Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Volodymyr Dzyura"'
Autor:
Ihor Hurey, Andy Augousti, Pavlo Maruschak, Alan Flowers, Volodymyr Gurey, Volodymyr Dzyura, Olegas Prentkovskis
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 8053 (2024)
The results of the influence of a range of process liquids on the formation of strengthened nanocrystalline structures in the surface layers of steel samples with different carbon content during thermo-deformation treatment are presented. The liquids
Externí odkaz:
https://doaj.org/article/42a1c1dc99174be080f512a670342503
Publikováno v:
Transport, Vol 38, Iss 3 (2023)
While investigating the variator transmission of vehicles, the relationship between the technological and service parameters of the working surfaces of conical disks treated by technological methods was established. The service properties are propose
Externí odkaz:
https://doaj.org/article/5c39e342ea004e43b677faab9c7f8a70
Autor:
Ihor Hurey, Pavlo Maruschak, Andy Augousti, Alan Flowers, Volodymyr Gurey, Volodymyr Dzyura, Olegas Prentkovskis
Publikováno v:
Lubricants, Vol 11, Iss 10, p 418 (2023)
During the TDT of 41Cr4 steel specimens, a uniformly reinforced white layer with a nano-crystalline structure is formed in the surface layers. The wear resistance of sliding friction without the lubrication of a pair of steel 41Cr4—grey cast iron E
Externí odkaz:
https://doaj.org/article/98f0f976601748719dc24d9563aecf97
Publikováno v:
Aviation, Vol 25, Iss 4, Pp 268-277 (2021)
The basic regularities in the influence of processing parameters on the geometrical characteristics of the partially regular microreliefs, formed on the rotary body face surface, are established. Combinations of partially regular microreliefs are for
Externí odkaz:
https://doaj.org/article/e1d5c961e6b644499f4bacc0e97ce104
Publikováno v:
Journal of Mechanical Engineering, Vol 71, Iss 1, Pp 41-50 (2021)
The scheme of arrangement of grooves of partially regular microrelief of type II shifted by 0.5 angular pitch is considered. Such grooves are formed by vibration on end faces of rotary bodies. An analytical dependence was obtained to determine the re
Externí odkaz:
https://doaj.org/article/def7fa0048c848d7a1e1bf6ea228f476
Autor:
Volodymyr Dzyura, Pavlo Maruschak, Stoyan Slavov, Diyan Dimitrov, Volodymyr Semehen, Oleksandr Markov
Publikováno v:
Machines, Vol 11, Iss 6, p 633 (2023)
In the present work, functional properties of three different types of regular microreliefs, formed by ball burnishing process on flat surfaces are evaluated. For their estimation, heights and material ratio curve’s criteria were used, according to
Externí odkaz:
https://doaj.org/article/ac2940af9d80478db879fae61a7d9c28
Autor:
Volodymyr Gurey, Pavlo Maruschak, Ihor Hurey, Volodymyr Dzyura, Tetyana Hurey, Weronika Wojtowicz
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 7, Iss 3, p 101 (2023)
Thermo-deformation treatment refers to methods of strengthening during which strengthened layers with a nanocrystalline structure are formed in the surface layers by modifying the metal surface layer, which changes its phase and structural and chemic
Externí odkaz:
https://doaj.org/article/17b60e7da68f4142a3900d4026a4dd05
Autor:
Victor Aulin, Oleg Lyashuk, Olexiy Pavlenko, Denis Velykodnyi, Andrii Hrynkiv, Sergii Lysenko, Dmytro Holub, Yuriy Vovk, Volodymyr Dzyura, Mariana Sokol
Publikováno v:
Communications, Vol 21, Iss 2, Pp 3-12 (2019)
Fierce rivalry in the transport market raises serious reassessment and implementation of new approaches to logistics companies and trade enterprises in marketing of goods. To maintain the volume of domestic sales and output to the external one, produ
Externí odkaz:
https://doaj.org/article/2eeee887820a4ffbb1f834dde0b22a9a
Autor:
Bogdan Sokil, Oleg Lyashuk, Mariya Sokil, Yuriy Vovk, Volodymyr Dzyura, Victor Aulin, Roman Khoroshun
Publikováno v:
Communications, Vol 23, Iss 2, Pp B139-B149 (2021)
The method of investigation of the non-linear vibrations of the wheel vehicles with the guided cushioning system has been developed. It is based on the idea of the perturbation methods combined with the theory of special periodic Atebfunctions. All t
Externí odkaz:
https://doaj.org/article/4ab7dbd427b34eada08e3f348d654151
Publikováno v:
Machines, Vol 9, Iss 12, p 366 (2021)
The correlation between the service characteristics of the working surfaces of car parts belonging to the rotary body class, and quality parameters—in particular, the height-related roughness parameter Ra—was estimated. Low values of Ra were foun
Externí odkaz:
https://doaj.org/article/f5aa4eac0daa4ca4bc0db36c174f825a