Moscow, Russia
Moscow, Russia

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Kuznetsov D.V.,NITU MISiS | Lysov D.V.,NITU MISiS | Nemtinov A.A.,Severstal | Shaleiko A.S.,OOO Severo Zapad Ogneupor | Korol'Kov V.A.,OOO Severo Zapad Ogneupor
Refractories and Industrial Ceramics | Year: 2010

Ashort review is presented of prospects for using nanomaterials in various refractory technologies, and an estimate is given of existing and future directions of their use for improving the operating properties of refractories. The possibility of controlling material properties at the atomic level makes it possible to create new innovative refractory materials and technology. © 2010 Springer Science+Business Media, Inc.


Vekilov Y.K.,NITU MISiS | Mukovskii Y.M.,NITU MISiS
Solid State Communications | Year: 2012

The nature of variable range hopping (VRH) conductivity which is observed in the insulating state of doped rare-earth manganites with perovskite structure is considered in the two component model of metallic-like droplets embedded in dielectric matrix. When the density of the metallic droplets is less than the percolation limit, the system falls into the insulating state with VRH conductivity defined by inter granular tunneling and electrostatic barriers. With temperature increasing the VRH regime is transforming into the hopping regime of small radius polarons. © 2012 Elsevier Ltd. All rights reserved.


Kudrya A.V.,NITU MISiS | Sokolovskaya E.A.,NITU MISiS
Russian Metallurgy (Metally) | Year: 2011

Information technologies provide new possibilities for understanding the nature of strength, ductility, and toughness of metals and new methods for controlling the metal quality. Information technologies can be effectively used in the production of materials under directive technology conditions to increase their quality uniformity. © 2011 Pleiades Publishing, Ltd.


Bryantsev P.Y.,NITU MISiS
Metal Science and Heat Treatment | Year: 2012

Processes of iron phase transformation in low-alloy aluminum alloys of the 6XXX series with short-term homogenizing annealing lasting less than 1 h are studied. Based on estimates of particle shape change the possibility is demonstrated of a significant reduction in homogenizing annealing duration. © 2012 Springer Science + Business Media New York.


Menushenkov V.P.,NITU MISiS | Gorshenkov M.V.,NITU MISiS | Savchenko E.S.,NITU MISiS
Metal Science and Heat Treatment | Year: 2015

The methods of transmission electron microscopy, x-ray diffraction and magnetic measurements are used to study the laws of formation of microstructure and magnetic properties of an AlNi alloy during cooling from the range of single-phase solid solution (1240°C) in water at a critical rate (v ~ 2 K/min) and after 10-min additional annealing of the cooled specimens at 780°C. © 2015, Springer Science+Business Media New York.


Nikitin A.V.,NITU MISiS | Khanzhin V.G.,NITU MISiS
Metal Science and Heat Treatment | Year: 2015

The possibilities of application of recent machine vision computer systems to studying the design, structure, and fracture of composite superconductors are considered. © 2015, Springer Science+Business Media New York.


Menushenkov V.P.,NITU MISiS | Shubakov V.S.,NITU MISiS
Metal Science and Heat Treatment | Year: 2015

The methods of scanning electron microscopy (SEM) and x-ray diffraction analysis (XRDA) are used to study the crystal structure, morphology and sizes of synthesized particles of submicrocrystalline powders of SrFe12O19. © 2015, Springer Science+Business Media New York.


Shandrovskaya E.S.,NITU MISiS | Yagodkin Y.D.,NITU MISiS
Metal Science and Heat Treatment | Year: 2011

X-ray structural analysis, scanning and transmission electron microscopy methods are used to study the structure of nanocrystalline alloys prepared by grinding a mixture of FeO and Co powders in a high-energy mill followed by low-temperature annealing. Magnetic properties of the powders are measured in a vibration magnetometer at room temperature. © 2011 Springer Science+Business Media, Inc.


Mikhailovskaya A.V.,NITU MISiS | Portnoi V.K.,NITU MISiS | Kotov A.D.,NITU MISiS | Zadorozhnyi M.Yu.,NITU MISiS | Golovin I.S.,NITU MISiS
Metal Science and Heat Treatment | Year: 2012

Differences are revealed in the microstructure, superplasticity, and internal friction properties of superplastic specimens of alloys Al - 4.9% Mg - 0.6% Mn and Al - 4.9% Mg - 0.6% Mn - 0.25% Cr. The dynamics of structural changes during alloy superplastic deformation are studied. Effects connected with recrystallization and grain-boundary relaxation on internal friction temperature dependences are identified. © 2012 Springer Science+Business Media New York.


Balakshy V.I.,Moscow State University | Voloshin A.S.,Moscow State University | Molchanov V.Y.,NITU MISIS
Optics and Spectroscopy (English translation of Optika i Spektroskopiya) | Year: 2014

The influence of energy walk-off in an acoustic beam on the characteristic of anisotropic Bragg diffraction of light has been investigated by the example of paratellurite crystal. The angular and frequency characteristics of acousto-optic diffraction have been calculated in wide ranges of ultrasound frequencies and Bragg angles using the modified Raman-Nath equations. It is shown that the walk-off of an acoustic beam may change (either widen or narrow) significantly the frequency and angular ranges. The calculation results have been experimentally checked on an acousto-optic cell made of 10.5°-cut paratellurite crystal. © 2014, Pleiades Publishing, Ltd.

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