Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Oleksandr Sapronov"'
Autor:
Andrii Buketov, Oleg Lyashuk, Oleksandr Sapronov, Sergii Smetankin, Mykhailo Babiy, Oleg Bezbach, Oleg Tson, Vitalii Levytskyi, Raisa Chornii
Publikováno v:
Communications, Vol 26, Iss 1, Pp B1-B10 (2024)
In solving the problem of energy and resource conservation in transport, polymer composites are of paramount importance. Polymer composite using makes it possible to significantly improve the mechanical properties of the materials and simultaneously
Externí odkaz:
https://doaj.org/article/8018ce2921614a52aebf7dbde0782687
Publikováno v:
Materials, Vol 17, Iss 7, p 1503 (2024)
This paper presents the technological aspects of increasing the thermal stability of polymers, with epoxy binder used to form the polymer materials. Polyethylene polyamine was used to crosslink the epoxy binder. To ensure the thermal stability of the
Externí odkaz:
https://doaj.org/article/c627c8949f9045fa94a72433c9b0e792
Publikováno v:
Polymers, Vol 15, Iss 16, p 3449 (2023)
Corrosive destruction and hydroabrasive wear is a serious problem in the operation of machine parts and water transport mechanisms. It is promising to develop new composite materials with improved properties to increase the reliability of transport v
Externí odkaz:
https://doaj.org/article/9f62bec430574b289297196703790636
Autor:
Andriy Buketov, Serhiy Smetankin, Pavlo Maruschak, Kyrylo Yurenin, Oleksandr Sapronov, Viktor Matvyeyev, Abdellah Menou
Publikováno v:
Transport, Vol 35, Iss 6, Pp 679-690 (2020)
The methods for ensuring long-term and safe operation of marine equipment due to comprehensive repair technologies that use epoxy oligomers and new compositions based on them are developed. The influence of temperature and UltraSonic Treatment (UST)
Externí odkaz:
https://doaj.org/article/0fe2b765eec54fbcb1db58999277d2fb
Autor:
Serhii Yakushchenko, Mykola Brailo, Andriy Buketov, Anna Sapronova, Oleksandr Sapronov, Abdellah Menou
Publikováno v:
Communications, Vol 23, Iss 4, Pp B346-B353 (2021)
The influence of the aggressive environments of river water, seawater, oil, petrol and sodium hydroxide on the impact strength of epoxy-polyester composite was investigated. Testing was conducted by two different methods. It was determined that the i
Externí odkaz:
https://doaj.org/article/c0de33bbdb24433ea59445d8ef63cd12
Autor:
Anton Panda, Kostiantyn Dyadyura, Jan Valíček, Marta Harničárová, Milena Kušnerová, Tatyana Ivakhniuk, Liudmyla Hrebenyk, Oleksandr Sapronov, Vitalii Sotsenko, Pavlo Vorobiov, Vitalii Levytskyi, Andriy Buketov, Iveta Pandová
Publikováno v:
Polymers, Vol 14, Iss 16, p 3275 (2022)
The impact of fillers in the epoxy oligomer on the test culture of the marine ecosystem was investigated. The content of additive—biocides—was selected based on the complex research using STAT-GRAPHICS® Centurion XVI. The ecotoxicity of composit
Externí odkaz:
https://doaj.org/article/3f557eefb97b49fabf8a654e4e6c2c22
Autor:
Andriy Buketov, Oleksandr Sapronov, Mykola Brailo, Danylo Stukhlyak, Serhii Yakushchenko, Natalia Buketova, Anna Sapronova, Vitalii Sotsenko
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The corrosion resistance and hydroabrasive resistance of the developed epoxy composite coatings are investigated in this paper. The analysis of the penetration index change after τ = 50–150 days of immersion in a water medium and 10% sulfuric acid
Externí odkaz:
https://doaj.org/article/b0cee4dbc4424ddbaca7fcf2bf610ff3
Autor:
Oleksandr Sapronov, Pavlo Maruschak, Vitalii Sotsenko, Natalia Buketova, Antonio Bertem Da Gloria De Deus, Anna Sapronova, Olegas Prentkovskis
Publikováno v:
Journal of Marine Science and Engineering, Vol 8, Iss 7, p 527 (2020)
A new adhesive material and a restoration technology for marine equipment units are proposed. The optimal content of hardeners of different nature is found, and the effect of temperature conditions used for crosslinking epoxy resin DER-331, on the ad
Externí odkaz:
https://doaj.org/article/6662c4d0aa33475eb147c3afd50be789
Autor:
Andriy Buketov, Pavlo Maruschak, Oleksandr Sapronov, Dmytro Zinchenko, Vitaliy Yatsyuk, Sergey Panin
Publikováno v:
Transport, Vol 31, Iss 3 (2016)
Coatings based on epoxy diane oligomer ED-20 are being developed as environmentally benign, foulingresistant marine coatings. Silver oxide and carbonate (mixture) was used as filler, the dispersion of which is 0.5 µm. It is proved that for the forma
Externí odkaz:
https://doaj.org/article/51a6caa29b694071b53d1ceb5c48e7b5
Autor:
Serhii Zinchenko, Oleh Tovstokoryi, Oleksandr Sapronov, Kostiantyn Tymofeiev, Andrii Petrovskyi, Artem Ivanov
Publikováno v:
Technology audit and production reserves. 1:25-29
The object of research is the processes of automatic optimal passing of one's own ship with many dangerous targets, including maneuvering ones, by the method of constructing the area of permissible passing parameters in the on-board computer. Accordi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dd58efc04feb7c8ac37bacdedb95521
https://doi.org/10.15587/2706-5448.2023.274296
https://doi.org/10.15587/2706-5448.2023.274296