Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Valery Kostin"'
Autor:
Petro Loboda, Volodymyr Zvorykin, Constantine Zvorykin, Eduard Vrzhyzhevskyi, Tatjana Taranova, Valery Kostin, Leonid Zvorykin
Publikováno v:
Mechanics and Advanced Technologies, Vol 7, Iss 1 (97), Pp 36-42 (2023)
Natural metal composite materials represent a promising class of modern structural materials that need to be welded. Such materials can be welded by fusion, as has been established with the Ti-TiB alloy as an example. The enhanced operational propert
Externí odkaz:
https://doaj.org/article/e94e05ae30dd41699aa8a9bf8b28b5aa
Autor:
Lyudmila Nyrkova, Pavlo Lisovyi, Larysa Gonchasrenko, Svetlana Osadchuk, Yulia Kharchenko, Anatoly Klymenko, Valery Kostin
Publikováno v:
Zaštita Materijala, Vol 64, Iss 1, Pp 96-106 (2023)
Study of stress-corrosion cracking of welded joints made of X70 steel at cathodic polarization in near neutral solution NS4 was carried out. It was established that the tendency of base metal of X70 steel to stress-corrosion cracking, estimated by KS
Externí odkaz:
https://doaj.org/article/46af663f77ab40518e7178659ab78120
Autor:
Petro Loboda, Constantine Zvorykin, Volodymyr Zvorykin, Eduard Vrzhyzhevskyi, Tatjana Taranova, Valery Kostin
Publikováno v:
Metals, Vol 10, Iss 4, p 522 (2020)
In this article, structural features of Ti-TiB and (α+β) Ti alloys in the initial state, in the weld and in the heat-affected zone of electron beam welds were investigated. The influences of welding parameters, such as influence of the electron bea
Externí odkaz:
https://doaj.org/article/325c2bf382b64b548e9d9d4fc401db11
Autor:
Dmytro Laukhin, Valerii Poznyakov, Valery Kostin, Olexander Beketov, Nataliіa Rott, Yuliia Slupska, Lilia Dadiverina, Olga Liubymova-Zinchenko
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 3, Iss 12 (111), Pp 25-31 (2021)
Welding thermomechanically-strengthened materials is accompanied with certain difficulties in terms of loss of strength characteristics in the zone of thermal influence. This issue can be resolved by using the technological welding schemes that inclu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a18e41867e9bf8c4dffa62e8c80a4fd0
https://doi.org/10.15587/1729-4061.2021.234783
https://doi.org/10.15587/1729-4061.2021.234783
Publikováno v:
Solid State Phenomena. 316:333-339
Analysis of fracture surfaces morphology of material of welded joints of Ti-TiB system alloys and (α + β) Тi alloy, obtained by electron-beam welding under various technological modes, is carried out. Parameters alterable were the electron beam di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6592c8a4d6d2a768af933e9f6f246d80
https://doi.org/10.4028/www.scientific.net/ssp.316.333
https://doi.org/10.4028/www.scientific.net/ssp.316.333
Publikováno v:
Biuletyn Instytutu Spawalnictwa. :7-16
An article present the result of macrostructure formation with distribution of mechanical properties in cross-sections of 8 mm-thick one-sided butt-welded FSW joints of EN AW 6082-T6 alloy which were obtained using three types of specially designed t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46a551804a03d721136f831b5382b62c
https://doi.org/10.17729/ebis.2021.5/1
https://doi.org/10.17729/ebis.2021.5/1
Publikováno v:
Solid State Phenomena. 313:72-81
To improve the structure of metal in welded butt joints of railway rails produced by flash-butt welding and increase the reliability of butt joints, it is advisable to carry out their induction heat treatment using high-frequency currents. Solving th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::713ffeb59654045eede21b7c30ad7a3c
https://doi.org/10.4028/www.scientific.net/ssp.313.72
https://doi.org/10.4028/www.scientific.net/ssp.313.72
Publikováno v:
Solid State Phenomena. 313:106-117
It was revealed that spatial position during laser welding of AISI 321 stainless steel influences the processes in the weld pool and the process of its crystallization. The geometry, structure, distribution of chemical elements depend on the cooling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e88cf097494a420ec32284c7b4d5ba7
https://doi.org/10.4028/www.scientific.net/ssp.313.106
https://doi.org/10.4028/www.scientific.net/ssp.313.106
Autor:
Petro Loboda, T. G. Taranova, E. L. Vrzhyzhevskyi, V. L. Zvorykin, Valery Kostin, C. O. Zvorykin
Publikováno v:
Mechanics and Advanced Technologies; № 1(88) (2020); 141-148
Mechanics and Advanced Technologies, Iss 1(88) (2020)
Mechanics and Advanced Technologies, Iss 1(88) (2020)
The basic regularities and ways of optimizing the production of welded joints of Ti – TiB alloy plates and 12Х18Н10Т steel were studied. The ways to achieve the necessary mechanical characteristics of welded structures from elements with a thick
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a80845e71e480ea34b0528a064a793b5
https://doi.org/10.20535/2521-1943.2020.88.204672
https://doi.org/10.20535/2521-1943.2020.88.204672
Autor:
Maksym Khokhlov, Olga Kushnarova, Artemii Bernatskyi, Valery Kostin, Yevhen Polovetskyi, Olena Berdnikova
Publikováno v:
2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP).
The article presents the results of studying the surface layers of structural steel samples alloyed with 48(WC–W 2 C) + 48Cr + 4Al powder materials mixture using laser-plasma alloying technology. ROFIN-SINAR Nd:YAG-laser DY044 (Germany) with irradi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9847515d0df12d687f9e583343cfad2e
https://doi.org/10.1109/nap51885.2021.9568516
https://doi.org/10.1109/nap51885.2021.9568516