Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Andrey O. Zhigachev"'
Publikováno v:
Ceramics, Vol 5, Iss 4, Pp 642-654 (2022)
Solid oxide fuel cells (SOFCs) are promising devices for electrical power generation from hydrogen or hydrocarbon fuels. The paper reports our study of CaO-SiO2-B2O3 material with composition 36 mol.% SiO2, 26 mol.% B2O3, and 38 mol.% CaO as a high-t
Externí odkaz:
https://doaj.org/article/e5cc3c6f834041e2bd415525dd8cbae7
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 6, Pp 6086-6093 (2019)
The effect of titania doping on density, phase composition, and mechanical properties of calcia-stabilized tetragonal zirconia ceramics (Ca-TZP) was investigated. The samples were prepared via milling, spray drying and consequent uniaxial pressing of
Externí odkaz:
https://doaj.org/article/561a87f98fc645829e77321c2fd43c70
Autor:
Alexander I. Tyurin, Vyacheslav V. Rodaev, Svetlana S. Razlivalova, Viktor V. Korenkov, Andrey O. Zhigachev, Vladimir M. Vasyukov, Yuri I. Golovin
Publikováno v:
Nanomaterials, Vol 10, Iss 11, p 2097 (2020)
The mats of yttria-stabilized tetragonal zirconia nanofibers were prepared using electrospinning. The effect of calcination temperature in the range of 600–1200 °C on their microstructure, phase composition and mechanical properties was investigat
Externí odkaz:
https://doaj.org/article/1fe14eaade014601943a29a6d7301397
Autor:
Vyacheslav V. Rodaev, Svetlana S. Razlivalova, Alexander I. Tyurin, Andrey O. Zhigachev, Yuri I. Golovin
Publikováno v:
Fibers, Vol 7, Iss 10, p 82 (2019)
For the first time, dense nanofibers of yttria-stabilized tetragonal zirconia with diameter of ca. 140 nm were prepared by calcination of electrospun zirconium acetylacetonate/yttrium nitrate/polyacrylonitrile fibers at 1100−1300 °C. Ceramic filam
Externí odkaz:
https://doaj.org/article/e6da626895364db587862f2164a44ba9
Autor:
Vyacheslav V. Rodaev, Mariya A. Shchukina, Nikolay V. Lyskov, Andrey O. Zhigachev, Darya V. Zhigacheva
Publikováno v:
Ceramics International. 47:32490-32504
The shortcomings of high-temperature solid oxide fuel cells necessitate research on SOFCs designs that are capable of operation at intermediate temperatures (600–800 °C), the so-called intermediate-temperature SOFCs. One of the limitations for the
Publikováno v:
Physics of the Solid State. 63:295-299
The effect of Al2O3 and SiO2 admixtures on strength properties of calcia-stabilized zirconia ceramics is studied. Optimal ratios of the components of CaO–ZrO2 + Al2O3 + SiO2 are determined; at these ratios, high flexural and compressive strength li
Publikováno v:
Technical Physics. 65:2016-2025
The influence of SiO2 impurity (with a concentration varying from 0 to 10 mol %) on the stability of tetragonal ZrO2 (t-ZrO2) and on a set of micro- and macromechanical properties of calcia-stabilized (CCaO = 6.5 mol %) alumina-toughened ( $${{C}_{{{
Autor:
V. V. Korenkov, S. S. Razlivalova, Yuri I. Golovin, Alexander I. Tyurin, Vyacheslav V. Rodaev, Andrey O. Zhigachev
Publikováno v:
Materials
Volume 14
Issue 16
Materials, Vol 14, Iss 4676, p 4676 (2021)
Volume 14
Issue 16
Materials, Vol 14, Iss 4676, p 4676 (2021)
Wet high-energy milling and uniaxial pressing are used to fabricate CaO-stabilized tetragonal zirconia polycrystalline ceramic (Ca-TZP) with decent mechanical characteristics, i.e., a hardness of 11.5 GPa, Young’s modulus of 230 GPa, and fracture t
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 6, Pp 6086-6093 (2019)
The effect of titania doping on density, phase composition, and mechanical properties of calcia-stabilized tetragonal zirconia ceramics (Ca-TZP) was investigated. The samples were prepared via milling, spray drying and consequent uniaxial pressing of
Publikováno v:
Technical Physics. 64:86-91
We have studied the effect of the ratio between concentrations of zirconium dioxide (stabilized by CaO) and corundum on phase composition and mechanical properties of nanostructured CaO–ZrO2–Al2O3 ceramic composites. The CaO–ZrO2–Al2O3 compos