Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Sergey N. Grigoriev"'
Autor:
Sergey N. Grigoriev, Alexander S. Metel, Marina A. Volosova, Enver S. Mustafaev, Yury A. Melnik
Publikováno v:
Surfaces, Vol 7, Iss 3, Pp 714-724 (2024)
The surfaces of ceramic products are replete with numerous defects, such as those that appear during the diamond grinding of sintered SiAlON ceramics. The defective surface layer is the reason for the low effectiveness of TiZrN coatings under abrasiv
Externí odkaz:
https://doaj.org/article/25f042e10e604919acd7ad83e597d571
Autor:
Alexander S. Metel, Marina A. Volosova, Enver S. Mustafaev, Yury A. Melnik, Anna A. Okunkova, Sergey N. Grigoriev
Publikováno v:
Ceramics, Vol 7, Iss 1, Pp 55-67 (2024)
The surface of ceramic products manufactured using diamond grinding is replete with shallow scratches, deep grooves and other defects. The thickness of the defective layer amounts to 3–4 µm and it must be removed to increase wear resistance of the
Externí odkaz:
https://doaj.org/article/7abcb8e4ec804786a5cbc07df08e141e
Autor:
Sergey N. Grigoriev, Nikita Yu. Nikitin, Aleksander Frolov, Petr Shapovalov, Anton Medeltsev, Mikhail Voronov, Roman Khmyrov, Idarmach Idarmachev, Pavel Peretyagin
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 5, p 235 (2024)
The work that is being presented demonstrates that there is a critical point at which the engineering stress–strain diagram’s elastic–plastic region transitions to yield and fracture stresses. This transition is demonstrated using thin-walled s
Externí odkaz:
https://doaj.org/article/b05a131188624b359ed31c9b94ffdd2a
Autor:
Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Artem P. Mitrofanov, Vladimir D. Gurin, Anna A. Okunkova
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 5, p 210 (2024)
This paper describes the principles of obtaining wear-resistant coatings based on titanium diboride that are deposited on the cutting tool for use in the machining of chromium–nickel alloys. The spark plasma sintering of samples from the TiB2/Ti po
Externí odkaz:
https://doaj.org/article/e06af663e4b2430f9c4ed34992eab929
Autor:
Sergey N. Grigoriev, Ivan V. Tambovskiy, Tatiana L. Mukhacheva, Irina A. Kusmanova, Pavel A. Podrabinnik, Nikolay O. Khmelevsky, Igor V. Suminov, Sergei A. Kusmanov
Publikováno v:
Metals, Vol 14, Iss 9, p 994 (2024)
The paper investigates the feasibility of plasma electrolytic treatment (PET) of 90CrSi tool steel to enhance hardness and wear resistance. The influence of electrophysical parameters of PET (polarity of the active electrode, chemical-thermal treatme
Externí odkaz:
https://doaj.org/article/c1f2770f895446759a2ba8991bb1d972
Autor:
Sergey N. Grigoriev, Mikhail P. Kozochkin, Artur N. Porvatov, Evgeniy A. Ostrikov, Enver S. Mustafaev, Vladimir D. Gurin, Anna A. Okunkova
Publikováno v:
Sensors, Vol 24, Iss 16, p 5160 (2024)
Technologies associated with using concentrated energy flows are increasingly used in industry due to the need to manufacture products made of hard alloys and other difficult-to-process materials. This work is devoted to expanding knowledge about the
Externí odkaz:
https://doaj.org/article/caeb5dd9427e4a799a8758f4946b281c
Publikováno v:
Ceramics, Vol 6, Iss 2, Pp 818-836 (2023)
The paper studies the influence of diamond grinding, lapping, and polishing on the surface layer and defectiveness of the Al2O3/TiC and SiAlON ceramic samples. The index of defectiveness ID, which is the product of the defect density and the defectiv
Externí odkaz:
https://doaj.org/article/7a23f49f10b14b3b9afa36ffa629cfa8
Autor:
Alexandra Yu. Kurmysheva, Ekaterina Kuznetsova, Marina D. Vedenyapina, Pavel Podrabinnik, Nestor Washington Solís Pinargote, Anton Smirnov, Sergey N. Grigoriev
Publikováno v:
Resources, Vol 13, Iss 3, p 40 (2024)
Within this study, aluminum oxide granules with 0.25%vol. of graphene oxide were prepared by a spray-drying method to make an adsorbent for the 2,4-Dichlorophenoxyacetic acid (2,4-D) herbicide removal from aqueous solutions. The obtained adsorbent wa
Externí odkaz:
https://doaj.org/article/ad19b0d66fd04a5eae81d32b384897f0
Autor:
Nestor Washington Solís Pinargote, Oleg Yanushevich, Natella Krikheli, Anton Smirnov, Sergey Savilkin, Sergey N. Grigoriev, Pavel Peretyagin
Publikováno v:
Dentistry Journal, Vol 12, Iss 3, p 47 (2024)
The materials used in dentistry for the fabrication of all-ceramic restorations have undergone great and rapid developments over the last two decades. Among the most common ceramic materials in dentistry are those based on zirconium and lithium disil
Externí odkaz:
https://doaj.org/article/f388724014554851a94794051139c9b7
Autor:
Evgeny E. Ashkinazi, Sergey V. Fedorov, Artem K. Martyanov, Vadim S. Sedov, Roman A. Khmelnitsky, Victor G. Ralchenko, Stanislav G. Ryzhkov, Andrey A. Khomich, Mikhail A. Mosyanov, Sergey N. Grigoriev, Vitaly I. Konov
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 7, Iss 6, p 224 (2023)
The complexity of milling metal matrix composite alloys based on aluminum like Al/SiC is due to their low melting point and high abrasive ability, which causes increased wear of carbide tools. One of the effective ways to improve its reliability and
Externí odkaz:
https://doaj.org/article/fd87ac4b04c346c7b1255e567d0c7abb