Zobrazeno 1 - 10
of 149
pro vyhledávání: '"V. M. Chumarev"'
Publikováno v:
Metallurgist. 64:804-809
crude niobium. The phase composition of sublimates formed during the first remelting of crude niobium is studied by scanning electron microscopy and X-ray microanalysis. Sublimates typically form structures of two types, i.e., dendritic and lamellar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::887147c541e5fb954bdedbb50641ab98
https://doi.org/10.1007/s11015-020-01057-x
https://doi.org/10.1007/s11015-020-01057-x
Publikováno v:
Inorganic Materials: Applied Research. 11:264-270
The article gives a theoretical and experimental substantiation of the possibility of vapor transfer of silicon by a sulfide carrier—zinc sulfide. It is shown that, in terms of thermodynamics, the high-temperature interaction of Si with ZnS has all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::574386f9ef72912d3f85523651ba63b0
https://doi.org/10.1134/s2075113320020367
https://doi.org/10.1134/s2075113320020367
Publikováno v:
Physics of the Solid State. 61:1947-1954
The heat capacity of synthesized iron tantalate FeTa2O6 was measured in the temperature range of 323–1103 K by the ratio method using a thermal analyzer combining thermogravimetry and scanning calorimetry. The temperatures of phase transformations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bfbf36835d24a17682cdd1a18929882
https://doi.org/10.1134/s1063783419100159
https://doi.org/10.1134/s1063783419100159
Publikováno v:
Butlerov Communications. 59:132-139
For microalloying of titanium with nitrogen and carbon, the V-Al-N-C complex master alloy is used. One of the main requirements presented by consumers of this ligature to its composition is oxygen content of less than 0.1 % mass. The use of elemental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44276b2568bd0e09eb9a0e168a946e0d
https://doi.org/10.37952/roi-jbc-01/19-59-9-132
https://doi.org/10.37952/roi-jbc-01/19-59-9-132
Autor:
V. M. Chumarev, Lyudmila Yu. Udoeva
Publikováno v:
Butlerov Communications. 59:49-57
The demand for renewable energy sources, including solar, is increasing every year, stimulating researchers to develop innovative technological solutions for obtaining material for photovoltaic modules - solar silicon. The article discusses a new pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fab6470835db42327daedd97ec77fd08
https://doi.org/10.37952/roi-jbc-01/19-59-9-49
https://doi.org/10.37952/roi-jbc-01/19-59-9-49
Publikováno v:
Butlerov Communications. 57:90-100
In order to study the effect of yttrium additives on the oxidation of molybdenum silicide alloys, thermodynamic modeling of the interaction in Mo-Mo3Si-Sc5Si3 и Mo-Mo3Si-NdSi systems with dry and moist air was performed in the temperature range 25-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::738ef4348b6f025b3cb7308bb6c0327e
https://doi.org/10.37952/roi-jbc-01/19-57-2-90
https://doi.org/10.37952/roi-jbc-01/19-57-2-90
Publikováno v:
Butlerov Communications. 57:101-110
In order to study the effect of yttrium additives on the oxidation of molybdenum silicide alloys, thermodynamic modeling of the interaction in the Mo-Mo3Si-Y5Si3 system with dry and moist air was performed in the temperature range 25-2000 °C. To pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be576112bbd374a0edeef78c73e3c385
https://doi.org/10.37952/roi-jbc-01/19-57-2-101
https://doi.org/10.37952/roi-jbc-01/19-57-2-101
Publikováno v:
Butlerov Communications. 57:136-142
The phase composition, microstructure are investigated and the densities of Mo-15.3Si (at. %) hypoeutectic alloys alloyed with vanadium are determined. The main phase components of the alloys and their volumetric contents were determined by X-ray pha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59b44624da543b2866c17f67d26698d5
https://doi.org/10.37952/roi-jbc-01/19-57-1-136
https://doi.org/10.37952/roi-jbc-01/19-57-1-136
Publikováno v:
Journal of Structural Chemistry. 59:1989-1994
High-temperature X-ray diffraction is used to study structural changes and thermal expansion of the synthesized iron niobate sample FeNb2O6 of the orthorhombic modification. It is demonstrated that no phase transformations are observed in the tempera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c766fd414c5333dcb2737aa50caa2286
https://doi.org/10.1134/s0022476618080310
https://doi.org/10.1134/s0022476618080310
Publikováno v:
Inorganic Materials. 54:700-705
Empirical calculational approaches have been used to evaluate the enthalpy, entropy, heat capacity, and melting point of iron(II) niobate and iron(II) tantalate and the coefficients A, B, and C in an equation for the temperature dependence of their h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8ff668ebbec99578405c6b4aff12b3e
https://doi.org/10.1134/s0020168518070087
https://doi.org/10.1134/s0020168518070087