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Article
Thermal Conductivity of a Hot-Pressed AlB12–AlN Ceramic Composite
The results of studying the thermal conductivity of hot-pressed AlB12–AlN ceramic composites with different AlN concentrations were presented. The thermal conductivity coefficient was measured for composite speci...
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Article
Effect of Varying Graphite Concentration on Electrodynamic Properties of AlN-Based Composite Materials
The electrodynamic properties of new composite materials, produced by free sintering based on AlN with the addition of 1–5 wt % of diamond powder, were investigated in the frequency range of 1–10 GHz. Structur...
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Article
Physicomechanical Properties of Coatings Based on Max Ti2AlC and (Ti, Nb)2AlC Phases at 20°C and 500°C
Physicomechanical characteristics of 15Kh16k5N2MVFAB-Sh steel (0.15C–16Cr–5Co–2Ni–0.7V–0.6Mo–0.3Nb–0.4N): wear resistance at 20°C and 500°C and resistance to fretting fatigue at 20°C without and with coatings ...
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Article
Features of the Microstructure and Thermal Conductivity of Large-Size Parts from Pressureless Sintered AlN-Based Ceramic Composite
We present the results of the study of the microstructure of a ceramic composite based on aluminum nitride with different concentrations of yttrium oxide, synthesized by pressureless sintering. The thermal con...
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Article
Light Interconnects for Medium-Temperature (550–650°С) Solid-Oxide Fuel Cells
We study the heat resistance and electric conductivity of the specimens of Crofer 22 APU steel, which is traditionally used for the production of interconnects of solid-oxide fuel cells, a bulk composite based...
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Chapter and Conference Paper
Wear Resistance of Ti–Al–C MAX Phases-Based Materials for Pantographs Inserts of Electric Vehicles
The mechanical and physical properties, such as microhardness, strength, wear resistance, and electrical conductivity, of the materials for the tram pantograph contact insert, which is worked with the contact ...
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Article
The Effect of Technological Production Conditions on the Ability of AlN–Y2O3–С-Based Composite Materials to Absorb Microwave Radiation
New composite materials based on AlN–Y2O3–С have been created for use as absorbers of microwave radiation in vacuum electronics. X-ray diffraction and structural studies have shown that the major phases in the st...
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Article
Influence of the Technology of Production of Composites Based on the MAX Phases of Titanium on the Process of Wear in Contact with Copper. Part 2. Single-Stage Technology
We study the microhardness, micromechanism of fracture, fracture resistance under static bending, and wear resistance of candidate materials for the electric-contact inserts of streetcar pantographs operating ...
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Article
Influence of the Technology of Production of Composites Based on the Max Phases of Titanium on the Process of Wear in Contact with Copper. Part 1. Two-Stage Technology
We study the tribological properties of materials used as electrocontact inserts of the tram pantographs in couples with M1copper of the contact wires of power electric circuits. As promising materials for the...
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Article
Effect of the Additive of Y2O3 on the Structure Formation and Properties of Composite Materials Based on AlN–SiC
The results of studies on the strength at bending and volumetric electrical resistance of composite materials based on AlN–SiC with additions from 2 to 6 wt % Y2O3. It is shown that at increasing the content of Y...
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Article
Erratum to: “structure and properties of superhard materials based on aluminum dodecaboride α-AlB12”
We would like to inform you that a sad mistake was made in one of our articles in “Journal of Superhaed Materials”, 2017, vol. 39, no. 5, pp. 299–307. The article is “Structure and Properties of Superhard Mate...
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Article
Structure and properties of superhard materials based on aluminum dodecaboride α-AlB12
The structures and mechanical properties of materials based on α-AlB12 without additives and with additions of carbon and titanium carbide sintered under high (2 GPa) pressure and by hot pressing (30 MPa) in t...
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Article
The effect of size of the SiC inclusions in the AlN–SiC composite structure on its electrophysical properties
AlN–SiC–Y3Al5O12 composite materials with a high absorption of microwave frequency (27–65 dB/cm) produced by pressureless sintering of mixtures consisting of AlN(2H), Y2O3, and SiC (6H) in 46, 4, 50 wt %, respect...
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Article
Formation regularities of structures of AlN-SiC-based ceramic materials
Composite materials based on AlN-SiC have been produced by the pressureless sintering. It has been established that in the formation of the AlN-SiC-Y3Al5O12 structure the yttrium-aluminum garnet locates along the...
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Article
Studies of the oxidation stability, mechanical characteristics of materials based on max phases of the Ti-Al-(C, N) systems, and of the possibility of their use as tool bonds and materials for polishing
Thermogravimetry and differential thermal analysis have been used to study the resistance to the air oxidation of high-density samples of Ti3AlC2, Ti2AlC and Ti2Al(C1−x N x ...
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Article
Processing and oxygenation of YBaCuO melted textured ceramics at high and enhanced pressures and temperatures
It has been established that the oxygenation of the structure of YBa2Cu3O7−δ (Y123) textured ceramic materials under elevated pressure (up to 10–16 MPa) and high temperatures (700–900°C) for a relatively short ti...
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Article
Synthesis of ternary compounds of the Ti-Al-C system at high pressures and temperatures
Ternary carbides have been synthesized from a mixture of Ti, Al, and C powders taken in the stoichiometric relation 3/1.2/2 under quasihydrostatic pressures and temperatures. The amount of the MAX phase in sam...
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Article
Structure, mechanical and functional properties of aluminum nitride-silicon carbide ceramic material
Two-phase ceramic composites of the dielectric-semiconductor type having different semiconducting phase content (aluminum nitride ceramics with uniformly distributed inclusions of silicon carbide of a certain ...
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Article
Improvement of superconductive and mechanical properties of bulk and thin-wall MT-YBCO ceramics in oxygenation
The possibility to oxygenate the YBa2Cu3O7−δ(Y123) structure to 7−δ ≈ 6.9 atoms (which ensures the highest temperature of transition into the superconductive state of this compound) at high temperature (800°C) an...
