CONTENTS

Production, Structure, Properties

Zhang Tao, Qin Feng, Zhang Lijun, Gao Li, Sun Fanghong. HFCVD synthesis of boron-doped microcrystalline diamonds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Prokopiv M. M. Formation of layer WC–(Co,Ni,Al) structure on the cutting plate surface of WC–7(W,Ti)C–10Co cemented carbide in the contact area with Ni₃Al melt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11

Yildiz Tulay, Aba Suleyman. The effect of sintering temperature on wear resistance of alloys produced by using hot isostatic pressing (HIP) method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

Dolmatov V. Yu., Rudenko D. V., Burkat G. K., Aleksandrova A. S., Vul’ A. Yu., Aleksenskii A. E., Kozlov A. S., Myllymäki V., Vehanen A., D’yakov I. A., Dorokhov A. O., Kiselev M. N. A study of the process of gold plating from citric-acid and phosphate electrolytes in the presence of modified detonation nanodiamonds. . . . . . . . . . . . . . . . . .

36

Investigation of Machining Processes

Stakhniv N. F., Devin L. N. The influence of the cutting speed on the temperature and forces at the precision turning of nonferrous metals using cutters with round diamond-hard-alloyed plates. . . . . . . . . . . . . . . . . . . . . . . 

48

Lavrinenko V. I. Porosity and water absorbability of tool composite materials as factors of improving wear resistance of superabrasive grinding wheels. Part 2. Water freezing in porous space of superabrasive composites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

57

Tools, Powders, Pastes

Chen Y., Chen X., AIOuarab L., Opoz T., Xu X. P., Yu G. Morphology analysis and characteristics evaluation of typical super abrasive grits in micron scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

62

Petasyuk G. A. Methodological and application aspects of indirect analytical determination of coating thickness on metal-coated superabrasive grits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

77

Letters to the Editor

Kozyrev A. V. Techanical properties of MgB₂-based superconductive materials. . . . . . . . . . . . . . . . . . . . . . . 

90