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1.
Temperature Coefficient of Linear Expansion of Ceramic Material Based on Color Metallurgy Wastes, Glaze and its Mechanism of Formation During Firing
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(Utilization of waste)
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Studies have shown that in order to obtain a glazed ceramic material with increased heat resistance, it is necessary that the value of the TEC for the ceramic material be no more than 1.50 - 1.55 & # 37; ...
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2.
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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A detailed consideration of the correlation relationship between the temperature coefficient of volumetric expansion (TCDC) o (T) ?-Al 2 O 3 of corundum and its heat capacity C (T) is carried out. ...
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3.
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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4.
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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5.
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 elongation of glass samples in the temperature range from 130 to 800 K (from ?143 to +526 ° C). The relative error of indirect measurements of TCLE and relative thermal elongation of glasses of both ...
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6.
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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7.
THE EFFECT OF ALKALINE COMPONENTS ON THE PROPERTIES OF DENTAL FILLING GLASSES
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(Not-set)
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... of glass up to 5 mol. %. The coefficient of thermal linear expansion of alkalis decreased from 58 to 50 (??10–7 К–1), and the refractive index nD – from 1.551 to 1.528. However, alkaline components negatively ...
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8.
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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9.
NUCLEATION AND CRYSTALS GROWTH IN THE VOLUME OF GLASS Li2O–Al2O3–SiO2 SYSTEM
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(Not-set)
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The crystallization properties of multicomponent glass based on the Li2O–Al2O3–SiO2 system are investigated. By the Marotta et al method, temperature of 670 ?C at a holding time of 2 hours provides the ...
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10.
WOLLASTONITE CERAMICS FROM CHALK AND DIATOMITE FOR REFRACTORY INSULATION
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(Not-set)
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... wollastonite. The compressive strength of the samples is 22 – 23 MPa at an average density of 1270 – 1300 kg/m3. The material has a stable thermal coefficient of linear expansion (TCLE) under 7.76?10–6 ...
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11.
The Prospects for the Use of Clay Raw Materials From the "Krupeisky Sad" Deposit For Obtaining Heat-Resistant Ceramic Product
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(Not-set)
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The complex study of the mineralogical and chemical composition, as well as the technological properties of clay from the “Krupeisky Sad” deposit of the Republic of Belarus, was carried out. The features ...
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12.
Insulating Enamel Leaden-Borate Glass Basis
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(Not-set)
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... one. At the same time, thermal coefficient of linear expansion values level must be the same as the metal. The highest values of dielectric properties are characteristic of low-alkali and alkali-free glasses ...
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13.
Pilot Testing of Heat-Resistant Citall Coating for High-Temperature Corrosion Protection of Nichrome Alloys
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(Coatings)
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The results of tests in laboratory and production conditions of the developed heat-resistant sitall coatings for the protection of expensive nichrome alloys based on technogenic raw materials are presented. ...
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14.
Electromagnetic Shielding Glass
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(Science for glass production)
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The results of studies of alkaline borosilicate glasses, which are designed to attenuate microwave electromagnetic radiation and have high thermal stability, are presented. The influence of the chemical ...
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15.
Production of aluminum-graphite composite by spark-plasma sintering
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(At the enterprises and institutes)
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... aluminum carbide is revealed. It is shown that the use of larger graphite plates reduces the formation of Al 4 C 3 by almost 2 times. The influence of the graphite content on the density, thermal expansion ...
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16.
Rheological behaviour of borosicate glasses and melts
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(Science for glass production)
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The influence of concentration and structural factors on the nature of the temperature dependence of the viscosity of glasses of the systems K 2 O - B 2 O 3 - SiO 2 and Na 2 O - B 2 O 3 - ...
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17.
Refining of non-destructive regimes of laser treatment of glass and ceramic plates
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(Materials processing)
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... relationship, which is a criterion for the thermal strength of a plate for the case of a linear dependence of Young's modulus and the temperature coefficient of linear expansion of the plate material on ...
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18.
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 ...
