Letteratura scientifica selezionata sul tema "Calcium aluminosilicate"

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Articoli di riviste sul tema "Calcium aluminosilicate"

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Loganina, Valentina Ivanovna, Ludmila V. Makarova, Roman V. Tarasov, and Anton D. Ryzhov. "The Limy Composite Binder with the Use of the Synthesized Aluminosilicates." Applied Mechanics and Materials 662 (October 2014): 11–14. http://dx.doi.org/10.4028/www.scientific.net/amm.662.11.

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The information about the structure and properties of the synthesized nanodisperse additive based on the aluminosilicates of calcium, intended for the production of limy dry construction mixes are provided. It is shown that the mineral composition of an additive is presented by crystal types of hydroxides of aluminum (bayerite and boyhmite) and the nanostructured amorphous aluminosilicate of calcium. It is established that the additive based on the aluminosilicates accelerates the process of hardening of limy compositions.
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Walkley, Brant, Rackel San Nicolas, Marc-Antoine Sani, John D. Gehman, Jannie S. J. van Deventer, and John L. Provis. "Synthesis of stoichiometrically controlled reactive aluminosilicate and calcium-aluminosilicate powders." Powder Technology 297 (September 2016): 17–33. http://dx.doi.org/10.1016/j.powtec.2016.04.006.

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Jiang, Fengrui, Laifei Cheng, Yiguang Wang, and Xuanxuan Huang. "Calcium–magnesium aluminosilicate corrosion of barium–strontium aluminosilicates with different strontium content." Ceramics International 43, no. 1 (January 2017): 212–21. http://dx.doi.org/10.1016/j.ceramint.2016.09.138.

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Snellings, Ruben. "Surface Chemistry of Calcium Aluminosilicate Glasses." Journal of the American Ceramic Society 98, no. 1 (October 4, 2014): 303–14. http://dx.doi.org/10.1111/jace.13263.

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Higby, P. L., Lynda E. Busse, and Ishwar D. Aggarwal. "Properties of Low-Silica Calcium Aluminosilicate Glasses." Materials Science Forum 67-68 (January 1991): 155–60. http://dx.doi.org/10.4028/www.scientific.net/msf.67-68.155.

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SHELBY, J. E. "Formation and Properties of Calcium Aluminosilicate Glasses." Journal of the American Ceramic Society 68, no. 3 (March 1985): 155–58. http://dx.doi.org/10.1111/j.1151-2916.1985.tb09656.x.

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Chervonnyi, A. D., and N. A. Chervonnaya. "Synthetic calcium aluminosilicate monolith: IV. Mechanical properties." Russian Journal of Inorganic Chemistry 55, no. 10 (October 2010): 1529–35. http://dx.doi.org/10.1134/s0036023610100062.

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Agnello, Gabriel, Robert Manley, Nicholas Smith, William LaCourse, and Alastair Cormack. "Triboelectric properties of calcium aluminosilicate glass surfaces." International Journal of Applied Glass Science 9, no. 1 (May 22, 2017): 3–15. http://dx.doi.org/10.1111/ijag.12276.

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Hwa, Luu-Gen. "Rayleigh-Brillouin scattering in calcium aluminosilicate glasses." Journal of Raman Spectroscopy 29, no. 4 (April 1998): 269–72. http://dx.doi.org/10.1002/(sici)1097-4555(199804)29:4<269::aid-jrs234>3.0.co;2-2.

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Derrien, A. C., H. Oudadesse, J. C. Sangleboeuf, P. Briard, and A. Lucas-Girot. "Thermal behaviour of composites aluminosilicate-calcium phosphates." Journal of Thermal Analysis and Calorimetry 75, no. 3 (2004): 937–46. http://dx.doi.org/10.1023/b:jtan.0000027187.14921.86.

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Tesi sul tema "Calcium aluminosilicate"

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Zhang, Siqi. "The effect of boron substitution on the structure of calcium-aluminosilicate calcium-fluoro-aluminosilicate glasses and glass-ceramics." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7173/.

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This work focuses on the effect of boron substitution for aluminium on the structure o£ a series of fluorine-free (4.5Si02-3A12O3-1.5P205-5Ca0) and fluorine-containing (4.5Si02-3A1203-1.5P205-3Ca0-2CaF2) glasses and the resultant glass ceramics has been studied by using a combination of analytical tools like helium pycnometer, FTIR, Raman, XRD, multinuclear MAS-NMR spectroscopy and thermal analysis by DSC and TGA. The morphology of the crystal phases was observed by ESEM, and the identification of the composition observed was achieved by EDX. The density of both boron-substituted aluminium gla
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Oppici, Maria A. "Sodium sulfate hot corrosion of silicon carbide fiber-reinforced calcium aluminosilicate." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA297663.

