Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Bogdan Vasyliv"'
Publikováno v:
Crystals, Vol 14, Iss 7, p 648 (2024)
The journal Crystals retracts the article titled, “The Effect of Treatment Temperature on Microstructure and Mechanical Behavior of a Fine-Grained YSZ–NiO(Ni) Anode Material” [...]
Externí odkaz:
https://doaj.org/article/991398afed7642f2aac98223358f7935
Autor:
Volodymyr Kulyk, Bogdan Vasyliv, Zoia Duriagina, Pavlo Lyutyy, Valentyna Vavrukh, Andrii Kostryzhev
Publikováno v:
Crystals, Vol 14, Iss 2, p 175 (2024)
The lifetime of products made of ceramic materials is related to their mechanical characteristics such as strength, hardness, wear resistance, and fracture toughness. The purpose of this work was to study the effect of sintering temperature on the ph
Externí odkaz:
https://doaj.org/article/6f5dbe4c504c479f9e0f2e3a55829816
Publikováno v:
Diagnostyka, Vol 23, Iss 3, Pp 1-6 (2022)
The method of calculation of natural frequencies and forms of oscillations of a two-link mechanical system of a robot manipulator is proposed. Links of the system are considered as straight rods with a step change of cross-sectional parameters. The e
Externí odkaz:
https://doaj.org/article/28f249b657c84ff28352906931420851
Publikováno v:
Crystals, Vol 13, Iss 6, p 944 (2023)
Reduction–oxidation (redox) cycling of a solid oxide fuel cell (SOFC) due to leakage of a fuel or standby and shutdown cycling is an issue that has attracted the attention of many research groups for a long time. The researchers mainly note the har
Externí odkaz:
https://doaj.org/article/da4c8f705bb443dea1667b4a32904412
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11617 (2022)
Currently, ceramics are widely used in various industry branches, especially in energy, chemistry, and aerospace, as well as in medicine. Yttria-stabilized zirconia (YSZ) having unique electrical, thermal, and mechanical properties is one of the most
Externí odkaz:
https://doaj.org/article/e5945cc23bb94c1fa080f515728ce7d2
Publikováno v:
Nanoscale Research Letters, Vol 12, Iss 1, Pp 1-5 (2017)
Abstract The YSZ–NiO ceramics for solid oxide fuel cells (SOFCs) anode have been investigated. A series of specimens were singly reduced in a hydrogenous atmosphere (Ar–5 vol% H2 mixture) at 600 °C under the pressure of 0.15 MPa or subjected to
Externí odkaz:
https://doaj.org/article/a00aecf795d541b7858fdded8096c16b
Publikováno v:
Metals, Vol 11, Iss 3, p 434 (2021)
Laser alloying is an effective method to form functional surface layers (coatings) on metallic materials, particularly on stainless steels. Unique phase balance, dislocation substructure, and a possibility to obtain gradient microstructures after las
Externí odkaz:
https://doaj.org/article/63c79f4e9e4945edaf3943ffa43d9f25
Autor:
Yehor Brodnikovskyi, Bogdan Vasyliv, Viktoriya Podhurska, Mariusz Andrzejczuk, Nikkia McDonald, Oleksandr Kyrpa, Orest Ostash, Robert Steinberger-Wilckens, Malgorzata Lewandowska
Publikováno v:
Journal of Electrochemical Science and Engineering, Vol 6, Iss 1 (2016)
Yttria stabilized zirconia with a nickel catalyst (Ni-YSZ) is the most developed, widely used cermet anode for manufacturing Solid Oxide Fuel Cells (SOFCs). Its electro-catalytic properties, mechanical durability and performance stability in hydrogen
Externí odkaz:
https://doaj.org/article/ef694677548c47d098e9322e06ecabf4
Autor:
Bogdan Vasyliv, Author
In contrast to previous epochs, we live in a “new ceramic world” where advanced ceramics are engineered for specific applications. This book highlights studies in the fields of fracture mechanics and materials science as promising avenues for the
Autor:
Leonid Akhkozov, Igor Danilenko, Viktoriya Podhurska, Artem Shylo, Bogdan Vasyliv, Orest Ostash, Andriy Lyubchyk
Publikováno v:
International Journal of Hydrogen Energy. 47:41359-41371
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30c6db1d95a5d78f30a265dba4dae894
https://doi.org/10.1016/j.ijhydene.2021.11.193
https://doi.org/10.1016/j.ijhydene.2021.11.193