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Information × Registration Number 0215U002008, 0110U004765 , R & D reports Title A high pressure obtaining diamond - tungsten carbide nanocomposite by the reaction sintering of diamond and tungsten nanopowders of various genesis popup.stage_title Head Bochechka O. O., Registration Date 15-01-2015 Organization V.Bakul Institute for Superhard Materials popup.description2 A method of producing nanocomposite diamond-tungsten carbide by the HPHT sintering of statically synthesized diamond nanopowder ASM5 0.1/0 with the addition of nanoparticles obtained by the electrospark dispersion of tungsten in ethanol has been developed. During the sintering diamond reacts with tungsten. Tungsten carbide nanoparticles chemically bonded to the diamond are formed in the interstices between the diamond nanoparticles. High hardness (HV5 = 24 GPa), fracture toughness (KIC = 7.0 MPa·m^1/2) and thermal stability (at 1100 ° Kts = 0.86) are combined in the composite. The studies of cutting properties and damping characteristics showed the suitability of the nanocomposite diamond - tungsten carbide working element to discontinuous turning. During the finishing turning of aluminum alloys with composite cutter at depth of cut < 0. 25 mm/rev and cutting speed < 4. 5 m/s the surface roughness Ra = 0.4 µm and the waviness Raw = 0.7 µm are achieved. Product Description popup.authors Аксененко К.А. Білявина Н.М. Бочечка О. О. Гаврилова В. С. Горохов В.Ю. Девін Л.М. Заболотний С.Д. Луцак Е. М. Назарчук С. М. Олєйник Г.С. Осадчий О.А. Романко Л. О. Смекаленков С.В. Старик С.П. Стахнів М.Є. Ткач В. М. Цапюк Г.Г. Чернієнко О. І. Шпадківська Т.О. popup.nrat_date 2020-04-02 Close