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Bouchouicha, Hamed. "Élaboration, caractérisation structurale et étude des propriétés de luminescence des verres et des vitrocéramiques alumino-silicatés de calcium dopés à l'europium." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1035/document.

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Ce travail de thèse porte sur l'étude des verres alumino-silicatés de calcium dopés à l'europium et le processus de leur cristallisation sous forme des vitrocéramiques dans le cadre de la recherche de nouveaux phosphores pour application LED à émission blanche. Nous avons étudié trois échantillons vitreux avec différentes teneurs en silice et avons élaboré des vitrocéramiques cristallisées. La caractérisation des verres et des vitrocéramiques a été réalisée par différentes techniques expérimentales : l'analyse thermique, la diffraction des rayons X et la spectroscopie de diffusion Raman. Les p
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Newton, Peter J. "Sodium sulfate corrosion of silicon carbide fiber-reinforced calcium aluminosilicate glass-ceramic matrix composites." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA283703.

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Bouhadja, Mohammed. "Modélisation des verres d 'aluminosilmicates de calcium par dynamique moléculaire : Structure et dynamique." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00961955.

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Ce travail a pour but d'étudier les propriétés structurales et dynamiques des verres aluminosilicate de calcium CaO-Al2O3-SiO2 (CAS) par dynamique moléculaire classique, à partir d'un potentiel empirique de type Born-Mayer-Huggins, construit sur la base de résultats de dynamique moléculaire ab initio (AIMD) et expérimentaux. Il montre de bonnes propriétés de transférabilité sur toutes les concentrations pour les propriétés structurales et dynamiques étudiées. L'évolution des propriétés structurales a été étudiée en fonction de la température et de la concentration en silice pour trois rapports
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Lambert, Julien. "Etude structurale d’aluminosilicates de calcium : application à la valorisation de déchets amiantés pour le stockage thermique d’énergie solaire." Thesis, Orléans, 2013. http://www.theses.fr/2013ORLE2012.

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L’objectif de ce travail de thèse est d’établir les relations entre les propriétés structurales et les conditions d’élaboration d’un vitrifiat de déchets amiantés (nom commercial Cofalit®), dans la perspective de fabriquer un prototype de module de stockage thermique d’énergie solaire. Malgré des provenances de déchets très diverses, les variations de compositions du vitrifiat restent limitées. Les conditions d’élaboration (de refroidissement en particulier) induisent par contre d’importantes disparités dans la microstructure. L’analyse d’une carotte de Cofalit nous a permis de déterminer les
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Terra, Idelma Aparecida Alves. "Investigação espectroscópica e estudo dos processos de conversão de energia em vidros e nano-cristais co-dopados com íons Tb3+ e Yb3+." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/18/18158/tde-26082013-172114/.

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A busca por alternativas viáveis de produção de energia limpa e renovável, utilizando recursos naturais, tem sido um grande desafio. Em especial, o interesse no uso da energia solar para obter energia elétrica tem aumentado. Todavia, as células solares convencionais que são confeccionadas a partir de silício cristalino (Si-c) apresentam uma eficiência de conversão limitada, principalmente, devido às perdas por incompatibilidade espectral. Sendo assim, um dos objetivos dos pesquisadores na área de fotovoltaicos tem sido converter eficientemente fótons da região do visível do espectro solar para
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Kozaily, Jad. "Structure et dynamique d'aluminosilicates de calcium fondus." Phd thesis, Université d'Orléans, 2012. http://tel.archives-ouvertes.fr/tel-00717373.

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L'étude des silicates fondus présente un intérêt dans divers domaines de recherche comme la géologie ou la fabrication des verres avec des applications technologiques importantes telles que par exemple, le confinement des déchets nucléaires. Ces recherches demandent des informations fondamentales sur la structure et la dynamique de ces liquides au niveau microscopique mais l'acquisition des données est très souvent limitée par les températures de fusion élevées des composés étudiés. Notre travail s'est donc basé sur l'utilisation de techniques sans contact afin de s'affranchir de cette difficu
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GANSTER, Patrick. "Modélisation de verres intervenant dans le conditionnement des déchets radioactifs par dynamiques moléculaires classique et ab initio." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2004. http://tel.archives-ouvertes.fr/tel-00007894.

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Un verre de composition 67 % SiO_2 - 12 % Al_2O_3 - 21 % CaO, choisi comme modèle simplifié des pellicules d'altération, est modélisé par les méthodes de dynamique moléculaire (DM) classique et ab initio.<br /><br />L'étude des effets de taille, en DM classique, montre que les systèmes de 100 atomes présentent un caractère plus ordonné par rapport à des systèmes de plus grande taille. L'effet observé est principalement lié à l'utilisation de termes de potentiels 3-corps. Non observable sur les facteurs de structure neutronique, le facteur calculé à partir d'une structure modélisée est en bonne
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Selmani, Samira. "Formulation de liants aluminosilicates à partir de différentes argiles tunisiennes." Thesis, Limoges, 2015. http://www.theses.fr/2015LIMO0041.

