Zobrazeno 1 - 10
of 333
pro vyhledávání: '"Boldin, M."'
Autor:
Lantsev, E. A., Andreev, P. V., Nokhrin, A. V., Blagoveshchenskiy, Yu. V., Isaeva, N. V., Boldin, M. S., Murashov, A. A., Shcherbak, G. V., Smetanina, K. E., Chuvil'deev, V. N., Tabachkova, N. Yu.
The study investigates the density, phase composition, microstructure and mechanical properties (microhardness, fracture toughness) of binderless WC + SiC and WC + SiC + C ceramics obtained by Spark Plasma Sintering (SPS). Nanopowders of a-WC produce
Externí odkaz:
http://arxiv.org/abs/2312.16579
Autor:
Koryttseva, A. K., Orlova, A. I., Litonova, N. S., Nokhrin, A. V., Boldin, M. S., Murashov, A. A., Fukina, D. G., Atopshev, A. A., Smetanina, K. E., Beskrovnyi, A. I., Turchenko, V. A., Tabachkova, N. Y.
The paper presents the investigation of ordinary and ternary vanadates with zircon and monazite structures. Vanadates LnVO4 and CaLnZr(VO4)3 , where (Ln = La, Nd, Sm, Eu, Gd, Dy, Yb) and solid solution La0.3Nd0.5Sm0.1Eu0.1VO4, were prepared by precip
Externí odkaz:
http://arxiv.org/abs/2312.08738
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:
Lantcev, E. A., Nokhrin, A. V., Chuvil'deev, V. N., Boldin, M. S., Blagoveshchenskiy, Yu. V., Andreev, P. V., Smetanina, K. E., Murashov, A. A., Isaeva, N. V., Terentyev, A. V., Tabachkova, N. Yu.
The creep mechanism in the compression testing of the tungsten carbide with different grain sizes has been studied. The WC samples with high density (96.1-99.2%) were obtained by SPS from nano-, submicron, and micron-grade WC powders. The samples had
Externí odkaz:
http://arxiv.org/abs/2209.12308
Autor:
Boldin, M. V., Shabakaeva, A. R.
We consider a stationary linear $AR(p)$ model with zero mean. The autoregression parameters as well as the distribution function (d.f.) $G(x)$ of innovations are unknown. We consider two situations. In the first situation the observations are a sampl
Externí odkaz:
http://arxiv.org/abs/2207.04315
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:
Mikhailov, D. A., Potanina, E. A., Nokhrin, A. V., Orlova, A. I., Yunin, P. A., Sakharov, N. V., Boldin, M. S., Belkin, O. A., Skuratov, V. A., Isatov, A. T., Chuvil'deev, V. N., Tabachkova, N. Y.
The paper reports on the preparation of xenotime-structured ceramics by the Spark Plasma Sintering (SPS) method. Phosphates Y$_{0.95}$Gd$_{0.05}$PO$_4$ (YPO$_4$:Gd) were obtained by the sol-gel method. The synthesized nanopowders are collected in lar
Externí odkaz:
http://arxiv.org/abs/2203.14022
Autor:
Boldin, M. S., Popov, A. A., Nokhrin, A. V., Murashov, A. A., Shotin, S. V., Chuvil'deev, V. N., Tabachkova, N. Yu., Smetanina, K. E.
The effect of temperature modes and heating rates (Vh) on the shrinkage kinetics of submicron and fine aluminum oxide powders has been studied. The objects of research comprised (i) submicron alfa-Al2O3 powder, (ii) submicron alfa-Al2O3 powder with a
Externí odkaz:
http://arxiv.org/abs/2203.12700
Autor:
Mikhaylov, D. A., Potanina, E. A., Orlova, V. A., Boldin, M. S., Murashov, A. A., Voronin, A. V., Nokhrin, A. V., Kordhenkin, K. K., Ryabkov, D. V., Orlova, A. I., Chuvildeev, V. N.
Radiation and hydrolytic resistance of Eu0.054Gd0.014Y0.05La0.111Ce0.2515Pr0.094Nd0.3665Sm0.059PO4 with monazite structure has been studied. The powders were obtained by deposition from solutions. Ceramic specimens with relative density ~97% were obt
Externí odkaz:
http://arxiv.org/abs/2112.00844
Autor:
Karaeva, M. E., Savinykh, D. O., Orlova, A. I., Khainakov, S. A., Nokhrin, A. V., Boldin, M. S., Garcia-Granda, S., Murashov, A. A., Chuvildeev, V. N., Skuratov, V. A., Kirilkin, N. S., Yunin, P. Yu., Tabachkova, N. Yu.
Thermal expansion behavior at high temperatures of synthesized Na$_{1-x}$Zr$_2$(PO$_4$)$_{3-x}$(XO$_4$)$_x$, and Ca$_{1-x}$Zr$_2$(PO$_4$)$_{3-x}$(XO$_4$)$_x$, X = Mo, W compounds has been investigated. Ceramics with relatively high density (more than
Externí odkaz:
http://arxiv.org/abs/2112.00373