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Journal articles on the topic 'Aluminosilicate ceramics'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Azarau, S. M. "Influence of modifying coatings on dielectric permittivity of ceramic materials with composite coatings." Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 64, no. 4 (2020): 413–18. http://dx.doi.org/10.29235/1561-8358-2019-64-4-413-418.

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The results of research of features of modification of aluminosilicate ceramics by suspension of fluoroplastic, aluminophosphate binder (AFS), non-aqueous compositions of polyurethane components, are presented. Samples of aluminosilicate ceramics for research were obtained by technological methods, including batch preparation operations, sample pressing, pre-annealing and sintering at a temperature of 1200–1350 °C. Polydisperse powders of aluminosilicates obtained by grinding waste of porcelain production (porcelain ware, GOST 28390-89); low-melting clay raw materials were selected as initial

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2

Márquez Aguilar, P. A., M. Vlasova, E. Moreno Bernal, M. Kakazey, R. Guardian Tapia, and A. Castro Hernández. "Features of laser drilling of porous aluminosilicate ceramics." MRS Advances 5, no. 59-60 (2020): 3045–54. http://dx.doi.org/10.1557/adv.2020.435.

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AbstractStudies have shown that local laser heating/“drilling” of composite large-porous ceramics consisting of aluminosilicates and glass phase is based on melting and ablation processes that lead to the formation of holes in a porous specimen. The interaction of the components of the composite in the high-temperature heating zone is accompanied by the formation of glass-phase melt of new composition. The advance of the melt deep into the sample along channel-like pores of the main ceramic material depends on the viscosity of the melt (i.e., the irradiation mode) and the cooling rate of the m

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3

Abramov, Alexey N., Aleksei N. Gur'Yanov, Alexey S. Lobanov, Mikhail V. Yashkov, Alexander D. Plekhovich, and A. M. Kut'In. "Obtaining and investigation of optical characteristics of fiber light guides with a core based on alumosilicate glass ceramics alloyed with chrome." Applied photonics 9, no. 1 (2023): 54–72. http://dx.doi.org/10.15593/2411-4367/2022.1.03.

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A technique has been developed for producing optical fibers doped with chromium ions based on chromium-doped aluminosilicate glass-ceramics. A technique is proposed for measuring luminescence spectra during the formation of a glass-ceramic core in Cr3+-activated aluminosilicate fibers.

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4

Souag, R., N. Kamel, Y. Mouheb, et al. "Study of the effect of Ca/Mg alkali-oxides ratio on the structure of a glass-ceramic based on an aluminosilicated glass containing 2wt.% of zirconolite crystalline phase." Science of Sintering 46, no. 3 (2014): 377–83. http://dx.doi.org/10.2298/sos1403377s.

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New nuclear glass-ceramics are extensively studied for the radioactive waste confinement, due to the double confinement conferred by the glass-ceramics. In this study, a glass-ceramic constituted by an aluminosilicate glass in the system: SiO2-Al2O3-CaO-MgOZrO2-TiO2, containing 2wt.% of Ca0.83Ce0.17ZrTi1.66Al0.34O7 zirconolite, has been synthesized by the discontinuous method. Cerium, an actinide surrogate is introduced both in the glass and ceramic phases. The synthesis is performed by a double melting at 1350?C, followed by a nucleation at 564?C, during 2 h, and a crystal growth at 1010?C du

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5

Sreeja, R., P. V. Prabhakaran, Sushant K. Manwatkar, and S. Packirisamy. "Adhesive Joining of Metal to Metal and Metal to Ceramic by Ceramic Precursor Route." Materials Science Forum 710 (January 2012): 656–61. http://dx.doi.org/10.4028/www.scientific.net/msf.710.656.

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Inorganic ceramic adhesives (geopolymers) based on aluminosilicate matrix are versatile candidates for bonding metals to metals or metals to ceramics. On curing, they result in an amorphous, crosslinked, impervious, acid resistant 3D-structures. Alkali activated aluminosilicate based ceramic adhesive was developed for bonding metals to ceramics and metal to metal, for high temperature applications. The bonding is achieved at 175°C for 3 hrs, by solid state reaction of alkaline solution of allkalisilicate precursor with the refractory filler, contributing to the bulk aluminosilicate matrix. Lap

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6

Nunes, Bruno M. F., André Dinis, Jorge C. Fernandes, Rui M. Almeida, and Luís F. Santos. "Mechanical Behavior of Ion-Exchanged Alkali Aluminosilicate Glass Ceramics." Crystals 15, no. 1 (2024): 16. https://doi.org/10.3390/cryst15010016.

