Search Results - "Grigor'yants, A G"

Development of Domestic Equipment for Laser Additive Technologies by Melting Metallic Powders by Grigor’yants, A. G., Shiganov, I. N.

“…The modern domestic installations used for the additive laser technologies based on layer-by-layer melting of metal powders are considered. An installation was…”
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Laser Treatment of the Heat Exchanger Plate Surfaces to Form DLC Coatings by Shupenev, A. E., Korshunov, I. S., Krivosheev, A. V., Grigor’yants, A. G., Onishchenko, D. O., Fokin, Yu. O.

“…The influence of the growth conditions of diamond-like coatings formed by pulsed laser deposition on their tribological properties is studied. A relatively low…”
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On the Pulsed-Laser Deposition of Bismuth-Telluride Thin Films on Polyimide Substrates by Shupenev, A. E., Korshunov, I. S., Grigoryants, A. G.

“…The peculiarities of obtaining p -Bi 0.5 Sb 1.5 Te 3 and n -Bi 2 Te 2.7 Se 0.3 thin thermoelectric films with a thickness of about 300 nm grown on a polyimide…”
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Bismuth-Telluride-Based Radiation Thermopiles Prepared by Pulsed Laser Deposition by Shupenev, A. E., Korshunov, I. S., Iliin, A. S., Osipkov, A. S., Grigoryants, A. G.

“…Radiation thermopiles are structural units of sensors used for measuring the energetic parameters of  radiation  in  the wavelength range from 0.1 to 100 µm…”
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Laser surfacing of nickel-based composite war-resisting coatings reinforced with tungsten carbide by Grigoryants, A. G., Stavertiy, A. Ya, Bazaleeva, K. O., Yudina, T. Yu, Smirnova, N. A., Tretyakov, R. S., Misyurov, A. I.

“…Investigations were carried out into the phase and structural state of the gradient coating produced by laser surfacing using tungsten carbide powders in a…”
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Prospects for using laser radiation to improve cracking resistance in welding cryogenic steels by Grigoryants, A. G., Misyurov, A. I., Shiganov, I. N., Yakushin, B. F., Perestoronin, A. V.

“…It is shown that in welding large structures with stable austenitic welding materials made of nitrogen-containing cryogenic chromium-nickel-manganese…”
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Development of technology and equipment for ultrasonic shock treatment of welded joints by Grigoryants, A. G., Shiganov, I. N., Micyurov, A. I., Malov, I. E., Mikhailov, V. S., Kolomeets, N. P.

“…New equipment and technology for ultrasonic shock treatment (UST) of components in engineering are described. The design of new equipment and its technical…”
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Optimization of the shape of nozzles for coaxial laser cladding by Grigoryants, A.G., Tretyakov, R.S., Shiganov, I.N., Stavertiy, A.Ya

“…The results of mathematical modelling of the flows of powder in nozzles for coaxial laser cladding are presented. The modelling results are used to determine…”
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A system for automatic control of precision laser welding in engineering by Grigoryants, A.G., Perestoronin, A.V., Zvezdin, V.V., Israfilov, I.Kh, Portnov, S.M.

“…A system for automatic control of the welding zone is described. The system can be used for positioning the focus of laser radiation in relation to the joint…”
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Technology of low-frequency vibrational treatment of welded structures in engineering by Grigoryants, A.G., Shiganov, I.N., Misyurov, A.I., Mikhailov, V.S., Kolomeyets, N.P.

“…New equipment and technologies for low-frequency vibrational treatment of components in engineering are examined. The design of new equipment and its…”
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Investigation of thermal efficiency of treatment with the radiation of a high-power ytterbium-based fibre laser by Grigor'yants, A.G., Misyurov, A.I., Zaitsev, A.V., Rodionov, N.B.

“…Application effectiveness of a high-power fibre Yb-laser for the laser welding of metals is investigated. Expediency of the intensive laser welding conditions…”
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Shaping of deposited layers using laser pulsed-periodic Radiation by Grigor'yants, A.G., Misyurov, A.I.

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Production of composite articles with a metal matrix by selective laser melting by Kolchanova, A. V., Grigoryants, A. G., Kolchanov, D. S., Drenin, A. A.

“…In this review article, the works devoted to the parts formation from composite materials in the process of selective laser melting are considered. Composite…”
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Features of obtaining diamond-like coatings by pulsed laser deposition by Grigoryants, A. G., Shupenev, A. E., Krivosheev, A. V., Ponomarenko, S. L., Korshunov, I. S.

“…Diamond-like carbon coatings are used for surface hardening, reducing friction coefficient, biological passivation, and reducing sublimation in cosmic…”
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The laser welded joints properties of cryogenic austenitic nitrogen-containing steel by Grigoryants, A.G., Micyurov, A.I., Shiganov, I.N., Perestoronin, A.V.

“…Formation, structure and properties of welded joints in cryogenic austenitic nitrogen containing steel of chromium - nickel - manganese - nitrogen alloying…”
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Efficiency of the process of two-beam deep penetration laser welding by Grigor'yants, A.G., Grezev, A.N., Rodionov, N.B., Rodionova, V.P., Grezev, N.V.

“…Numeral simulation of the interaction between laser radiation and surface plasma and welded component is conducted. Results of experimental investigations are…”
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Technological features of growing a combustion chamber of a liquid-propellant rocket engine by method of selective laser melting from AISI 316L steel by Grigoryants, A. G., Yagodnikov, D. A., Kolchanova, A. V., Kovalev, K. E., Aleksandrenkov, V. P., Drenin, A. A., Shustova, L. A.

“…This work is devoted to the applied possibilities of the selective laser melting technology in the rocket industry. The properties of stainless steel formed by…”
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Features of laser impact treatment application with low-energy sources to reduce residual tensile stresses in the welds of aluminium alloys by Grigoryants, A.G., Shiganov, I.N., Misyurov, A.I., Melnikov, D.M., Kholopov, A.A., Shtereverya, D.S.

“…The strength of the welding joints which made of aluminium alloys is often significantly reduced, this is due to post-welding residual stresses and structural…”
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Kinetics of the WC particles motion in liquid steel during laser surface modification by Grigoryants, A. G., Shiganov, I. N., Perestoronin, A. V., Misyurov, A. I., Taksants, M. V., Asyutin, R. D., Usov, S. V.

“…Laser surface modification of steel with tungsten carbide (WC) particles provides significant wear-resistance increasing. At the same time, it is important to…”
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Direct Laser Growth of Inсonel 625/TiC Composite: Effect of Structural State of Initial Powder by Aleksandrova, A. A., Bazaleeva, K. O., Balakirev, E. V., Brykov, A. A., Grigor’yants, A. G.

“…This work investigates the influence of structural state of the initial powders of composite material Inconel 625/TiC on the tendency to crack formation in the…”
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