . . . . . . . . . . . . . . . . .

86

Letters to the Editor 

Lysenko A. V. On the structure of amorphous 3D-nets of diamond-like carbon. . . . .

93

Lisovskii A. F. Special features of the mesostructure formation in WC–Co hard alloys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

96