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Glass is one of the oldest and most versatile manmade materials and has been used for centuries. One of the areas of significant research and progress is that of high-mechanical-resistance glass. Several processes can be used to maximize the mechanical strength of glasses, namely thermal or chemical treatments. Glass ceramics, obtained through controlled crystallization, can enhance the mechanical properties of these materials and, as long as the crystals remain small enough, transparent glass ceramics can be obtained. On the other hand, ion exchange can strengthen the glass surface and reduce

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7

Yang, Bingxin, Shaojun Lu, Caihong Li, Chen Fang, Yan Wan, and Yangming Lin. "Reducing Water Absorption and Improving Flexural Strength of Aluminosilicate Ceramics by MnO2 Doping." Materials 17, no. 11 (2024): 2557. http://dx.doi.org/10.3390/ma17112557.

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As key performance indicators, the water absorption and mechanical strength of ceramics are highly associated with sintering temperature. Lower sintering temperatures, although favorable for energy saving in ceramics production, normally render the densification degree and water absorption of as-prepared ceramics to largely decline and increase, respectively. In the present work, 0.5 wt.% MnO2, serving as an additive, was mixed with aluminosilicate ceramics using mechanical stirring at room temperature, achieving a flexural strength of 58.36 MPa and water absorption of 0.05% and lowering the s

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8

Abdulkhamidova, Hilola, Shakhzoda Mukhiddinova, and Munira Khaydarova. "UNVEILING THE BRILLIANCE OF SILICATE AND ALUMINOSILICATE-BASED CERAMICS." JOURNAL OF UNIVERSAL SCIENCE RESEARCH 2, no. 2 (2024): 433–39. https://doi.org/10.5281/zenodo.10820306.

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This study investigates the properties and applications of ceramics based on silicate and aluminosilicate compositions. Silicate ceramics, primarily composed of silica (SiO₂), and aluminosilicate ceramics, incorporating aluminum oxide (Al₂O₃) alongside silica, are renowned for their high-temperature resistance, mechanical strength, and chemical inertness. Through a comprehensive review of literature and experimental analysis, this research aims to elucidate the structural characteristics, mechanical properties, and diverse applications of these ceramics. The findings highlight their significan

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9

Kleimanov, R., I. Komarevtsev, Y. Enns, et al. "Lithium aluminosilicate glass-ceramics for low-temperature anodic sealing of MEMS sensors." Journal of Physics: Conference Series 2086, no. 1 (2021): 012184. http://dx.doi.org/10.1088/1742-6596/2086/1/012184.

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Abstract The results of a study of the anodic bonding parameters of transparent glass-ceramics based on lithium aluminosilicates which are promising as structural materials of MEMS and MOEMS sensors are presented. A comparison of the optical transmittance of these materials and classical for MEMS industry glasses has been carried out. The glass-ceramics electrical conductivity in a wide temperature range has been measured. The procedure of hermetic sealing of glass-ceramics by the anodic bonding at temperatures of 150 – 250 °C has been worked out. A prototype of glass-ceramic atomic cell has b

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10

Oliveira, M., S. Agathopoulos, and J. M. F. Ferreira. "Reactions at the Interface Between Al2O3–SiO2 Ceramics with Additives of Alkaline-earth Oxides and Liquid Al–Si Alloy." Journal of Materials Research 17, no. 3 (2002): 641–47. http://dx.doi.org/10.1557/jmr.2002.0091.

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The interfacial reactions between aluminosilicate ceramics doped with MgO, CaO, or BaO and Al–7 wt% Si alloy were investigated at 1023, 1173, and 1323 K under vacuum for 4 h. Alkaline-earth oxide additives defined phase formation and microstructure of the sintered ceramics and subsequently controlled the ceramic/metal interfacial reactions, which were always intensive. In general, reaction zones consisted of Al2O3, infiltrated with Al. In the case of CaO- and BaO-doped ceramics, precipitates formed into the metal phase and concentrated the reduced Ca and Ba, respectively. A reaction mechanism

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11

Li, Minghan, Lingqi Kong, Wenzhi Wang, Yanping Ma, and Hong Jiang. "Microstructure, Dielectric Properties and Bond Characteristics of Lithium Aluminosilicate Glass-Ceramics with Various Li/Na Molar Ratio." Crystals 13, no. 12 (2023): 1647. http://dx.doi.org/10.3390/cryst13121647.

