Výsledky vyhledávání - "V. Yu. Lopatin"

Theoretical and experimental study of combustion synthesis of microgradient ULTRA high-temperature ceramics in Zr-Ta-Si-B system

Autor: Pavel Loginov, Anton S. Orekhov, V. V. Kurbatkina, E.I. Patsera, V. Yu. Lopatin, Stepan Vorotilo, E. A. Levashov

Publikováno v: Journal of the European Ceramic Society. 41:4728-4746

The macrokinetic features and phase and structure formation mechanisms are investigated in the Zr-Ta-Si-B system in the framework of the fractal theory of combustion. The reaction mechanisms are explored using ab initio grand potential modeling and E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d842481f573c15cd9db03fa7fc93359
https://doi.org/10.1016/j.jeurceramsoc.2021.03.008

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The Influence of VK Carbonyl Iron Powder on Properties of 60Kh2N Steel Powder

Autor: N. D. Nguen, V. Yu. Lopatin, Zh. V. Eremeeva

Publikováno v: Inorganic Materials: Applied Research. 12:1-4

This work describes the influence of VK carbonyl iron powder on the properties of 60Kh2N steel powder. It has been demonstrated that addition of the VK powder to sprayed powder of grade PZhRV 2.200.26 in an amount up to 15% makes it possible to incre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::447eee29f53cca41abfc58f92f6b97c0
https://doi.org/10.1134/s2075113321010238

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Study of Reinforcing Phase Formation at the Grain Boundaries of Sintered Beryllium

Autor: V. Yu. Lopatin, B. V. Syrnev, T. A. Segeda, O. V. Semilutskaya, A. V. Revutskiy

Publikováno v: Russian Journal of Non-Ferrous Metals. 62:125-131

In this paper we present the results of studies of the effect the state of grain boundaries formed in consolidation of beryllium powders by vacuum hot pressing has on the strength properties of sintered beryllium. The dependences of the morphology, e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60bf776fdac74eaa3e8bbf5a685e4f75
https://doi.org/10.3103/s1067821221010132

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Research of reinforcement phase formation on the borders of sintered berillium grains

Autor: O. V. Semilutskaya, V. Yu. Syrnev, V. Yu. Lopatin, A. V. Revutsky, T. A. Segeda

Publikováno v: Izvestiya vuzov. Poroshkovaya metallurgiya i funktsional’nye pokrytiya. :25-33

The paper presents the results of studying the effect of the state of grain boundaries (formed in the consolidation of beryllium powders by vacuum hot pressing on the strength properties of sintered beryllium. Scanning electron microscopy and X-ray s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fec365af8d20690c0c2b4c3ab9bdc929
https://doi.org/10.17073/1997-308x-2020-3-25-33

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The Influence of Carbonyl Iron Powder, Grade VK, on Compactability and Strength Properties of Sintered Atomized Iron Powder, Grade PZhRV 2.200.26

Autor: Zh. V. Eremeeva, V. Yu. Lopatin, N. D. Nguyen

Publikováno v: Inorganic Materials: Applied Research. 11:403-407

This article discusses the influence of carbonyl iron powder, grade VK, on compactability, sintering, and mechanical properties of samples made of atomized iron powder, grade PZhRV 2.200.26, produced on commercial scale in Russia. It is demonstrated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3938d61273b049bdfb4ca3b87c2414b8
https://doi.org/10.1134/s2075113320020239

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Spark Plasma Sintering of the Stock Material Made of the Boron Carbide Obtained by Different Methods

Autor: A. A. Nepapushev, D. A. Sidorenko, L. V. Myakisheva, A. V. Lizunov, E. V. Apostolova, V. S. Panov, Zh. V. Eremeeva, D. Yu. Mishunin, V. Yu. Lopatin

Publikováno v: Inorganic Materials: Applied Research. 10:74-80

—The optimum modes of spark plasma sintering (SPS)—temperature, time, and pressure amplification—were determined; the structure and properties of blanks of boron carbide sintered by the above method from the powders obtained by the mechanochemi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c4e793642c6937e7d317ef332c72ef3
https://doi.org/10.1134/s207511331901009x

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Structure, Oxidation Resistance, Mechanical, and Tribological Properties of N- and C-Doped Ta-Zr-Si-B Hard Protective Coatings Obtained by Reactive D.C. Magnetron Sputtering of TaZrSiB Ceramic Cathode

Autor: A. D. Sytchenko, Stepan Vorotilo, V. Yu. Lopatin, V.V. Klechkovskaya, E. A. Levashov, Ph. V. Kiryukhantsev-Korneev

Publikováno v: Coatings, Vol 10, Iss 946, p 946 (2020)
Coatings
Volume 10
Issue 10

Coatings in the Ta-Zr-Si-B-C-N system were produced by magnetron sputtering of a TaSi2-Ta3B4-(Ta,Zr)B2 ceramic target in the Ar medium and Ar-N2 and Ar-C2H4 gas mixtures. The structure and composition of coatings were studied using scanning electron

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c728eb66f31b0fb69f2530edfbfed984
https://www.mdpi.com/2079-6412/10/10/946

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On the Application of Carbon-Containing Electrode Materials in Electrospark Alloying Technology. Part 2. Structure and Properties of Two-Layer Coatings

Autor: E. A. Levashov, A. V. Sevost’yanova, V. Yu. Lopatin, A. E. Kudryashov, E. I. Zamulaeva, Zh. V. Eremeeva

Publikováno v: Surface Engineering and Applied Electrochemistry. 54:535-545

Electrospark treatment of OT4-1 titanium alloy was performed sequentially with a hard-alloy electrode STIM-20H (TiC—20% Ni) and carbon-containing material (graphites and carbon-based composite materials). Phase composition and relief of the coating

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d1e2a1483975450ce7bdf9ef7120e74
https://doi.org/10.3103/s1068375518060078

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