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Ce travail est basé sur la synthèse d’un liant aluminosilicaté de type géopolymère à partir de différentes argiles tunisiennes. Afin de comprendre les mécanismes de géopolymérisation, une première étape a concerné la caractérisation des matières premières argileuses par différentes méthodes d’analyses ainsi que leur comportement vis-à-vis du traitement thermique. La faisabilité des matériaux consolidés a été étudiée afin de comprendre le rôle des minéraux associés et la granulométrie de l’argile, en présence d’une solution de référence et de sources aluminosilicatées connues, sur les produits
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Libri sul tema "Calcium aluminosilicate"

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Newton, Peter J. Sodium sulfate corrosion of silicon carbide fiber-reinforced calcium aluminosilicate glass-ceramic matrix composites. Monterey, Calif: Naval Postgraduate School, 1994.

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Capitoli di libri sul tema "Calcium aluminosilicate"

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Goulding, Keith W. T. "Potassium—Calcium Exchange Equilibria in Aluminosilicate Minerals and Soils." In ACS Symposium Series, 327–40. Washington D.C.: American Chemical Society, 1987. http://dx.doi.org/10.1021/bk-1987-0323.ch015.

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Zhang, Lin, Hiroshi Yamada, Yusuke Imai, and Chao Nan Xu. "Development of A Novel Elasticoluminescent Material with Calcium Aluminosilicate." In High-Performance Ceramics V, 352–54. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.352.

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Schofield, J. M., P. A. Bingham, and R. J. Hand. "The Immobilisation of a Chloride Containing Actinide Waste Surrogate in Calcium Aluminosilicate Glasses." In Ceramic Transactions Series, 69–80. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2009. http://dx.doi.org/10.1002/9780470538371.ch8.

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Gharzouni, Ameni, Clément Alizé, and Sylvie Rossignol. "Fire Resistant Geopolymers Based on Several Clays Mixtures." In Clay and Clay Minerals [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98566.

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This chapter aims to highlight the effect of clay mixture mineral composition and alkali concentration of potassium alkaline solutions on the thermal behavior of geopolymer materials. For this, three mixtures composed of kaolin (pure, impure kaolin or mixture of both), calcium carbonate, sand and potassium feldspar and three potassium alkaline silicate solutions with different concentrations were used (5, 6 and 7 mol.L−1). At first, the effect of rotary calcination parameters at 750°C such as the dwell time (30, 60, 120 and 180 min) and weight powder (100, 400 and 500 g) was investigated. It was demonstrated that the kaolin dehydroxylation is quasi complete (&gt; 90%) and do not significantly depend on the dwell time and powder weight. Whereas the carbonate decomposition degree increases with the increase of dwell time and the decrease of powder weight but still not complete (&lt;80%). These differences influence the feasibility of consolidated materials. Indeed, a flash setting occurs for samples based mixtures with high calcium carbonate decomposition degree (&gt; 50%) and low wettability values (500 μL/g) for the three used alkaline solutions. The thermal behavior at 1000°C depends on the chemical composition of the aluminosilicate source and the concentration of alkaline solution. A conservation of the compressive strength at 43 MPa after thermal treatment at 1000°C of geopolymers based on mixture of pure and impure kaolin and a low potassium concentration solution (5 mol.L−1) was evidenced.
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Sato, K., J. Iritani, R. Miyamoto, S. Fujita, K. Suzuki, M. Ohkawa, and T. Mori. "Reactivity of superoxide ions (O2−) occluded in micropores of calcium aluminosilicate varied via substitution with transition metal ions." In Molecular Sieves: From Basic Research to Industrial Applications, Proceedings of the 3rd International Zeolite Symposium (3rd FEZA), 2001–8. Elsevier, 2005. http://dx.doi.org/10.1016/s0167-2991(05)80566-x.

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Shah, Naresh, Gerald P. Huffman, Frank E. Huggins, and Anup Shah. "REACTION OF CALCIUM AND ALKALI ELEMENTS WITH ALUMINOSILICATES AND QUARTZ DURING COAL COMBUSTION." In 1991 International Conference on Coal Science Proceedings, 404–7. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0387-4.50103-0.

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Atti di convegni sul tema "Calcium aluminosilicate"

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Zhang, Y. Y., Y. H. Qi, and Z. S. Zou. "Early stage hydration properties of calcium aluminosilicate slag." In 2016 6th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icadme-16.2016.6.

