CONTENTS

Production, Structure, Properties

Ratov B. T., Mechnik V. A., Gevorkyan E. S., Kolodnitskyi V. M., Bondarenko N. A., Kuttybayev A. E., Muratova S. K., Korostyshevskiy D. L. Influence of the CrB₂ additive content on the structure, mechanical and operational properties of С_diamond–(WC–Co) composite diamond-containing materials formed by spark plasma sintering. . .

3

Mazur P. V., Grigoriev O. M., Melakh L. M., Kozak I. V., Karpets M. V., Vedel D. V. The influence of B₃Si on the structure and properties of B₄C ceramics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

Zhang Nan, Ma Pan, Yang Zhilu, Fang Yacheng, Zhang Zhiyu. Physical dispersion method and mechanism of graphene. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36

Mo Peicheng, Chen Jiarong, Chen Chao, Hu Qiaofan, Xiao Leyin, Lin Feng, Pan Xiaoyi. Research on the structure and properties of high temperature and high pressure composite PCBN tool materials. . . . . . . . . . . . . . . .

45

Investigation of Machining Processes

Filatov Yu. D., Sidorko V. I., Kovalev S. V., Boyarintsev A. Y., Kovalev V. A., Yurchyshyn O. Ya. Interaction of sludge particles and wear particles of polishing powder during polishing of polymeric optical materials. . . . . . . . .

55

Maystrenko A. L., Bondarenko M. O., Antonyuk V. S., Petasyuk G. A., Vinogradova O. P., Vasylchuk O. S., Zakora A. P., Zakutevsky O. I., Oleinyk N. O. Intensity of wear of functional elements made of diamond-containing composite materials during the operation of tools in the process of rock destruction. . . . . . . . . . . . . . . . . . . . . . . . . . . .

66

Lavrinenko V. I. Fulfillment of rough surface profile obtained by diamond-abrasive treatment, as one of the factors of its bearing capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

77

Tools, Powders, Pastes

Li Xin, Teng Fei, Manokhin A. S., Zhang Junjie, Klymenko S. A., Sun Tao, Klymenko S. An., Melniychuk Y. O., Pasichny O. O. Experimental investigation and finite modeling of the process of intermittent cutting of AISI 52100 steel with PcBN tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

87

Letters to the Editor

Chasnyk D. V., Dovhal A. V., Fesenko I. P., Tuz Yu. M., Kaidash O. M., Serbeniuk T. B., Chasnyk V. I., Sverdun V. B. Microstructural characteristics and thermal conductivity of large-size parts from pressureless sintered ceramic AlN-base composite. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

99