Search Results - "Alad’ev, N. A."

Intermetallic Alloys Based on γ'Ni3Al: Part I. Features of the Structure, Formation of (γ' + γ) Structures, and Alloying by Drozdov, A. A., Povarova, K. B., Bazyleva, O. A., Antonova, A. V., Bulakhtina, M. A., Alad’ev, N. A., Morozov, A. E., Pavlov, I. S.

“…γ'Ni 3 Al-based casting alloys have a lower density, higher melting point and resistance to oxidation, and a higher ceiling of operating temperatures than…”
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Changes in the Structural-Phase State and Mechanical Properties of Ni3Al–Ni–NiAl Cast Alloys Containing Chromium, Molybdenum, Tungsten, Rhenium, and Cobalt after Heat Treatment by Povarova, K. B., Drozdov, A. A., Bazyleva, O. A., Morozov, A. E., Antonova, A. V., Bulakhtina, M. A., Alad’ev, N. A.

“…The influence of the temperature–time parameters (temperature from 1000 to 1300°C, time from 1 to 500 h) of heat treatment (HT) of 〈001〉 and 〈111〉 single…”
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Dispersion Hardening of Composites in the System Aluminum Oxide and Cerium Cation Stabilized Tetragonal Zirconium Dioxide by Podzorova, L. I., Il’icheva, A. A., Pen’kova, O. I., Alad’ev, N. A., Baikin, A. S., Konovalov, A. A., Morokov, E. S.

“…The production of composites based on nanopowders synthesized by the sol-gel method in the system aluminum oxide and tetragonal zirconium dioxide stabilized by…”
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Phase equilibria in Mg-Y-Gd-Sm alloys by Rokhlin, L. L., Luk’yanova, E. A., Dobatkina, T. V., Alad’ev, N. A., Korol’kova, I. G.

“…Differential thermal, metallographic, and electron microprobe analyses are used to study the effect of samarium on the temperatures and character of the phase…”
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Effect of the thermal component of barothermal treatment on the carbide phase component of a cast nickel alloy by Veselov, A. N., Talanova, G. V., Alad’ev, N. A., Padalko, A. G.

“…Electron-probe microanalysis, scanning electron microscopy, and optical quantitative metallography are used to study the behavior of the carbides in a…”
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Titanium-to-rutile oxidation kinetics in the direct-oxidation fabrication of thin-wall ceramics by Solntsev, K. A., Zufman, V. Yu, Alad’ev, N. A., Shevtsov, S. V., Chernyavskii, A. S., Stetsovskii, A. P.

“…The oxidation kinetics of titanium preforms for the direct-oxidation fabrication of thin-wall ceramics have been studied in the temperature range 750–1100°C…”
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Interrelation of morphological features of ZrO2 – CeO2 nanopowders with ceramic characteristics by Podzorova, L. I., Il’icheva, A. A., Pen’kova, O. I., Kutsev, S. V., Alad’ev, N. A., Shvorneva, L. I.

“…The dimensional and morphological parameters of ZrO 2 – CeO 2 nanopowders obtained from carbonate and hydroxide precursors have been investigated. The effect…”
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Preparation of silicon carbide whiskers from silicon nitride by Kargin, Yu. F., Ivicheva, S. N., Lysenkov, A. S., Alad’ev, N. A., Kutsev, S. V., Shvorneva, L. I.

“…Silicon carbide whiskers have been prepared by sintering silicon nitride powder in a graphite reactor at 1800°C under a nitrogen atmosphere. The whiskers…”
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Unusual shape formation in aerosol powder particles by Galakhov, A. V., Vinogradov, L. V., Antipov, V. I., Alad’ev, N. A., Kolmakov, A. G.

“…With electron microscope study of powder of the composition ZrO 2 + 3 mol.% Y 2 O 3 , prepared by spray pyrolysis from solution, containing exothermic reaction…”
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Nanofilaments of Si3N4 by Kargin, Yu. F., Ivicheva, S. N., Ovsyannikov, N. A., Lysenkov, A. S., Chernyavsky, A. S., Alad’ev, N. A., Kutsev, S. V.

