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1.
ZINC BORATE GLASSES DOPED WITH COBALT: PREPARATION AND SPECTRAL PROPERTIES
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(Not-set)
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New glassy materials have been obtained in the ZnO–B2O3:CоO system. The physicochemical and spectral properties of zinc-borate glasses doped with cobalt have been studied in the composition range from ...
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2.
Calcium Phosphate Foam Ceramic Obtained by Firing a Powder Mixture of Hydroxyapatite-Monocalcium Phosphate Monohydrate
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(Not-set)
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The insertion into the impregnating suspension based on hydroxyapatite powder heat-treated at 800 °C, 24 wt. % of monocalcium phosphate monohydrate powder after firing at 1200 °C leads to the formation ...
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3.
Thermal Transformations in Hardening Compositions Based on Hydroxyapatite, Monocalcium Phosphate Monohydrate and Polymeric Binders
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(Not-set)
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Hardening composite materials based on calcium phosphates (hydroxyapatite, monocalcium phosphate monohydrate) and polymer binders (polyvinyl alcohol, polyvinyl pyrrolidone) have been obtained. It was found ...
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4.
Calciumposphate Penokeramics on the Basis of Powder Mixture Hydroxyapatite?Brochites
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(Biomaterials)
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Introduction to the impregnating suspension based on hydroxyapatite powder, heat-treated at 800 ° C, 10 - 50 ° C; (by weight) of brushite powder heated at 50 ° C, after firing at 1200 ° C leads to partial ...
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5.
Fluid-Glass Radiation-Resistant Heat-Regulating Coating
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(Coatings)
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A study of pigments and binders was carried out to obtain a radiation-resistant thermoregulatory coating (TRP) for spacecraft. On the basis of the selected components, a radiation-resistant thermo-regulating ...
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6.
Properties of stereolithography-produced composite with calcium phosphate filled polymer matrix for ceramics with defined porous space architecture
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(Biomaterials)
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A study of the process of removing the organic component from composites (photopolymer / calcium phosphate) of complex architecture, obtained by 3D printing for the creation of personalized bioceramic ...
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7.
Development of 3D ceramic structures with assigned architecture in Ca2P2O7-CaNa2P2O7 system
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(Science for ceramic production)
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The issues of creating three-dimensional structures of a given architecture based on pyrophosphate ceramics by the method of a removable additive are considered. The problems of filling a polymer negative, ...
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8.
Influence of synthesis atmosphere on formation of pyrochlore matrices for HLWaste immobilisation
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(Environmental protection)
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Research has been carried out on the synthesis of ceramic matrices based on zirconium-enriched pyrochlore for the immobilization of high-level waste (HLW) by the method of self-propagating high-temperature ...
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9.
Studies in high-performance alumina ceramics development (review). Part 1. Sintering with additives, reactive sintering, reinforced composites production
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(Science for ceramic production)
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A review of domestic dissertations on ceramics from aluminum oxide, methods of its preparation for the period since 2000 is presented. Thin structural ceramics are mainly considered. The emphasis is on ...
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10.
Comparative analysis of plasma-sprayed bioceramic coatings based on zinc-doped hydroxyapatite and tricalcium phosphate
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(Biomaterials)
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The results of X-ray diffraction and infrared analyzes of powders of zinc-substituted hydroxyapatite and tricalcium phosphate are presented, and the technology of plasma spraying of coatings based on them ...
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11.
Phase composition of calcium phosphate ceramics made from nanopowders with Ca/P ratio of 1,25 obtained by mechanoactivation
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(Biomaterials)
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The processes occurring at the stages of mechanical activation of powders and firing of samples pressed from calcium phosphate nanopowders with a molar ratio of Ca / P = 1.25 have been studied. Washing ...
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12.
Bioactive ceramics based on zirconia, alumina and titania
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(Biomaterials)
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On the basis of oxides of zirconium, titanium and aluminum, a method has been developed for producing porous ceramics biocompatible with living tissues by introducing calcium phosphates into the volume ...
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13.
Ceramic pigments of black color based on chromium-nickel spinel NiCr2O4
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(Science for ceramic production)
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The possibility of obtaining a black pigment based on nickel chromite (NiCr 2 O 4 ) is considered. The morphological, granulometric, X-ray structural and optical characteristics of the synthesized crystalline ...
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14.
Disperse hardening of aluminum oxide composite system and tetragonal zirconia stabilized with cerium cations
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(Science for ceramic production)
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The preparation of composites based on nanopowders synthesized by the sol-gel method in the system of aluminum oxide and tetragonal zirconium dioxide stabilized by cerium cations (Al 2 O 3 - [Ce-TZP]) ...
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15.
Calcium phosphate powder synthesis from calcium formiate and ammonium hydro-phosphate for bio-compatible resorbable bi-phase ceramics production
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(Biomaterials)
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Calcium phosphate powder was synthesized from calcium formate Ca (CHO 2 ) 2 and ammonium hydrogen phosphate (NH 4 ) 2 HPO 4 at the Ca / P ratio in the initial aqueous solutions equal to 1. The ...
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16.
Composite bioceramics based on octacalcium phosphate decom-position products
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(Biomaterials)
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Composite bioceramics with a density of at least 80% of the theoretical was obtained from thermolyzed octacalcium phosphate (OCP). OCP processing temperatures were 450, 600, and 700 ° C. Ceramics were ...
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17.
Surface properties of bio-compatible calcium-silicophosphate glass-ceramic materials and coatings
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(Biomaterials)
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The influence of the surface properties of the developed calcium silicophosphate glass-crystalline materials and coatings on their biocompatibility has been determined. The ratio of calcium to phosphorus ...
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18.
Biomaterials based on calcium phosphates and silicates mixtures: a study of possible fabrication by precipitation from water solutions
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(Biomaterials)
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The analysis of the processes of phase formation in open systems CaX 2 -M 2 NRO 4 / M 3 PO 4 -Na 2 SiO 3 -Н 2 O. According to the calculated values ??of & # 916; G crystallization, the ...
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19.
Materials science and techniques in development, production and application of wear-resistant alumina nozzles for underground soil drilling machines
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(Science for ceramic production)
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An analysis of the conditions and mechanisms of abrasive destruction (wear) and the principles of synthesis of structural ceramic materials is carried out from the material science standpoint. A logistic ...
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20.
Growing Li2MoO4 crystals from activated water solutions
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(At the enterprises and institutes)
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The possibility of obtaining crystals of lithium molybdate Li 2 MoO 4 from aqueous solutions activated by low-frequency oscillations of a chemically inert body is considered. It was shown that the ...