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dos Santos, J. F. M., L. A. O. Nunes, N. G. C. Astrath, M. L. Baesso, R. Moncorgé, and T. Catunda. "High-order nonlinearities in Tb3+ doped calcium aluminosilicate glasses." In Advanced Solid State Lasers. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/assl.2015.atu2a.11.

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Borrero-González, L. J., I. A. A. Terra, L. A. O. Nunes, A. N. Medina, and M. L. Baesso. "Spectroscopic Properties and Laser Performance in Yb3+, Er3+ Co-Doped Calcium Aluminosilicate Glasses." In Laser Science. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/ls.2012.lw5i.4.

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Majidi, Azar P., and Tsu-Wei Chou. "Elevated Temperature Studies of Continuous and Discontinuous Fiber Reinforced Ceramic Matrix Composites." In ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/89-gt-124.

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This paper reviews the analytical and experimental investigations at the Center for Composite Materials of the University of Delaware on ceramic matrix composites with continuous and discontinuous reinforcements. The focus is on the strength, fracture and creep behaviors of these composites. The experimental studies have been conducted on hot-pressed SiC whisker reinforced alumina and Nicalon SiC fiber reinforced calcium aluminosilicate (CAS) composites.
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Le Losq, Charles, Bjorn O. Mysen, and George D. Cody. "In situ Raman Spectroscopy of Water-Bearing Calcium Aluminosilicate Melts during High Temperature and High Pressure Diamond Cell Experiments." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1453.

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Faucett, David C., and Sung R. Choi. "Strength Degradation of Oxide/Oxide and SiC/SiC Ceramic Matrix Composites in CMAS and CMAS/Salt Exposures." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-46771.

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CMAS (Calcium-Magnesium-Aluminosilicate) has shown to induce some deleterious effects on yittria-stabilized-zirconia (YSZ) based thermal barrier coatings (TBCs) of hot section components of aeroengines. The effects were shown to be dependent on the types and operating conditions of engines/components. The work presented here explored how CMAS would affect ceramic matrix composites (CMCs) in terms of strength degradation. Four different, gas-turbine grade CMCs were utilized including two types of MI SiC/SiCs and other two types of oxides/oxides (N720/aluminisilicate and N720/alumina). Test spec
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Eliel, G. S. N., N. G. C. Astrath, P. T. Udo, L. C. Malarne, M. L. Baesso, T. Catunda, and C. Jacinto. "Spectroscopic properties and heat generation of Yb3+/Ho3+ and Tm3+/Ho3+ co-doped low silica calcium aluminosilicate glasses for emission around 2 µm." In Frontiers in Optics. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/fio.2012.fw3a.18.

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Choi, Sung R., and D. Calvin Faucett. "Combined Effects of CMAS and FOD in Ceramic Matrix Composites." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-70049.

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The combined effects of CMAS (calcium magnesium aluminosilicate) and FOD (foreign object damage) were determined in three different ceramic matrix composites (CMCs), two melt-infiltrated (MI) SiC/SiCs and one oxide/oxide. Foreign object damage was introduced at ambient temperature in CMC test targets using 1.6 mm steel ball projectiles at an impact velocity of 340 m/s utilizing a ballistic impact gun. One type of target support, partial support, was used. The impact-damaged test coupons were then CMAS-exposed at 1200°C for 10 hrs in air. Additional tests were also performed by exposing impact-
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Rudko, Georgii, Mariia Kyrilo, and Maksym Ozerko. "MULTICOMPONENT DEPOSITS WITH BY-PRODUCT AS THE MAIN SOURCE OF FELDSPAR RAW MATERIALS FOR MODERN TECHNOLOGIES." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/32.

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"Feldspar is raw materials with a growing volume of production every year, as well as a price for it. Feldspar consumption has been gradually increasing in ceramics, glass industry for solar panels, housing, and building construction. Feldspar raw materials include intrusive, effusive rocks, weathering crust of crystalline rocks, sedimentary altered and altered rocks, as well as partially medium and basic aluminosilicate rocks. It was defined an industrial application for each species of feldspar. Potassium feldspars (orthoclase, microcline, sanidine) are used in electroceramic, electrode, abr
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Kuleshova, L. A., A. S. Kasakova, and I. S. Tatyanchenko. "INFLUENCE OF PRECURSORS ON THE CONTENT OF MINERAL PHOSPHORUS FRACTIONS IN THE SOILS OF RICE FIELDS IN THE ROSTOV REGION." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.704-708.

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The article is devoted to the problem of phosphoric nutrition of rice on chestnut soils of the northernmost zone of rice cultivation in Russia. The paper reveals the role of water-soluble fractions of phosphorus, aluminosilicates, iron phosphates and calcium phosphates in the nutrition of rice plants during the growing season. The influence of the previous culture on the content and consumption of these fractions was established.
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