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The advent of 5G technology presented new challenges regarding the high-frequency characteristics of electrical signals and their impact on the cover glass properties of electronic devices. This study aimed to analyze the effect of the Li/Na molar ratio on the dielectric and mechanical properties, as well as the structural characteristics, of lithium aluminosilicate glass-ceramics. Using the melting method, we prepared lithium aluminosilicate base glasses and subsequently crystallized them by adjusting the molar ratio. XRD and TEM analyses were employed to investigate the resultant structures

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12

Suzdal'tsev, E. I., and D. V. Kharitonov. "Intensified Sintering of Lithium Aluminosilicate Ceramics." Refractories and Industrial Ceramics 45, no. 2 (2004): 88–90. http://dx.doi.org/10.1023/b:refr.0000029613.75838.68.

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13

BAKER, T., J. ZIMBA, E. AKPAN, I. BASHIR, C. WATOLA, and W. SOBOYEJO. "Viscoelastic toughening of aluminosilicate refractory ceramics." Acta Materialia 54, no. 10 (2006): 2665–75. http://dx.doi.org/10.1016/j.actamat.2006.02.009.

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14

Gamota, Daniel R., Adam W. Schubring, Brian L. Mueller, and Frank E. Filisko. "Amorphous ceramics as the particulate phase in electrorheological materials systems." Journal of Materials Research 11, no. 1 (1996): 144–55. http://dx.doi.org/10.1557/jmr.1996.0018.

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Several electrorheological (ER) materials systems composed of amorphous ceramic powders dispersed in light paraffin oil were developed to determine if relationships among ER activities, dielectric properties, compositions, porosities, and oxide species could be identified. The results of the studies suggested that trends among ER activity, dielectric phenomena, and alkali metal species existed. The aluminosilicate powders developed with various alkali metals showed that the ER activity increased as the activation energy decreased. The sodium aluminosilicate appeared to have the greatest ER act

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15

Xiao, Zhuo Hao, Wen Yan Luo, and Sheng Long Wang. "Thermal Expansion Property of P₂O₅ Doped Lithium Aluminosilicate Glass-Ceramic Synthesized by Sol-Gel Process." Materials Science Forum 663-665 (November 2010): 1281–84. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.1281.

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Lithium aluminosilicate (LAS) glass-ceramics with 0 ~ 10 wt% phosphoric anhydride were prepared by sol-gel method and sintering at high temperature. Tetraethyl orthosilicate (TOES), aluminum nitrate, lithium carbonate were used as precursors. Differential thermal analysis (DTA), X-ray powder diffraction (XRD) and thermal expansion coefficient (TEC) were used to characterize the dried LAS gels and glass-ceramic blocks. The results suggest β-spodumene solid-solution is the only crystals phase in the P2O5 doped LAS glass-ceramics when sintering temperature is 950 oC. The thermal expansion coeffic

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16

Gurieva, Victoria, and A. V. Doroshin. "The Press Powder Technological Parameters Optimization in Wall Ceramics Production by the Semi-Dry Pressing Method." Materials Science Forum 974 (December 2019): 419–23. http://dx.doi.org/10.4028/www.scientific.net/msf.974.419.

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The paper presents the fundamental possibility of using ash and slag waste (ASW) of the fuel and energy complex in the production of ceramic bricks using the semi-dry pressing method based on the Buguruslan deposit low-melting aluminosilicate loams. The technological parameters optimization ways (molding moisture, grinding fineness, pressing pressure) in the production of ceramic bricks from low-quality clay raw materials using the experiment mathematical planning method are presented. The separate and joint grinding raw materials mixture rational composition influence on the ceramics technolo

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17

Lunkenheimer, P., G. Gerhard, F. Drexler, R. Böhmer, and A. Loidl. "Ionic Conductivity in Li2O-Al2O3-SiO2Based Glasses and Glass Ceramics." Zeitschrift für Naturforschung A 50, no. 12 (1995): 1151–55. http://dx.doi.org/10.1515/zna-1995-1216.

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The complex conductivity of lithium aluminosilicate based glasses and glass-ceramics (Zerodur from Schott) has been investigated in a broad range of temperatures (200 K < T < 700 K) and frequencies (10 mHz<v<2.5 THz). The data are presented in terms of the conductivity and the electrical modulus formalisms. The width of the modulus loss peak as measured for the ceramic sample is broader than that determined for its precursor glass. This result is shown to be associated with the considerably smaller dc conductivity of this material.

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18

Afonin, A. G., L. A. Alekseeva, S. P. Borodai, L. P. Lyashenko, L. G. Shcherbakova, and E. I. Suzdal’tsev. "Phase composition of lithium aluminosilicate glass-ceramics." Inorganic Materials 42, no. 5 (2006): 562–66. http://dx.doi.org/10.1134/s0020168506050190.

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19

Kirm, M., V. Demidenko, V. Denks, et al. "Excitations in halogen-containing aluminosilicate optical ceramics." Journal of Electron Spectroscopy and Related Phenomena 101-103 (June 1999): 593–97. http://dx.doi.org/10.1016/s0368-2048(98)00338-7.

