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1.
INFLUENCE OF SOLID-STATE SYNTHESIS TEMPERATURE ON THE CRYSTAL STRUCTURE AND ELECTRICAL PROPERTIES OF CaCu3Ti4O12 CERAMICS
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(Not-set)
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Calcium-copper titanate (CaCu3Ti4O12/CСTO) is a highly demanded material for its colossal dielectric constant and temperature stability. CСTO has many applications as sensors, microwave absorbers, etc. ...
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2.
INFLUENCE OF THE RARE-EARTH FLUORIDES ADDITIVE ON THE STRUCTURE AND PROPERTIES OF THE BOROPHOSPHATE GLASSES
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(Not-set)
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In this work, we investigated borophosphate glasses with additions of 0.5 to 1.5 mol. % of rare-earth fluorides LnF3 (Ln = La, Ce, Nd), considered as simulants of radioactive waste from the now developing ...
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3.
THE PROCESS OF FORMATION OF CRYSTALLINE PHASES IN HEAT-RESISTANT CORDIERITE-CONTAINING ELECTRICAL MATERIALS
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(Not-set)
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The article presents the results of studies of heat-resistant insulating ceramics, as well as a mechanism of cordierite phase formation during single firing of compositions containing polymineral clay ...
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4.
POROUS STRUCTURE OF A COMPOSITE MATERIAL BASED ON CORUNDUM AND GLASS
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(Not-set)
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A composite material obtained by ceramic technology from electrofused corundum and finely dispersed glass is used to simulate the formation of the pore space of a porous ceramic material. According to ...
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5.
INFLUENCE OF THE COMPOSITION OF TWO-COMPONENT BARIUM TITANATE CERAMICS ON LINEAR AND NON-LINEAR DIELECTRIC PROPERTIES
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(Not-set)
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The results of a study of dielectric properties and harmonic coefficient for barium titanate ceramics obtained from a mixture of BaTiO3 powders with particle sizes of 400 and 50 nm at different sintering ...
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6.
PNEUMATIC CLASSIFICATION OF QUARTZ SANDS IN A CROSS-FLOW SEPARATOR
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(Not-set)
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It is shown that the extracted natural quartz sands, widely used in glass, refractory, ceramic, foundry and other industries, as a rule, do not meet the requirements for granulometric composition set by ...
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7.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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8.
Vibrocompacting of Lead-Free Piezoceramic Powder Material Based on Solid Solutions of Potassium and Sodium Niobates
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(Science for ceramic production)
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The possibility of obtaining samples of lead-free piezoelectric ceramics using vibration molding at a pressing pressure of less than 0.3 MPa is being considered. The experiments were carried out on the ...
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9.
Rigid spheres close packing models and possibilities of their use for development of promising ceramics and refractories (review)
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(Science for ceramic production)
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An overview of the current state of theoretical studies of close-packed systems of hard spheres is presented. A description of the main models of regular and random dense packings of rigid spheres is given. ...
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10.
Production of high-density bitstone powders for alumina-based ceramics sintering
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(Science for ceramic production)
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The results of theoretical and experimental studies of methods for obtaining powder fillings with a relative density of more than 0.50 for subsequent sintering of samples of high-density ceramics based ...
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11.
Anomalous thermal expansion in solid-state synthesis of pie-zoceramics based on sodium and potassium niobate solid solu-tions
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(Science for ceramic production)
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During solid-phase synthesis of piezoceramic materials based on complex oxides with a perovskite structure, anomalous thermal expansion of the pressed mixture of the initial reaction components is observed. ...
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12.
Thermodynamic analysis as a method for choosing dopants in silicon carbide ceramics production
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(Science for ceramic production)
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... applied problems of the "CHEMISTRY" subject area. Vladivostok: IAPU FEB RAS, 2006.52 p.
Ravdel A.A., Ponomareva A.M. 10th ed. SPb .: Ivan Fedorov, 2003.240 p.
Thermodynamic properties of inorganic ...
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13.
110th anniversary of silicates and nanomaterials technology department of National research Tomsk polytechnic university
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(Information)
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14.
Black Ceramic Pigments Based on Open-Hearth Slag
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(Utilization of waste)
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Black ceramic pigments based on open-hearth slag were obtained. The assessment of the possibility and sequence of physical and chemical processes during the firing of pigment mixtures has been carried ...
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15.
The effect of enamel layer thickness on the deficiency of enamel coating
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(Coatings. Enamels.)
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The dependence of the rate of steel oxidation under the enamel film at enamel firing temperatures is considered. The size of the critical gas bubble breaking through the enamel film during firing has been ...
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16.
Relaxation phenomena in glass technology
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(Science for glass production)
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A review of studies on relaxation phenomena in glasses is presented. Their role in molding, heat treatment, and other technological processes is shown. The features of the surface layer from the standpoint ...
