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21.
Processing aspects for manufacturing optically transparent glass-ceramics based on lithium silicate glasses
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(Science for glass production)
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The technological parameters for the synthesis of an optically transparent glass-crystalline material based on lithium silicate glass under the conditions of a two-stage low-temperature short-term heat ...
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22.
Silicate glasses permeability to hydrogen
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(Science for glass production)
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Glasses of silicate, borosilicate, aluminosilicate and aluminoborosilicate systems are considered. Expressions have been obtained for determining the activation energy of hydrogen permeability, the hydrogen ...
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23.
Broadband luminescence in nano-structured glasses
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(At the enterprises and institutes)
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On the example of glasses of the R 2 O - Ga 2 O 3 - SiO 2 - GeO 2 (R = Li, Na), activated by Ni 2+ , the mechanism of the emergence of broadband luminescence in the near-IR region of the spectrum ...
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24.
Physical-chemical and structural processes occurring at temperature treating of strontium - alumina - silica glasses
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(At the enterprises and institutes)
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The paper presents the results of a study of physicochemical and structural processes occurring during heat treatment of glasses of strontium aluminosilicate composition using synchronous thermal analysis, ...
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25.
Electron paramagnetic resonance of V4+ ions in lanthanum-aluminosilicate glass
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(Science for glass production)
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The EPR and optical absorption spectra of V 4+ ions and their relationship with the structural features of glasses of the La 2 O 3 - Al 2 < / sup> O 3 - SiO 2 . Three characteristic ranges of ...
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26.
Liquation structure formation in Ti-containing aluminosilicate glass
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(Science for glass production)
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The structures of titanium-containing aluminosilicate decorative glasses have been investigated by means of electron microscopy of various resolutions, electron microanalysis and X-ray diffraction. It ...
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27.
MODIFIED AlF3 AND LiF OXYFLUORIDE LITHIUM-SILICATE SCINTILLATION GLASS FOR NEUTRON DETECTION
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(Not-set)
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Lithium-silicate scintillation glasses doped with rare earth ions are promising materials for neutron detectors. Oxyfluoride glasses, due to modification by fluorine, have improved spectral and mechanical ...
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28.
INVESTIGATION OF THE STRUCTURE OF A TRANSPARENT GAHNITE-BASED GLASS-CERAMICS IN THE Na2O–ZnO–MgO–Al2O3–SiO2 SYSTEM BY TRANSMISSION ELECTRON MICROSCOPY
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(Not-set)
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It is known that the introduction of small Na2O additives (up to 5 mol. %) into the glass composition of the ZnO–MgO–Al2O3–SiO2 (ZMAS) does not interfere with the production of zinc spinel (ZnAl2O4) based ...
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29.
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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30.
INVESTIGATION OF THE STRUCTURE AND INFLUENCE OF ION EXCHANGE ON THE MICROHARDNESS OF LOW-ALKALI TRANSPARENT GANITE GLASS-CERAMICS
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(Not-set)
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Transparent glass-ceramics are attracting more and more attention as a material for protecting the screens of electronic devices. The paper considers the possibility of carrying out ion-exchange of transparent ...
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31.
PHASE TRANSFORMATIONS UNDER THE ACTION OF FEMTOSECOND PULSES IN THE GLASS-CERAMIC OF ZnO–MgO–Al2O3–SiO2 SYSTEM
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(Not-set)
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The effect of femtosecond laser micro-treatment in thermal and non-thermal modes on the structure of transparent glass-ceramic based on the ZnO–MgO–Al2O3–SiO2 system, characterized by increased mechanical ...
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32.
GLASSY FUNCTIONAL FILLERS OF GLASS IONOMER CEMENTS IN THE SrO–Al2O3–P2O5–SiO2–F SYSTEM
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(Not-set)
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Based on glass in the SrO–Al2O3–P2O5–SiO2–F system, functional glass fillers for glass ionomer cements containing up to 13 wt. % fluorine were obtained. The high level of radiopacity of the filling material ...
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33.
POLARIZATION CONTROLLED BIREFRINGENCE IN LITHIUM ALUMINOSILI-CATE GLASS
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(Not-set)
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The rise of polarization-controlled birefringence under a series of femtosecond laser pulses in the bulk of lithium silicate and lithium aluminosilicate glasstentatively attributed to the formation of ...
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34.
Investigation of Structure and Properties of Model Glass System La2O3–MnOm–B2O3 (M = Nb, Ta, Ti, Zr)
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(Not-set)
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The results of synthesis of lanthanum borate glasses modified with highly polarizable cations (Nb, Ti, Zr, Ta) are described. Their crystallization properties and structural features are studied by IR ...
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35.
Crystallisation in Strontiumalumosilicate Systems: Effect of Modifying Additives on Melting Characteristics and Crystallisation Behaviour
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(Not-set)
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The influence of a number of modifying additives: calcium fluoride, zinc oxide and boron oxide, on the melting and crystallization properties of strontium aluminosilicate glasses is considered. The influence ...
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36.
Plasma Technology for the Production of Glass
Pellets Based on Waste from the Enrichment of Ferruginous Quartzite KMA
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(Not-set)
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A technology has been developed for producing glass microspheres in a plasma reactor based on the wastes of enrichment of ferruginous quartzites KMA. The regularities of the influence of the flow rate ...
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37.
Features of Femtosecond Laser Modification of Antimony-Silicate Glass
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(Science for glass production)
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The features of the action of focused femtosecond laser pulses on antimony-silicate glass of the composition 25Sb 2 O 3 & middot; 75SiO 2 & # 37; (molar content) in thermal and non-thermal modes. ...
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38.
Crystalline phase formation in foamglass and its effect on material performance
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(Science for glass production)
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The results of studies on the formation of the crystalline phase in the foam glass matrix, as well as the effect that it has on the operational properties of the material (compressive strength, density, ...
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39.
Decrystallisation of amorphous phase in foam-glass as a method for alkali-silica reaction inhibition
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(Science for glass production)
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The possibility of eliminating the alkali-silicon reaction (ASR-interaction) in foam glass due to the crystallization of the glass is considered. It was found that devitrite (Na 2 Ca 3 Si 6 O 16 ...
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40.
Chemical composition of rocks applicable for production basalt fiber resistant in aggressive media
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(Science for glass production)
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The results of studies of the resistance of basalt fibers of various chemical and mineralogical compositions to aggressive media are presented. Their high chemical resistance to water, acids and alkalis ...