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20

Versteeg, Vera A., and David L. Kohlstedt. "Internal Friction in Lithium Aluminosilicate Glass-Ceramics." Journal of the American Ceramic Society 77, no. 5 (1994): 1169–77. http://dx.doi.org/10.1111/j.1151-2916.1994.tb05389.x.

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21

Naumov, A. S., and V. N. Sigaev. "TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM." Steklo i Keramika, no. 23 (November 2023): 54–63. http://dx.doi.org/10.14489/glc.2023.11.pp.054-063.

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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, after a brief excursion into the history of glass-ceramics, transparent aluminosilicate glass-ceramics are discussed, mainly using the example of the Li2O–Al2O3–SiO2 system, and the areas of their new applications. The recently discovered possibilities of laser micromodification of structures and direct laser writing of elements photonics and integrated optics in their volume are considered. In

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22

Azarov, S. M., T. A. Azarova, A. I. Rat’ko, N. V. Mil’vit, and S. V. Shemchenok. "Multilayer porous aluminosilicate ceramic." Glass and Ceramics 65, no. 3-4 (2008): 88–91. http://dx.doi.org/10.1007/s10717-008-9022-5.

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23

Dymshits, Olga, Alexander Shashkin, Alexander A. Zhilin, Yury Volk, Alexander Malyarevich, and Konstantin Yumashev. "Formation and Passive Q-Switch Performance of Glass-Ceramics Containing Co²⁺-Doped Spinel Nanocrystals." Advanced Materials Research 39-40 (April 2008): 219–24. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.219.

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Compositions and heat treatment conditions were determined at which absorption and luminescence properties of aluminosilicate transparent glass-ceramics are defined mainly by tetrahedrally coordinated Co2+ ions located in spinel nanocrystals. Optical properties of cobaltdoped aluminosilicate transparent glass-ceramics have been studied in visible – near infrared (IR) spectral range. It was demonstrated that the concentration of tetrahedrally coordinated Co2+ ions in the spinel nanocrystals is determined by the CoO content in the initial glass and is independent of the heat-treatment schedule.

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24

Abdulvaliyev, Rinat, Nazym Akhmadiyeva, Sergey Gladyshev, Nazira Samenova, Olga Kolesnikova, and Olimpiada Mankesheva. "Behavior of Calcium Compounds under Hydrothermal Conditions during Alkaline Leaching of Aluminosilicates with the Synthesis of Fillers for Composites." Journal of Composites Science 7, no. 12 (2023): 508. http://dx.doi.org/10.3390/jcs7120508.

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Calcium oxide plays an important role in alumina production by binding SiO2 from aluminosilicate raw materials (bauxite, nepheline, kaolinite, etc.) in aluminum-free compounds. The efficiency of the hydrochemical technology depends on the activities of calcium oxide or its compounds introduced into the alkaline aluminosilicate slurry. In this paper, we considered the effects of different calcium compounds (calcium carbonate CaCO3, gypsum CaSO4·H2O, calcium oxide CaO and calcium hydroxide Ca(OH)2), introduced during the hydrothermal stripping of aluminosilicates with alkaline solutions, on the

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25

Kumar, Anil, Anirban Chakrabarti, Shaona Chatterjee, Manoj S. Shekhawat, and Atiar Rahaman Molla. "Optical and Mechanical Properties of Lithium Aluminosilicate Glass-ceramics." Journal of Condensed Matter 1, no. 01 (2023): 20–23. http://dx.doi.org/10.61343/jcm.v1i01.5.

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Lithium aluminosilicate glass-ceramics has many uses in high-tech applications. Beta quartz or spodumene solid solution phase in the Li2O-Al2O3-SiO2-P2O5 glass system has been precipitated by controlled heat-treatment of the parent glass. These glasses prepared by melt-quench technique. High transparency (>80%) in the visible wavelength range has been observed in the material by UV-VIS-NIR spectrometry. FTIR spectra indicated the presence of Si-O as well as Al-O bonds in the glass-ceramics. The LAS glass ceramics showed moderate flexural strength (~80 MPa) and young’s modulus (~50 GPa). Mic

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26

Pellicer-Porres, Julio, Alfredo Segura, Gema Martínez-Criado, Ulises Rodríguez-Mendoza, and Víctor Lavín. "Formation of nanostructures in Eu3+ doped glass–ceramics: an XAS study." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C959. http://dx.doi.org/10.1107/s2053273314090408.

