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1.
Correlation characteristics of thermal expansion volume coefficient and thermal capacity in corundum
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(At the enterprises and institutes)
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... It is shown that a clear correlation o (C) takes place not only in the low-temperature region (up to ~ 50 K), where it is linear (Gruneisen's law), but also in a wider temperature range, up to the melting ...
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2.
On the Possibility of Precision Control of Thermal Expansion Co-efficient of Transparent Lithium Aluminosilicate Glass-Ceramics
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(Materials and properties)
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For sitalls based on the lithium aluminosilicate system, the possibility of precision regulation of the temperature coefficient of linear expansion (TCLE) near values ??approaching zero in the temperature ...
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3.
Development of the low-melting glasses composition based on bismuth-borate system
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(Science for glass production)
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The results of studying the properties of low-melting lead-free glasses obtained on the basis of the system ZnO - Bi 2 O 3 - B 2 O 3 with additional introduction K 2 O, Al 2 O 3 and SiO ...
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4.
STUDY OF CHARACTERISTICS OF ADHESIVE PERMANENT JOINTS IN REACTION-SINTERED CERAMIC MATERIALS BASED ON SILICON CARBIDE
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(Not-set)
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... of carbide and carbon particles. The joints have the following key structural physical and mechanical characteristics depending on the ratio of the phase components formed in the volumetric joining zone: ...
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5.
MICROSTRUCTURE AND PROPERTIES OF A GLASS-FIBER COMPOSITE DEPENDING ON THE SPECIFIC SURFACE AREA OF THE FILLER – LEAD TITANATE
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(Not-set)
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The microstructure of solder compositions based on high-lead low-melting glass and lead titanate as a crystalline filler correcting the temperature coefficient of linear expansion (TCLE) of solder has ...
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6.
THE EFFECT OF ALKALINE COMPONENTS ON THE PROPERTIES OF DENTAL FILLING GLASSES
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(Not-set)
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The influence of modification of the glasses composition of the strontium-aluminum-borosilicate system on their technological and physic-chemical properties has been studied. The introduction of two alkalis ...
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7.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, ...
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8.
NUCLEATION AND CRYSTALS GROWTH IN THE VOLUME OF GLASS Li2O–Al2O3–SiO2 SYSTEM
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(Not-set)
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... maximum rate of nucleation the crystalline phase of ?-eucryptite-like solid solutions was found. The activation energy of nucleation and the Avrami parameter were measured by the DSC method, allowing to ...
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9.
WOLLASTONITE CERAMICS FROM CHALK AND DIATOMITE FOR REFRACTORY INSULATION
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(Not-set)
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Wollastonite ceramics was obtained from chalk and diatomite by the method of solid-phase synthesis of components. The influence of charge composition, modes of its mechanochemical activation and temperature-time ...
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10.
Insulating Enamel Leaden-Borate Glass Basis
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(Not-set)
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... important advantages of enameled electrodes are simplicity of design, small dimensions and low specific quantity of metal. The mass of such equipment with the same performance is 10 times less than a low-frequency ...
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11.
Thermally Stable Transparent LithiumAluminosilicate Glass-Ceramics Doped with Neodymium Oxide
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(Not-set)
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The effect of Nd 2 O 3 (0.1 - 3.0 & # 37;, molar content) oxide additives on the synthesis conditions, crystallization and spectral properties of heat-resistant sitall of the Li system was studied ...
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12.
Production of aluminum-graphite composite by spark-plasma sintering
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(At the enterprises and institutes)
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An alumina-graphite composite was obtained by the method of spark-plasma sintering. The influence of the size of graphite particles, the compaction temperature and the holding time on the formation of ...
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13.
Silicate glasses permeability to hydrogen
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(Science for glass production)
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Glasses of silicate, borosilicate, aluminosilicate and aluminoborosilicate systems are considered. Expressions have been obtained for determining the activation energy of hydrogen permeability, the hydrogen ...
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14.
Thermal expansivity (at 130 ? 800 K) of borosilicate glasses applica-ble for coupling with silicon in microelectronics
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(At the enterprises and institutes)
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The results of processing measurements of the TLEC and relative elongation of borosilicate glasses of two grades are presented. LK5 and Borofloat 33. The thermomechanical analyzer TMA7100 was used to measure ...
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15.
Refining of non-destructive regimes of laser treatment of glass and ceramic plates
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(Materials processing)
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Within the framework of a quasi-static uncoupled problem of thermoelasticity, one-sided heating of a glass or ceramic plate freely clamped along the contour by a surface source is considered. An analytical ...
