Взаимодействие ионов с поверхностью (ВИП)

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Просмотр Взаимодействие ионов с поверхностью (ВИП) по Автор "Borisyuk, Yu. V."

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    PLASMA NITRIDING OF TITANIUM ALLOY TI5A14V2MO
    (НИЯУ МИФИ, 2015) Borisyuk, Yu. V.; Berdnikova, M. A.; Tumarkin, A. V.; Khodachenko, G. V.; Pisarev, A. A.; Oreshnikova N. M.; Писарев, Александр Александрович; Тумаркин, Александр Владимирович
    However, low hardness and low wear resistance of these materials is one of the reasons limiting their wider use. Nitriding of titanium alloys with the purpose of improvement of their wear resistance is an important task. Many works were devoted to nitriding of titanium and low alloyed titanium [1-4], but not much is known about nitriding of highly alloyed titanium, which is a promising material for many applications The superalloy Ti5Al4V2Mo has high strength and corrosion resistance, and it is widely used in industry at medium and high temperatures. Nevertheless, it was not studied in terms of plasma nitriding. This work is devoted to investigation of nitriding of Ti5Al4V2Mo in argon-nitrogen plasma of abnormal glow discharge.
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    PULSED ABNORMAL GLOW DISCHARGE WITH HOLLOW CATHODE FOR NITRIDING OF INTERNAL CYLINDRICAL SURFACES
    (НИЯУ МИФИ, 2017) Borisyuk, Yu. V.; Kozlova, V. V.; Mozgrin, D. V.; Oreshnikova, N. M.; Stepanova, T. V.; Pisarev, A. A.; Писарев, Александр Александрович
    Plasma nitriding is a method of thermochemical treatment, which is widely used to enhance surface hardness, fatigue strength, and corrosion resistance of steels [1,2]. In industry, glow discharge is commonly used for this purpose. A specific task of plasma technologies is treating of cavities, which are usually inaccessible for plasma. Still, the need to modify cavities and tubes of small diameters and large aspect ratios exists. Abnormal glow discharge with hollow cathode in the pulse-periodic mode was proposed for this purpose in [3]. This work is devoted to investigation of ignition and properties of the abnormal glow discharge in tubes and demonstration of nitriding of internal surfaces of the tubes.