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Lead-aluminosilicate oxyfluoride transparent glass–ceramics doped with RE3+ ions have been revealed to be unique in the field of optical material engineering. This kind of material consists of a beta_x000C_-PbF2 fluoride nanocrystalline phase in an aluminosilicate glassy amorphous phase. In this way, the macroscopic properties of this material are characteristic of aluminosilicate glass, whereas the spectroscopic properties of the RE3+ ions remain those of low-phonon-energy fluoride crystals. The optical properties of the RE3+ ions, and therefore their interest for photonic applications, depen

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27

Boughriet, Abdel, Gildas Doyemet, Nicole Poumaye, et al. "Evidence of the Formation of Crystalline Aluminosilicate Phases in Glass-Ceramics by Calcination of Alkali-Brick Aggregates, Enabling Cs+, Rb+, Co2+, and Sr2+ Encapsulation." Applied Sciences 15, no. 3 (2025): 1379. https://doi.org/10.3390/app15031379.

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The feasibility of using brick aggregates for the preparation of aluminosilicate “glass-ceramic” forms as a novel cementitious composite capable of immobilizing radioactive elements was examined. Raw brick was initially activated with sodium hydroxide. X-ray diffraction analysis (XRD) confirmed zeolites (Na-A and Na-P), illite, and sand (quartz) as major phases. Thermal analysis showed several successive events: dehydration/dehydroxylation of illite, followed by degradation of illite and zeolites. Upon heating to 1000 °C, scanning electron microscopy and XRD provided evidence of the presence o

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Vakalova, T. V., N. P. Sergeev, D. T. Tolegenov, D. Zh Tolegenova, and N. A. Mitina. "Red mud in high-strength ceramics production." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 26, no. 2 (2024): 171–84. http://dx.doi.org/10.31675/1607-1859-2024-26-2-171-184.

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The work is devoted to the creation of high-strength ceramic materials with technogenic waste fillers.Purpose: Investigation of the ceramic and composite production based on chemical and metallurgical wastes to create new types of high quality constructional ceramics.Methodology/approach: The use of refractory clay with the addition of high-iron bauxite sludge as the main raw material. Bauxite sludge functions in compositions with aluminosilicate raw materials at burning at 1100 to 1200 °С, reduce to sintering due to its melting at 1150 °С.Research findings: Refractory clay compositions with r

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29

Mustapa, Nur Bahijah, Romisuhani Ahmad, Wan Mastura Wan Ibrahim, et al. "Effect of Sintering Mechanism towards Crystallization of Geopolymer Ceramic—A Review." Materials 16, no. 11 (2023): 4103. http://dx.doi.org/10.3390/ma16114103.

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Globally, there is an increasing need for ceramic materials that have a variety of applications in the environment, for precision tools, and for the biomedical, electronics, and environmental industries. However, in order to obtain remarkable mechanical qualities, ceramics have to be manufactured at a high temperature of up to 1600 °C over a long heating period. Furthermore, the conventional approach presents issues with agglomeration, irregular grain growth, and furnace pollution. Many researchers have developed an interest in using geopolymer to produce ceramic materials, focusing on improvi

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30

Gurieva, Victoria A., Aleksandr V. Doroshin, and Viktor V. Dubineckij. "Ceramic Bricks of Semi-Dry Pressing with the Use of Fusible Loams and Non-Traditional Mineral Raw Materials." Solid State Phenomena 299 (January 2020): 252–57. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.252.

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The possibility of using aluminosilicate raw materials and ash and slag waste of thermal power plants in the production of ceramic bricks is considered. The physicochemical processes taking place in the preparation of ceramic materials based on ash and slag waste are studied. In order to accelerate the process of sintering a ceramic material, the possibility of using an additive of sodium silicate lump was investigated. Its influence on the technological properties of ceramics of rational composition was studied and the expediency of introducing this additive into the mixture in the amount of

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31

Méndez, Enríquez, M. Vlasova, I. Leon, et al. "Low temperature synthesis of porous silicate ceramics." Science of Sintering 39, no. 1 (2007): 39–49. http://dx.doi.org/10.2298/sos0701039m.

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Impregnation of a polyurethane sponge with kaolin, feldspar, silica, fusible glass slurry followed by temperature treatment in air in the temperature range 800-1000 0 C leads to the formation of aluminosilicate ceramics with a set pore size. The low-temperature synthesis of porous ceramics is based on the stage-by-stage formation of low-temperature eutectics and thermodestruction of polyurethane sponge.

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32

Ivanets, A. I. "Preparation of microfiltration ceramic membranes." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 57, no. 1 (2021): 25–32. http://dx.doi.org/10.29235/1561-8331-2021-57-1-25-32.

