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41.
EFFECT OF TECHNOLOGICAL SYNTHESIS PARAMETERS ON THE STRUCTURE, PHASE COMPOSITION, AND PROPERTIES OF POROUS Al2O3–MgO–SiO2–SiC CERAMICS
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(Not-set)
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Porous ceramic materials based on a coarse Al2O3 filler were synthesized using fine MgO, SiO2, and SiC binders by compaction at pressures of 20…40 MPa followed by sintering in the temperature range of ...
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42.
INFLUENCE OF THE PURITY OF THE RAW MATERIALS SrCO3 AND TiO2 ON SOLID-STATE SYNTHESIS AND PROPERTIES OF SrTiO3 CERAMICS
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(Not-set)
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... analysis, and laser diffraction. Strontium carbonates and titanium oxides of various qualifications with the content of the main component were used in the work: >98 % (pure), >99 % (pure for analysis), ...
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43.
PRODUCTION OF MICRONEEDLE ZIRCONIUM DIOXIDE POWDER STABILIZED BY ITTRIUM AND CERIUM
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(Not-set)
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The process of obtaining microneedle powdered ZrO2 from an aqueous solution of zirconium oxychloride, as well as zirconium dioxide doped with Y2O3 and CeO2 oxides, has been studied. Their chemical and ...
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44.
ELECTRICAL PROPERTIES OF THE OXIDE PYROCHLORE Bi2Cu0.25Ni0.75Ta2O9: A BIPOLAR CONDUCTIVITY MODEL
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(Not-set)
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The electrical properties of the complex oxide Bi2Сu0.25Ni0.75Ta2O9 with a pyrochlore structure (space group Fd-3m, 10.5200(5) ?), synthesized by the solid-phase method, were studied using impedance spectroscopy. ...
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45.
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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46.
HIGH-PURITY BORON OXIDE WITH CONTROLLED CONTENT OF RESIDUAL WATER AND OH-GROUPS
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(Not-set)
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A method for the direct determination of intercalated water in high-purity boron oxide has been developed. Comparative studies of the residual intercalated water and OH-group content in a commercial product ...
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47.
METHODS OF SYNTHESIS OF STARTING MATERIALS FOR CERAMICS BASED ON LANTHANUM CHROMITE (REVIEW)
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(Not-set)
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The review article examines classical and rarely used methods for synthesizing ceramic materials based on lanthanum chromite.
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48.
ELECTRON BEAM SINTERING OF ALUMINA-BASED COMPOSITE CERAMICS WITH COPPER ADDITION IN THE FORE-VACUUM PRESSURE RANGE
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(Not-set)
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The effect of electron-beam sintering in the fore-vacuum pressure range (8…10 Pa) on the density, structure, and phase composition of the sintered Al2O3–Cu composite with a component mass ratio of 10:1 ...
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49.
FINISHING OF THE SURFACE OF CORUNDUM CERAMICS WITH AN ARGON CLUSTER-ION BEAM
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(Not-set)
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The effectiveness of an argon ion cluster beam for polishing the surface of corundum ceramics was investigated. Using atomic force microscopy, changes in the surface relief of VK-100 ceramics were studied ...
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50.
CERAMICS BASED ON POWDERS SYNTHESIZED FROM CALCIUM NITRATE AND SILICIC ACID PREPARED VIA ION EXCHANGE METHOD
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(Not-set)
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... by feeding an aqueous solution of sodium silicate Na2SiO3 from the bottom to top. The powders after synthesis contained hydrated calcium silicates and hydrated silicon dioxide. The powder synthesized from ...
