Zobrazeno 1 - 10
of 173
pro vyhledávání: '"V., Nokhrin A."'
Autor:
S., Alekseeva L., V., Nokhrin A., A., Yunin P., A., Nazarov A., I., Orlova A., A., Skuratov V., T., Issatov A., S., Kovylin R., A., Murashov A., S., Boldin M., V., Voronin A., N., Chuvil'deev V., A., Zotov D.
Oxide Y2.5Nd0.5Al5O12 (YAG:Nd) with garnet structure was synthesized in the powder and ceramics forms. Fine-grained YAG:Nd ceramics with a relative density of ~99% were obtained by the Spark Plasma Sintering method (SPS). The radiation resistance of
Externí odkaz:
http://arxiv.org/abs/2312.05820
Autor:
V., Melekhin N., S., Boldin M., M., Bragov A., R., Filippov A., A., Popov A., V., Shotin S., V., Nokhrin A., N., Chuvil'deev V., A., Murashov A., Yu., Tabachkova N.
The results of dynamic strength tests of the alumina ceramics with various grain sizes are presented. The ceramics were obtained by Spark Plasma Sintering (SPS) of industrial submicron and fine Al2O3 powders. The heating up was performed with the rat
Externí odkaz:
http://arxiv.org/abs/2204.10401
Autor:
A. A. Aleksandrov, A. I. Orlova, D. O. Savinykh, M. S. Boldin, S. A. Khainakov, A. A. Murashov, A. A. Popov, G. V. Shcherbak, S. Garcia-Granda, A. V. Nokhrin, V. N. Chuvil’deev, N. Yu. Tabachkova
Publikováno v:
Ceramics, Vol 6, Iss 1, Pp 278-298 (2023)
The structure, microstructure, coefficient of thermal expansion (CTE), and mechanical properties of Na1+2xZr2−xCox(PO4)3 ceramics (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were studied. Na1+2xZr2−xCox(PO4)3 submicron powders with the NaZr2(PO4)3 structure
Externí odkaz:
https://doaj.org/article/e8b8e415e5984fa58d8b2209739f88c3
Autor:
Dmitriy A. Mikhaylov, Ekaterina A. Potanina, Aleksey V. Nokhrin, Albina I. Orlova, Pavel A. Yunin, Nikita V. Sakharov, Maksim S. Boldin, Oleg A. Belkin, Vladimir A. Skuratov, Askar T. Issatov, Vladimir N. Chuvil’deev, Nataliya Y. Tabachkova
Publikováno v:
Ceramics, Vol 5, Iss 2, Pp 237-252 (2022)
This paper reports on the preparation of xenotime-structured ceramics using the Spark Plasma Sintering (SPS) method. Y0.95Gd0.05PO4 (YPO4:Gd) phosphates were obtained using the sol-gel method. The synthesized powders were nanodispersed and were agglo
Externí odkaz:
https://doaj.org/article/7edd525f7f1c4d769e8ec7e4d166ac99
Autor:
Aleksey V. Nokhrin, Nataliya V. Malekhonova, Vladimir N. Chuvil’deev, Nikolay V. Melekhin, Anatoliy M. Bragov, Andrey R. Filippov, Maksim S. Boldin, Eugeniy A. Lantsev, Nikita V. Sakharov
Publikováno v:
Metals, Vol 13, Iss 8, p 1432 (2023)
The present work was aimed at the investigation of the effect of high-energy ball milling (HEBM) time on the sintering kinetics, structure, and properties of the heavy tungsten alloy (HTA) W-7%Ni-3%Fe. The HTA samples were obtained from nanopowders (
Externí odkaz:
https://doaj.org/article/6a2b0abf988a46999a7527ef0ef0003c
Autor:
Aleksey V. Nokhrin, Galina S. Nagicheva, Vladimir N. Chuvil’deev, Vladimir I. Kopylov, Aleksandr A. Bobrov, Nataliya Yu. Tabachkova