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The main factors affecting the physicochemical properties of microfiltration ceramic membranes based on natural quartz sand were studied. It was found that samples of large-porous ceramics with a content of 11.0 wt. % of the aluminosilicate binder and 10.0 wt. % of the burning additive are characterized by average pore size of 22±3.02 µm, water capacity of 54±5.0 m3/(h×m2×bar), and tensile strength of 9.0±0.6 bar. The optimal conditions for membrane layers coating were determined, which allowed obtaining microfiltration ceramic membranes with average pore size of 2.3±0.2 µm, water capacity of

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33

Ahmad, Romisuhani, Abdullah Mohd Mustafa Al Bakri, and J. Nur Ain. "Review on Development of Clay Based Geopolymer Ceramic Composites." Materials Science Forum 803 (August 2014): 37–43. http://dx.doi.org/10.4028/www.scientific.net/msf.803.37.

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Geopolymer results from the reaction of a source material that is rich in silica and alumina such as kaolin with alkaline activator solution. Geopolymers are inorganic aluminosilicate materials that possess relatively good mechanical properties and good thermal behavior but they exhibit failure behavior similar to brittle solids. This limitation may be readily overcome through the formation of ceramics of geopolymer and the addition of filler to improve strength and toughness. This paper review and summarize the current knowledge on geopolymer ceramic with addition of fine filler materials and

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34

Lahl, N. "Aluminosilicate Glass Ceramics as Sealant in SOFC Stacks." ECS Proceedings Volumes 1999-19, no. 1 (1999): 1057–66. http://dx.doi.org/10.1149/199919.1057pv.

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35

Aksel'rod, L. M., Z. E. Goryacheva, N. A. Chuprina, L. Ya Kizil'shtein, and A. L. Shpitsgluz. "Heat-insulating radiotransparent ceramics based on aluminosilicate microspheres." Refractories 37, no. 10 (1996): 337–40. http://dx.doi.org/10.1007/bf02238689.

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36

Savvova, Oksana, Oleh Tur, Hennadii Voronov, Oleksii Fesenko, Olena Babich, and Yuliia Smyrnova. "PROSPECTIVE LITHIUM ALUMINOSILICATE GLASS-CERAMIC MATERIALS FOR PULSE RANGEFINDERS." Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology, no. 2(10) (April 27, 2024): 61–67. http://dx.doi.org/10.20998/2079-0821.2023.02.02.

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The relevance of creating multi-functional nanosecond pulsed laser devices with a generation wavelength that lies in the conditionally eye-safe region of the spectrum of 1.5÷1.6 μm has been established. The prospects of using the mode of passive Q-switching when receiving powerful nanosecond laser pulses with a radiation divergence close to the diffraction one have been determined. Materials for shutters that function in the mode of passive Q-switching were analyzed: solid-state nonlinear optical materials based on single crystals of yttrium-aluminum garnet doped with cations of neodymium, chr

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37

Keppert, M., V. Pommer, K. Šádková, E. Vejmelková, and R. Černý. "Physical properties of alkali activated aluminosilicates based on low-reactivity ceramics in room temperature conditions." Journal of Physics: Conference Series 2628, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1742-6596/2628/1/012008.

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Abstract Alkali activated aluminosilicates (AAA), or geopolymers, are widely studied materials because they are supposed to become a more sustainable alternative to materials based on Portland cement, such is especially concrete. AAA materials are generally produced by activation of an aluminosilicate precursor by an alkaline solution – usually solution of sodium silicate and sodium hydroxide. The capability of the prepared material to be used as construction material is commonly evaluated by means of its compressive strength. The present paper aims to broaden the AAA materials characterizatio

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Guo, Qilong, Liang Hua, Hao Ying, et al. "Effect of Zr2Al4C5 Content on the Mechanical Properties and Oxidation Behavior of ZrB2-SiC-Zr2Al4C5 Ceramics." Materials 16, no. 12 (2023): 4495. http://dx.doi.org/10.3390/ma16124495.

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ZrB2-SiC-Zr2Al4C5 multi-phase ceramics with uniform structure and high density were successfully prepared through the introduction of in situ synthesized Zr2Al4C5 into ZrB2-SiC ceramic via SPS at 1800 °C. A systematic analysis and discussion of the experimental results and proposed mechanisms were carried out to demonstrate the composition-dependent sintering properties, mechanical properties and oxidation behavior. The results showed that the in situ synthesized Zr2Al4C5 could be evenly distributed in the ZrB2-SiC ceramic matrix and inhibited the growth of ZrB2 grains, which played a positive

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Guryeva, Viktoriya, Alexander Doroshin, and Yuliya Andreeva. "Building ceramics based on composition of low-quality clay and slurry." MATEC Web of Conferences 143 (2018): 02014. http://dx.doi.org/10.1051/matecconf/201814302014.

