Nanophase glass-ceramics
Witrynaindustrial ceramics, Ceramics are broadly defined as inorganic, nonmetallic materials that exhibit such useful properties as high strength and hardness, high melting temperatures, chemical inertness, and low thermal and electrical conductivity but that also display brittleness and sensitivity to flaws. As practical materials, they have a … Witryna1 lip 2016 · The luminescence spectra of glass, glass-ceramics and optical fibers were compared and discussed in terms of embedding nano-crystalline phase structures in …
Nanophase glass-ceramics
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Witryna15 maj 2006 · By using appropriate thermal-processing conditions, we are able to make transparent nanophase glass ceramic scintillators based on the same materials. … WitrynaThis paper focuses on two types of nanocrystalline glass-ceramics: transparent glass-ceramics and tough, high-modulus glass-ceramics with precisely engineered …
Witryna15 paź 2015 · The materials were prepared with the following composition (in mol%): 44 SiO 2 –28Al 2 O 3 –17NaF- (10-x)YF 3 –1TbF 3 -xEuF 3 (x = 0, 0.1, 0.25, 0.5, 1). The chemicals were mixed thoroughly and melted in a covered alumina crucible at 1450 °C for 30 min in the ambient atmosphere. Witryna15 paź 2015 · In the glass ceramic, Tb 3+-Eu 3+ pairs are aggregated in the YF 3 NCs; while in the precursor glass, these ions are homogenously distributed in the glass …
Witryna11 lut 2015 · A series of SiO 2 –Al 2 O 3 –NaF–YF 3 oxyfluoride glasses and β-YF 3 nanocrystals embedded glass ceramics single-doped with europium ions were prepared by high-temperature melt-quenching to explore blue/red luminescent materials for potential application in the photosynthesis of green plants. Both Eu 2+ and Eu 3+ … Witryna1 cze 2015 · In this paper, Tb³⁺/Eu³⁺ co-doped P2O5–B2O3–ZnO–CaF2 glasses and glass ceramics were fabricated, and the structure, luminescence and temperature …
Witryna[10] BEAL G.H., PINCKNEY L.R., Nanophase glass-ceramics, Journal of the American Ceramic Society 82(1), 1999, pp. 5–16. [11] PETZOLDT J., PANNHORST W., …
Witryna1 sie 2024 · PDF The material of choice for space applications which demand very high dimensional stability is lithium aluminosilicate (LAS) based Ultra Low... Find, read and cite all the research you need ... freeware emulatorWitryna1 kwi 2024 · The glass-ceramics based on nanosized gahnite crystals were characterized by X-ray diffraction, Raman and optical spectroscopy. freeware encryption flash driveWitryna15 maj 2006 · By using appropriate thermal-processing conditions, we are able to make transparent nanophase glass ceramic scintillators based on the same materials. … freeware email softwareWitryna15 paź 2015 · The as-quenched glass was annealed at 500 °C for 2 h and then cooled down naturally to room temperature to relinquish the inner stress. Afterwards, the PG was then heat-treated to 670 °C with a heating rate of 10 K/min, and hold for 2 h to form glass ceramic (denoted as GC) via glass crystallization. fashion consultant business codeWitrynaThe crystallization and properties of the glass-ceramics were investigated. It was found that ZrO2is an efficient nucleating agent for the present calcium aluminate glass. … freeware email serverWitryna25 lis 2024 · For CaO–MgO–Al 2 O 3 –SiO 2 –Cr 2 O 3 system glass–ceramics, during crystallization, when the mass fraction of Cr 2 O 3 in the glass–ceramics is lower than 1.60%, a small amount of diopside phase is precipitated during heat treatment. At this point, Cr 3+ disperses in the diopside phase. fashion consultant business planWitrynaDOI: 10.1111/J.1551-2916.2011.04970.X Corpus ID: 136545563; Glass-ceramics with embedded Gallium/Aluminum nanoalloys formed by heat treatment and femtosecond laser irradiation @article{Lin2012GlassceramicsWE, title={Glass-ceramics with embedded Gallium/Aluminum nanoalloys formed by heat treatment and femtosecond … freeware embroidery programs