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21.
Processes of grinding and mechanochemical activation in technology of oxide ceramics (review)
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(Science for ceramic production)
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The classification of grinding equipment and conditions affecting the process of mechanical processing of raw materials for the production of oxide ceramics is presented. Based on the analysis of grinding ...
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22.
Ceramics based on hydroxyapatite calcium, synthesized from calcium acetate, calcium hydroxide, and dipotassium phosphate
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(Biomaterials)
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Calcium hydroxyapatite (HAP) powder is synthesized from an aqueous solution of potassium hydrogen phosphate and a suspension of calcium hydroxide in an aqueous solution containing calcium and potassium ...
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23.
Features of deformation and fracture of polycrystalline oxide ceramics at temperatures up to 1600 °C
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(Science for ceramic production)
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In the temperature range 1400 - 1600 ° C, the deformation of polycrystalline oxide ceramics occurs due to the action of diffusion mechanisms. The course of the deformation curves is very sensitive to the ...
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24.
Features of sintering oxide ceramicsx
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(Science for ceramic production)
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The sintering process of powder workpieces based on oxide ceramics is considered from the standpoint of diffusion mass transfer. In practice, two types of powders are used, differing in manufacturing methods. ...
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25.
Transparent ceramics based on yttrium oxide added with scandium and neodymium oxides
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(Science for ceramic production)
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The possibility of obtaining a transparent ceramic material based on yttrium oxide with the addition of scandium oxide and neodymium oxide has been investigated. The modes of heat treatment of the charge ...
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26.
Special features of glaze dyeing with cobalt oxides for building ceramics
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(Science for ceramic production)
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The peculiarities of staining the glaze in blue with adjustable shades have been studied. The physicochemical properties of glazes with a given content of cobalt oxide and modifier oxides carrying active ...
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27.
Special technological features of dense technical ceramics. Sintering of oxide ceramics
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(Science for ceramic production)
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The processes of activated sintering of oxide powders with different histories are considered. It is shown that there are two regions of particle sizes, more or less than 1 ?m, in which the mechanisms ...
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28.
Oxide ceramics of the new generation and prospects of applications
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(Science for ceramic production)
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... stabilized zirconium dioxide, aluminum oxide, a mixture of these oxides, dense and porous materials from oxides of aluminum, zirconium, magnesium, silicon carbide, bioactive ceramics based on hydroxyapatite ...
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29.
Ceramics based on beryllium oxide
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(Critique and bibliography)
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30.
The effect of metal oxides on the microstructure of zinc ceramics
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(At the enterprises and institutes)
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The effect of ZnO crystallization on the current-voltage characteristics has been investigated. It was shown that the introduction of Bi 2 O 3 , TiO 2 , SnO 2 promotes crystal growth, while Sb 2 ...
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31.
Ultrasonic speed and absorption in oxide beryllium ceramics
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(At the enterprises and institutes)
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The velocity of propagation of ultrasonic waves and absorption of ultrasound in beryllium ceramic samples of various densities, configurations, and sizes, differing in the molding method and degree of ...
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32.
Optically transparent ceramics based on yttrium oxide using carbonate and alkoxide precursors
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(Science for ceramic production)
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Methods for the fabrication of optically transparent ceramic materials based on Y 2 O 3 using carbonate and alkoxide precursors are considered. It was found that the ceramics synthesized on the basis ...
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33.
Pyrogenic nano-oxides as a raw material for glass and ceramics
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(Foreign experience)
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Nano-oxides are obtained by means of the AEROSIL-process. These materials are suitable for obtaining pure quartz glass, high quality oxides and various materials based on them for engineering and medicine. ...
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34.
The effect of admixtures on the properties of zinc oxide based ceramics
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(Science for ceramic production)
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The results of the influence of some oxides on the sintering and properties of ZnO ceramics are presented. The introduction of additives from solutions of the corresponding salts has a better effect on ...
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35.
Strong and super-strong ceramics on the base of aluminum oxide and partially stabilized zirconium oxide
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(Science for ceramic production)
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The results of the development of strong and extra-strong ceramics made of aluminum oxide and partially stabilized zirconium dioxide, based on the use of highly dispersed powders, methods of hydrostatic ...
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36.
High-strength ceramics on the basis of zirconium oxide powder
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(Science for ceramic production)
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Dispersed powders of tetragonal zirconia stabilized with Y 2 O 3 , Yb 2 O 3 and combined additive (Y 2 O 3 + CaO + MgO). Technological parameters of the processes of synthesis and preparation ...
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37.
The role of crystal boundaries in conditions of diffusion creep of oxide ceramics
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(Science for ceramic production)
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Experimental data on the effect of crystal size on high-temperature deformation in the field of mechanical forces of ceramic oxide materials are presented. It is shown that the main creep occurs by the ...
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38.
The effect of additives of transition metal oxides on the strength, phase composition and microstructure of cordierite ceramics
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(Science for ceramic production)
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The effect of additives of transition metal oxides and sintering temperature on the strength characteristics of ceramics from cordierite synthesized with the use of mechanical activation has been investigated. ...
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39.
The main bifurcations upon firing of dense oxide ceramics
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(Science for ceramic production)
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Processes during the firing of dense ceramics from pure oxides are considered from the standpoint of synergetics. An assumption is made about the presence of three regions of unstable states of evolution ...
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40.
Chemistry of defects and nonequilibrium upon production of pore-free fine-grained oxide ceramics
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(Science for ceramic production)
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Methods for the preparation of non-porous fine-crystalline oxide ceramics are considered from the standpoint of the chemistry of defects and nonequilibrium. It is shown that it is necessary to reduce the ...