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At present, there is a trend towards increasing demand for ceramic products with enhanced physical and mechanical properties. This study is aimed at developing scientifically grounded compositions of ceramic products that maximize the use of local low-quality aluminosilicate raw materials and secondary raw materials in brick-making technology. Characteristics of local low-melting clays and industrial waste in the form of drilling slurry with minimum percentage of petroleum product were studied and presented in this paper. Standard methods for determining physical and mechanical properties of b

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Guryeva, Viktoriya A., Aleksandr V. Doroshin, and Viktor V. Dubineckij. "Sludge of the Fuel-Energy and Oil-Producing Complex in the Production of Wall Ceramic Products." Materials Science Forum 945 (February 2019): 1036–42. http://dx.doi.org/10.4028/www.scientific.net/msf.945.1036.

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The experience of using slime wastes in the production of wall ceramic bricks is considered. The results of the investigation of clayey raw materials in the deposits of the Western Orenburg region and technogenic wastes of the fuel-energy and oil-producing complex are analyzed with an analysis of their effect on the properties of wall ceramics: density, strength, and water absorption. Based on the results of the research, optimal compositions were developed using ash and slag wastes in a composition with aluminosilicate clay raw material - loam. The influence of drill cuttings with an increase

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Romero, Maximina, Isabel Padilla, Manuel Contreras, and Aurora López-Delgado. "Mullite-Based Ceramics from Mining Waste: A Review." Minerals 11, no. 3 (2021): 332. http://dx.doi.org/10.3390/min11030332.

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Mullite (3Al2O3·2SiO2) is an aluminosilicate characterized by excellent physical properties, which makes it an important ceramic material. In this way, ceramics based on mullite find applications in different technological fields as refractory material (metallurgy, glass, ceramics, etc.), matrix in composite materials for high temperature applications, substrate in multilayer packaging, protective coatings, components of turbine engines, windows transparent to infrared radiation, etc. However, mullite is scarce in nature so it has to be manufactured through different synthesis methods, such as

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Medri, Valentina, Annalisa Natali Murri, Elettra Papa, Claudio Mingazzini, Matteo Scafè, and Elena Landi. "Ultra-High-Temperature Ceramic-Doped Inorganic Polymers for Thermo-Structural Fiber-Reinforced Composites." Materials 16, no. 20 (2023): 6649. http://dx.doi.org/10.3390/ma16206649.

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New inorganic nanostructured matrices for fiber-reinforced composites with enhanced high-temperature stability were developed from alkali aluminosilicate polymers doped with different ultra-high-temperature ceramic (UHTC) particles. The alkali aluminosilicate matrices were synthesized at room temperature with a high SiO2:Al2O3 ratio and then further functionalized by doping with 4–5 wt % of micrometric SiC, ZrB2, ZrC, and HfC powders and finally thermally stabilized as glass–ceramics at 750 °C. The different UHTC-doped matrices were characterized according to their dimensional and microstructu

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Dymshits, Olga, Anastasia Bachina, Irina Alekseeva, et al. "Phase Transformations upon Formation of Transparent Lithium Alumosilicate Glass-Ceramics Nucleated by Yttrium Niobates." Ceramics 6, no. 3 (2023): 1490–507. http://dx.doi.org/10.3390/ceramics6030092.

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Phase transformations in the lithium aluminosilicate glass nucleated by a mixture of yttrium and niobium oxides and doped with cobalt ions were studied for the development of multifunctional transparent glass-ceramics. Initial glass and glass-ceramics obtained by isothermal heat-treatments at 700–900 °C contain YNbO4 nanocrystals with the distorted tetragonal structure. In samples heated at 1000 °C and above, the monoclinic features are observed. High-temperature X-ray diffraction technique clarifies the mechanism of the monoclinic yttrium orthoniobate formation, which occurs not upon high-tem

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Yeganyan, Julia R., Yelena V. Kumkumajyan, Lusine A. Gasparyan, Karine K. Galoyan, Goharik G. Manukyan, and Nikolay B. Knyazyan. "Study of the phase separation process and development of transparent glass-ceramics based on fluorine-containing boron-aluminosilicate systems." Transactions of the Kоla Science Centre of RAS. Series: Engineering Sciences 1, no. 1/2023 (2023): 46–51. http://dx.doi.org/10.37614/2949-1215.2023.14.1.008.

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The processes of crystallization of glasses to obtain transparent glass-ceramics based on fluorine-containing boron-aluminosilicate systems have been studied. The range of compositions along the section of the 2MgO 2Al2O3 5SiO2 — 2(MgO Al2O3)5B2O3 system (MgO Al2O3 content is 28.6 mol. %) is determined in which it is possible to obtain transparent glass-ceramics with the required physicochemical characteristics with single-stage heat treatment of glasses.

