CONTENTS

Production, Structure, Properties

Soloviova T. O., Solodkyi I. V., Loboda P. I. Spark plasma sintering of Cu–(LaB₆–TiB₂) metal-ceramic composite and its physical-mechanical properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Diyuk V. E., Ishchenko O. V., Loginova O. B., Melnik L. M., Kisterska L. D., Garashchenko V. V., Lisovenko S. O., Beda O. A., Tkachuk N. A., Shevchenko O. Yu., Turchun O. V. Recovery of adsorption properties of shungite. . . . . . . . . . 

13

Yuan Xiaokun. Effect of different binder phases on the Σ2 grain boundary plane distribution in cemented carbides. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

Xie Lanlan, Chen Liyi, Huang Xiaolin. Effect of graphite addition on impregnated diamond bit properties. . . .

33

Investigation of Machining Processes

Das Anshuman, Patel Saroj Kumar, Biswal Bibhuti Bhusan, Das Sudhansu Ranjan. Machinability investigation and cost estimation during finish dry hard turning of AISI 4340 steel with untreated and cryo treated cermet inserts. . . . . . . .

46

Ociepa M., Jenek M., Feldshtein E., Leksycki K. The phonomenon of material side flow during finish turning of EN X153CrMoV12 hardened steel with tools based on polycrystalline cubic boron nitride. . . . . . . . . . . . . . . .

67

Shakhbazov Ya. O., Shyrokov V. V., Fedorovych V. O. Specifying the process parameters for diamond dressing of grinding wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

76

Letters to the Editor

Pasichnyi O. O., Lavrinenko V. I. The influence of circumferential waviness of the diamond wheel working surface on the machined surface roughness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

83

Adamovskyi A. A., Kostenko A. D. The friction coefficient of natural diamond against materials based on cubic boron nitride. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

87

Shul’zhenko A. A., Sokolov A. N., Jaworska L., Gargin V. G., Kuz’menko E. F. Thermal conductivity of copper with the addition of n-layer graphene. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90