“…Silicon nitride nanofilaments were synthesized at 1600°C in nitrogen on the surface of a ceramic substrate made of amorphous silicon oxynitride obtained by…”
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Decomposition of the γ solid solution in a nickel-based cast alloy at a high uniform pressure by Veselov, A. N., Alad’ev, N. A., Talanova, G. V., Padalko, A. G.

“…The formation of γ′ particles in an as-cast nickel alloy at barothermal treatment temperatures of 1235, 1260, and 1320°C and a pressure of 175 MPa for an…”
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Microstructure and phase composition of ZrO2-CeO2-Al2O3 materials modified with MgO and Y2O3 by Podzorova, L. I., Shvorneva, L. I., Il’icheva, A. A., Alad’ev, N. A., Pen’kova, O. I.

“…This paper presents our findings on phase formation processes during heat treatment of sol-gel synthesis products with the composition (mol %) 65(88ZrO 2 +…”
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Precipitation of the γ′ phase in a nickel alloy under conditions of static barothermal treatment by Padalko, A. G., Avdyukhin, S. P., Veselov, A. N., Talanova, G. V., Alad’ev, N. A.

“…The effect of the thermal component of barothermal treatment on a nickel alloy is studied near the solidus temperature. Under a static pressure of 180 MPa,…”
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α-Al2O3 powders from amorphous alumina gel by Galakhov, A. V., Zelenskii, V. A., Alad’ev, N. A., Kovalenko, L. V.

“…We have studied the properties of α-Al 2 O 3 powders prepared from amorphous alumina gel. The powders have a small particle size owing to the low synthesis…”
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Preparation of Silicon Nitride and Oxonitride by Gas-Phase Pyrolysis of Hexamethyldisilazane by Ovsyannikov, N. A., Kargin, Yu. F., Lysenkov, A. S., Alad’ev, N. A., Ivicheva, S. N., Solntsev, K. A.

“…The technique was developed, the installation was done, and the conditions for the production of Si 3 N 4 and Si 2 N 2 O by the method of gas-phase pyrolysis…”
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High-Temperature β-NiAl + γ'-Ni3Al + γ-Ni Alloys of the Ni–Al–Co System by Povarova, K. B., Bazyleva, O. A., Drozdov, A. A., Morozov, A. E., Antonova, A. V., Sirotinkin, V. P., Bulakhtina, M. A., Arginbaeva, E. G., Alad’ev, N. A.

“…The oxidation resistance of cast β-NiAl + γ'-Ni 3 Al + γ-Ni alloys of the Ni–Al–Co system in air at 1100, 1200, and 1300°C for 100 h is studied. An increase in…”
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Preparation of fine-grained ceramics by hot-pressing of Ce0.09Zr0.91O2/MgO/Al2O3 nanopowder by Trusova, E. A., Khrushcheva, A. A., Lysenkov, A. S., Alad’ev, N. A.

“…We have studied the effect of hot-pressing conditions (different pressure rise rates and isothermal holding temperatures in the range 1450–1550°C) on the…”
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The problem of thermal stability of ceramic materials by Ivanov, D A, Balabanov, A S, Fomina, G A, Alad'ev, N A, Val'yano, G E

“…The thermal stability of ceramic materials is considered from the standpoint of fracture mechanics as a property determined by the capacity of the structure to…”
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Aerosol powders with fractal structure by Galakhov, A. V., Alad’ev, N. A.

“…The scanning electron microscopy of ZrO 2 -Y 2 O 3 (3 mol %) powder obtained by combustionspray pyrolysis revealed particles of unusual morphology: hollow…”
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Structural heat-resistant β-NiAl + γ′-Ni3Al alloys of the Ni–Al–Co system: I. Solidification and structure by Povarova, K. B., Drozdov, A. A., Bazyleva, O. A., Morozov, A. E., Antonova, A. V., Bondarenko, Yu. A., Bulakhtina, M. A., Ashmarin, A. A., Arginbaeva, E. G., Alad’ev, N. A.

“…When analyzing the ternary Ni–Al– M phase diagrams, where M is a group VI–VIII transition metal, we chose the Ni–Al–Co system, where the γ′ and γ phases are in…”
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