Publikováno v:
Materials, Vol 16, Iss 5, p 2114 (2023)
The conductor aluminum alloys of Al-0.25wt.%Zr alloyed additionally with X = Er, Si, Hf and Nb were the objects of our investigations. The fine-grained microstructure in the alloys was formed via equal channel angular pressing and rotary swaging. The
Externí odkaz:
https://doaj.org/article/442e3a381192479ba4dd66033bcb7d12
Autor:
Konstantin E. Belozerov, Ilia S. Avrusin, Lyubov I. Andaryanova, Anna M. Guseva, Zaira S. Shogenova, Irina N. Belanovich, Anna V. Lobacheva, Tatiana L. Kornishina, Eugenia A. Isupova, Vera V. Masalova, Olga V. Kalashnikova, Andrey V. Nokhrin, Tatyana F. Panova, Yulia P. Dutova, Svetlana L. Myshkovskaya, Kirill Y. Kostyunin, Andrey B. Komissarov, Vyacheslav G. Chasnyk, Liudmila V. Bregel, Mikhail M. Kostik
Publikováno v:
Biomedicines, Vol 11, Iss 3, p 870 (2023)
Background: Several cases of skin and central nervous system vasculopathy associated with COVID-19 in children have been published, but the information is rather limited. Our study aimed to describe these cases of vasculitis associated with COVID-19
Externí odkaz:
https://doaj.org/article/e9d78b0cf04644ebb72d4e6998a0e443
Autor:
M. E. Karaeva, D. O. Savinykh, A. I. Orlova, A. V. Nokhrin, M. S. Boldin, A. A. Murashov, V. N. Chuvil’deev, V. A. Skuratov, A. T. Issatov, P. A. Yunin, A. A. Nazarov, M. N. Drozdov, E. A. Potanina, N. Y. Tabachkova
Publikováno v:
Materials, Vol 16, Iss 3, p 965 (2023)
This paper introduces the results of hydrolytic stability tests and radiation resistance tests of phosphate molybdates and phosphate tungstates Na1−xZr2(PO4)3−x(XO4)x, X = Mo, W (0 ≤ x ≤ 0.5). The ceramics characterized by relatively high den
Externí odkaz:
https://doaj.org/article/46d60e5764a74e49958f5cc028477dd4
Autor:
M. E. Karaeva, D. O. Savinykh, A. I. Orlova, S. A. Khainakov, A. V. Nokhrin, M. S. Boldin, S. Garcia-Granda, A. A. Murashov, V. N. Chuvil’deev, P. A. Yunin, A. A. Nazarov, N. Y. Tabachkova
Publikováno v:
Materials, Vol 16, Iss 3, p 990 (2023)
Submicron-grade powders of Na1-xZr2(PO4)3-x(XO4)x compounds (hereafter referred to as NZP) and Ca1-xZr2(PO4)3-x(XO4)x compounds (hereafter, CZP), X = Mo, W (0 ≤ x ≤ 0.5) were obtained by sol-gel synthesis. The compounds obtained were studied by X
Externí odkaz:
https://doaj.org/article/a5ed8531807a4987a7a6b751d23ef57c
Autor:
Aleksey V. Nokhrin, Mikhail Yu. Gryaznov, Sergey V. Shotin, Galina S. Nagicheva, Mikhail K. Chegurov, Aleksandr A. Bobrov, Vladimir I. Kopylov, Vladimir N. Chuvil’deev
Publikováno v:
Metals, Vol 13, Iss 1, p 133 (2023)
This research was undertaken to study the way deformation behaves in ultrafine-grained (UFG)-conducting Al-Zr alloys doped with Sc, Hf, and Yb. All in all, eight alloys were studied with zirconium partially replaced by Sc, Hf, and/or Yb. Doping eleme
Externí odkaz:
https://doaj.org/article/99f00e4cc6f345b8b421f1d4069a6f28