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Optical Ceramics Obtained by Hot Pressing of CVD-ZnSe Powder
AbstractThe influence of mechanical grinding conditions of high-purity chemical vapor deposition (CVD) zinc selenide (ZnSe) powders on their particle...
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Effect of Scandium Concentration in the Y2O3–Sc2O3–Al2O3–Er2O3 Oxide Composition on the Thermophysical Properties of Optical Ceramics
AbstractThe influence of the concentration and position of scandium ions on the thermophysical characteristics of optical ceramics based on Y 2 O 3 –Er 2 O
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Preparation, Structure, and Dielectric and Nonlinear Optical Properties of (K0.5Na0.5)NbO3–BaZrO3 Ceramics
Abstract—Single-phase (1 – x )(K 0.5 Na 0.5 )NbO 3 ⋅ x BaZrO 3 ( x = 0–0.06) ceramics with new compositions, including those modified with SiO 2 and ZnO oxide...
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Aluminum Oxynitride Strong Transparent Ceramics: Properties, Technologies, and Applications
AbstractThe history of occurrence and technological features of obtaining transparent aluminum oxynitride ceramics are examined in detail. It is...
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Stereolithographic Fabrication of Alumina Ceramics from Aluminum Chloride-Containing Polymerizable Precursors
Abstract—An approach has been proposed for preparing polymerizable precursors to alpha-alumina and aluminum oxynitride ceramics and using them in...
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Synthesis and Optical Properties of YAG : Ce Ceramics with a High Cerium Concentration
AbstractSamples of YAG : Се optical ceramics with an activator concentration of 0.5, 1, 5, and 10 at. % were synthesized by a solid-phase method. The...
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Preparation and Characterization of Nano Glass–ceramics from CeO2-doped Li2O-SiO2 System for Dental Applications
Glasses based on the basic composition of lithium disilicate (Li 2 O.2SiO 2 ) together with derived samples containing increasing CeO 2 replacing Li 2 O...
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Investigation of Structural and Dielectric Properties of Mg Substituted LiTaO3 Ceramics
AbstractIn this work, the effect of Mg substitution on structural and dielectric properties of (Li 1 ‒ x Mg x /2□ x /2 )TaO 3 (LM x T) with x = 0.00, 0.025,...
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Progress in Preparation and Properties of Porous Silicon Nitride Ceramics
Porous silicon nitride ceramics is a promising functional ceramic material. In recent years, the research on the preparation of porous silicon...
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Preparation and Properties of Transparent Scandium Oxide-Modified Nd:YAG Ceramics
Abstract—We have studied the effect of Sc 2 O 3 as a modifying additive on the formation of weakly agglomerated single-phase nanopowders of doped...
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Effect of Hot Pressing Conditions on the Microstructure and Optical Properties of MgO–Y2O3 Composite Ceramics
Abstract —We have studied the effect of hot pressing conditions on the microstructure and optical characteristics of Y 2 O 3 –MgO composite ceramics. The...
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Electropulse (Spark) Plasma Sintering of Ultrafine-Grained WC–Al2O3 Ceramics
Abstract—The sintering mechanisms of WC–Al 2 O 3 nanopowder compositions with different contents of al-umina particles (1, 3, and 5 wt %) have been...
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Effect of Composition on the Structure and Properties of MgO/Y2O3 Composite Ceramics
Abstract—We have studied the effect of the ratio of the macrocomponents of magnesium oxide- and yttrium oxide-based composite ceramics on their...
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Hot Isostatic Pressing-Induced Structural Changes in MgAl2O4 Ceramics
Abstract—Magnesium aluminate spinel (MgAl 2 O 4 ) ceramics have been subjected to hot isostatic pressing. The process led to a 0.28% increase in the...
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Preparation of Zirconium Carbide-Based Refractory Ceramics by Direct Zirconium Carburization
Abstract—Compact stoichiometric zirconium carbide (ZrC) with a tailored shape has been synthesized by direct carburization of rolled zirconium metal...
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SYNTHESIS OF Ca1–
x –y Ybx Ery F2+x +y UPCONVERSION POWDERS FOR THE PREPARATION OF OPTICAL CERAMICSAbstractA new technique for the synthesis of luminescent powders of Ca 1 – x – y Yb x Er y F 2+ x + y solid solutions is proposed for the preparation of ceramics...
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Zirconium (Hafnium)-Containing Yttriumoxane Alumoxanes and Multicomponent Ceramics Based on Them
AbstractCeramic-forming zirconium (hafnium)-containing yttriumoxane alumoxanes, precursors of multicomponent ceramics based on alumina, yttria and...
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State of Art in Lead Free Double Perovskite Ceramics, X2MgTeO6 (X = Sr, Ba): Structural Stability and their Potential Energy Harvesting Applications
The present first principles calculations regarding lead-free double perovskite ceramics X 2 MgTeO 6 (X = Sr, Ba) have discovered their structural,...
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Characterization of Magnesia Foam Ceramics Prepared by Foam Impregnation and Its Application in Crude Magnesium Refining
Reticulated porous MgO ceramics were fabricated by suspension impregnation method, which involves replication of polyurethane foam with mixed slurry...
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Influence of the Morphology and Size of SiC Particles on the Mechanical Characteristics of SiC-Ceramics
The hot press method was used to obtain the SiC composite from different morphology and partial size powder. The starting SiC powder was: 1)...