The Modern State of Works in Field of Electron-Beam Technology of Melting and Evaporation of Metals and Non-Metals in a Vacuum
Keywords:
metal (composite) films, electron beam technology, layer coating
Abstract
In developing of new processes for growing metal (composite) films, the main attention is given to controlling the metal vapour flows: through energy state of the condensing particles, their molecular composition, intensity, spatial distribution of the flow, etc. It is known that the widely accepted open-type evaporators, including quasi-closed ones, are characterized by instability of the directivity diagram of the vapour flow in time, even at constant temperature. Radiation load on the film growth surface from these sources is sometimes comparable to the energy of vapour flow condensation. Therefore, when they are used, it is quite difficult to produce reproducible film structures with controllable parameters. Particular difficulties arise at high evaporation rates, when micro-drops are usually present in the vapour flow.
References
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[2]. Zuev, I.V.,1998 Treatment of materials by concentrated energy flows. Moscow: MEI.
[3]. Grechanyuk, M., Kucherenko, P.,2005, Installation for electron-ray coatication of coatings. Pat. US 6,923,868 BZ. Publ. 02.08.2005.
[4]. Grechanyuk, N.I., Kucherenko, P.P. 2005, Installation for electron beam deposition of coatings. Pat. 2265078 RF. Publ. 12.27.2005.
[5]. Novikov, A.A.,2003, Gas-discharge gun and method of its control. Pat. 60377 Ukraine.
[6]. Zolkin, A.S.,1992, Sources of metal vapors for research and technologies. Novosibirsk: ITF.
[7]. Grechanyuk, N.I., Kucherenko, P.P., Osokin, V.A. et al.,2000, State-of-the-art and prospects of development of thremal barrier coatings (TBC) for gas turbine blade units and equipment for their deposition. Novyny Energetyky, 9, 32-37.
[8]. Grechanyuk, N.I., Dyatlova, E.K., Kucherenko, P.P. et al.,2001, Electron gun with linear thermocathode for electron beam heating. Pat. 40664 Ukraine. Publ. 2001.
[9]. Grechanyuk, N.I., Kucherenko, P.P., Osokin, V.A. et al.,2001, Protective coating for gas turbine blades. Pat. 42052 Ukraine.
[10]. Grechanyuk, N.I., Osokin, V.A., Shpak, P.A. et al., 2005, Influence of technological parameters on structure of external ceramic layer in two-layer metal-ceramic coatings produced by electron beam deposition in one technological cycle. Poroshk. Metallurgiya, 3/4, 41-48.
[11]. Grechanyuk, N.I., 2006, Method of production of microlayer thermostable materials. Pat. 2271404 RF.
[12]. Iliinsky, A.I.,1986, Structure and strength of lamellar and dispersion-strengthened films. Moscow: Metallurgiya.
[13]. Grechanyuk, N.I., Osokin, V.A., Afanasiev, I.B. et al., 2001, Composite material for electric contacts. Pat. 34875 Ukraine.
[14]. Borisenko, V.A., Bukhanovsky, V.V., Grechanyuk, N.I. et al., 2005, Temperature dependences of statistical mechanical properties of microlayer composite material MDK-3. Proble-my Prochnosti, 4, 113-120.
[15]. TU U 20113410.001-98: Dispersion-strengthened materials for electric contacts.
[16]. TU U 31.2-20113410-003-2002: Electric contacts on the base of dispersion-strengthened materials.
[17]. Shpak, P.A., Grechanyuk, V.G., Osokin, V.A.,2002, Effect of electron beam remelting on structure and properties of highspeed steel R6M5. Advances in Electrometallurgy, 3, 12-14.
[18]. Grechanyuk, N.I., Afanasiev, I.Yu., Shpak, P.A. et al., 2003, Method of production of blanks for tools from high-speed steel. Pat. 37658 Ukraine.
[19]. Melnik, V.I., Melnik, I.V., Tugay, B.A. et al., 2006, Technological equipment for electron beam refusing on the base of glow discharge electron guns. Elektrotekhnika and Elek-tronika, 5/6, 119-121.
Published
2008-11-15
How to Cite
1.
GRECHANYUK IN, GRECHANYUK NI, CROITORU G. The Modern State of Works in Field of Electron-Beam Technology of Melting and Evaporation of Metals and Non-Metals in a Vacuum. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Nov.2008 [cited 5May2024];31(2):85-0. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/3108
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