Zobrazeno 1 - 10
of 36
pro vyhledávání: '"V. V. Krasil'nikov"'
Publikováno v:
Ceramics International. 45:14338-14346
Formation of silicon affects different physical properties of silicon nitride ceramics. Decomposition of Si3N4 and formation of free Si are highly important processes and depend on many factors. The proposed method of combined nano-Raman spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c28ea877fb7d833a4a7d464bfc5e8b5a
https://doi.org/10.1016/j.ceramint.2019.04.148
https://doi.org/10.1016/j.ceramint.2019.04.148
Publikováno v:
Ceramics International. 45:9497-9501
It has been shown that the grain growth and amount of the glass phase influence the electrical resistivity of pressureless sintered and spark plasma sintered silicon nitride. Sintering additives strongly affect the impurity conductivity of pressurele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61f9536e4f0d470ad2188da3d55bba8e
https://doi.org/10.1016/j.ceramint.2018.09.198
https://doi.org/10.1016/j.ceramint.2018.09.198
Publikováno v:
Nanoscale Research Letters, Vol 12, Iss 1, Pp 1-6 (2017)
Nanoscale Research Letters
Nanoscale Research Letters
The microstructure and phase composition of the high-content Al2O3-Y2O3-doped spark plasma-sintered silicon nitride were investigated. Fully dense silicon nitride ceramics with a typical α-Si3N4 equiaxed structure with average grain size from 200 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f85a23dc14008ec07f316408e1b6d739
http://link.springer.com/article/10.1186/s11671-017-2067-z
http://link.springer.com/article/10.1186/s11671-017-2067-z
Autor:
S. E. Savotchenko, V. V. Krasil’nikov
Publikováno v:
Technical Physics. 60:1031-1038
We propose models of grain-boundary diffusion with a time-dependent diffusion coefficient, which is due to nonequilibrium nature of grain boundaries. It is shown that an increase in the excess energy of nonequilibrium boundaries leads to an increase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f126f1d0024826d2c987c92a3f062e4
https://doi.org/10.1134/s1063784215070154
https://doi.org/10.1134/s1063784215070154
Publikováno v:
2017 IEEE 7th International Conference Nanomaterials: Application & Properties (NAP).
This article describes the effects of aluminum, yttrium and magnesium oxides on the microhardness of silicon nitride ceramics. Such methods as spark plasma sintering and standard sintering in a nitrogen atmosphere for a short time were chosen. The te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77b469a572c43050bc32c718c4c72a68
https://doi.org/10.1109/nap.2017.8190360
https://doi.org/10.1109/nap.2017.8190360
Publikováno v:
2017 IEEE 7th International Conference Nanomaterials: Application & Properties (NAP).
This paper describes an analytical investigation of radio engineering characteristics of the silicon nitride ceramics. The temperature dependences of the dielectric permittivity and the dielectric loss tangent are determined in an explicit analytical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ea2ca33266cfba533f329ac63a62665
https://doi.org/10.1109/nap.2017.8190359
https://doi.org/10.1109/nap.2017.8190359
Publikováno v:
2017 IEEE 7th International Conference Nanomaterials: Application & Properties (NAP).
Investigation of the stress distribution in the disk sample by finite element method was carried out. A close coincidence of the experimental data with the presented model was found. Pleminary results are reported in this paper. Such physical propert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::112e89de3e6e3726f68b1dcf69a518d1
https://doi.org/10.1109/nap.2017.8190358
https://doi.org/10.1109/nap.2017.8190358
Publikováno v:
2016 International Conference on Nanomaterials: Application & Properties (NAP).
The microstructure and mechanical properties of sintered silicon nitride ceramics were described. Fracture toughness, microhardness and bending strength were measured. The work is aimed to show that obtained material has moderately high strength, hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08e3bc224eb64eab6868b16c85e4e0d7
https://doi.org/10.1109/nap.2016.7757310
https://doi.org/10.1109/nap.2016.7757310
Autor:
S. E. Savotchenko, V. V. Krasil’nikov
Publikováno v:
Russian Metallurgy (Metally). 2011:91-97
A statistical model is proposed for describing the crystallite size distribution in a polycrystalline silver film irradiated by helium ions. The adequacy of the model, where it is found that the crystallite sizes obey a bimodal law, being represented
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21f05098e914575d95475762580e10a4
https://doi.org/10.1134/s0036029511010113
https://doi.org/10.1134/s0036029511010113
Autor:
S. E. Savotchenko, V. V. Krasil’nikov
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 74:1555-1558
Evolution of radiation barrier (vacancies and interstitials) clusters is analyzed under low temperature radiation in the presence of the most important secondary effects: recombination and formation of divacancy complexes. It is proposed a barrier ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff7388e2c383fdaa856b7c3d0dd82a11
https://doi.org/10.3103/s1062873810110146
https://doi.org/10.3103/s1062873810110146