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Belov, A. A., O. O. Shichalin, and E. K. Papynov. "Synthesis of Ceramic and Glass Ceramic Matrices with Immobilized Cesium Radionuclides for Active Zones of Ionizing Radiation Sources." Materials Science Forum 945 (February 2019): 827–32. http://dx.doi.org/10.4028/www.scientific.net/msf.945.827.

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The present study was devoted to the development of alternative solutions related to replacement of highly dispersed powder of cesium chloride (137CsCl) used as a filler of active zones of g-radiation IRSs (ionizing radiation sources of the closed type) by safer and more efficient in operation highly compacted ceramic or glass ceramic material. An advanced method of fabrication of highly compacted (density of ~99.8 % of the theoretical one) aluminosilicate (artificial NaA zeolites) ceramic and glass ceramic matrices characterized with high construction strength (compression strength ~149 MPa)

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Li, Minghan, Chuang Dong, Yanping Ma, and Hong Jiang. "Light-Transmitting Lithium Aluminosilicate Glass-Ceramics with Excellent Mechanical Properties Based on Cluster Model Design." Nanomaterials 13, no. 3 (2023): 530. http://dx.doi.org/10.3390/nano13030530.

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In this study, for the first time, a cluster-plus-glue-atom model was used to optimize the composition of lithium aluminosilicate glass-ceramics. Basic glass in glass-ceramics was considered to be a 16-unit combination of three-valence {M2O3} and one-valence {Li2O} units. By adjusting the ratio of {M2O3} and {Li2O}, the composition of basic glass could be optimized. After optimization, the average cation valence of the base glass was increased to 2.875. After heat treatment of the optimized base glass, it is found that the crystal size, proportion, and crystallinity changed obviously compared

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Guo, Wan, Xin Zhao, Shu Wen Jiang, et al. "Microcrystal Growth in Heat-Treating Process for Europium Ions Doped Aluminosilicate Glasses." Applied Mechanics and Materials 193-194 (August 2012): 462–65. http://dx.doi.org/10.4028/www.scientific.net/amm.193-194.462.

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Eu doped YAG glass ceramics containing single phase of YAG micro-cryatals have been obtained by heat-treating the aluminosilicate precursor glasses. The primary crystallite size of YAG phase is calculated to be ~46 nm and the crystal grains grow with preffered orientation (444) in the internal network. The average secondary particle size is estimated to be ~8μm and the larger grain size is due to the particle aggregation. The pilotaxitic texture of YAG glass ceramics presented in SEM micrograph, can increase yield strength and tensile strength of the sample effectively. The emission spectrum o

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Luo, Jin, Shifeng Zhou, Botao Wu, et al. "Greatly enhanced broadband near-infrared emission due to energy transfer from Cr3+ to Ni2+ in transparent magnesium aluminosilicate glass ceramics." Journal of Materials Research 24, no. 2 (2009): 310–15. http://dx.doi.org/10.1557/jmr.2009.0068.

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Cr3+/Ni2+ co-doped optically transparent magnesium aluminosilicate glass-ceramics containing MgAl2O4 nanocrystals have been prepared by heat-treatment. Greatly enhanced broadband near-infrared emission centered at 1216 nm in Cr3+/Ni2+ co-doped glass ceramics is observed when compared with the Ni2+ single-doped glass ceramics under 532 nm excitation. The observed enhancement of infrared emission is attributed to the energy transfer from Cr3+ to Ni2+ ions in the nanocrystalline phase, which leads to the emission due to 3T2(3F) → 3A2(3F) transition of octahedral Ni2+ ions.

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Mecartney, M. L., and P. Angelini. "Analytical TEM of grain boundary phases in yttria-zirconia ceramics." Proceedings, annual meeting, Electron Microscopy Society of America 45 (August 1987): 166–67. http://dx.doi.org/10.1017/s0424820100125762.

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Yttria-zirconia ceramics have a broad range of applications, from use as structural materials (tetragonal zirconia) to ionic conductors (cubic zirconia). Similar to many ceramic materials, these zirconia ceramics often contain small amounts of amorphous silicate phases at grain boundaries and multiple grain junctions. These phases are a result of impurities, introduced during processing or from the original raw material, or are deliberate additions to aid in the densification via liquid phase sintering. Despite the universality of these grain boundary phases, as of yet little work has been und

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Maslennikova, G. N. "Nontraditional Raw Materials in the Production of Aluminosilicate Ceramics." Glass and Ceramics 60, no. 11/12 (2003): 367–69. http://dx.doi.org/10.1023/b:glac.0000020790.36337.91.

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