Academic literature on the topic 'Verres de borosilicate de sodium'
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Journal articles on the topic "Verres de borosilicate de sodium"
HERVIG, RICHARD L., and ALEXANDRA NAVROTSKY. "Thermochemistry of Sodium Borosilicate Glasses." Journal of the American Ceramic Society 68, no. 6 (June 1985): 314–19. http://dx.doi.org/10.1111/j.1151-2916.1985.tb15232.x.
Full textYOSHIDA, Satoshi, Hiroaki TANAKA, Takashi HAYASHI, Jun MATSUOKA, and Naohiro SOGA. "Scratch Resistance of Sodium Borosilicate Glass." Journal of the Ceramic Society of Japan 109, no. 1270 (2001): 511–15. http://dx.doi.org/10.2109/jcersj.109.1270_511.
Full textPablo, H., S. Schuller, M. J. Toplis, E. Gouillart, S. Mostefaoui, T. Charpentier, and M. Roskosz. "Multicomponent diffusion in sodium borosilicate glasses." Journal of Non-Crystalline Solids 478 (December 2017): 29–40. http://dx.doi.org/10.1016/j.jnoncrysol.2017.10.001.
Full textDoweidar, H., M. S. Meikhail, and D. Holland. "Structural aspects of sodium borosilicate glasses." Journal of Non-Crystalline Solids 101, no. 2-3 (May 1988): 280–86. http://dx.doi.org/10.1016/0022-3093(88)90164-0.
Full textMa, Li, Weidong Xiang, Haihong Gao, Lang Pei, Xin Ma, Yunyun Huang, and Xiaojuan Liang. "Carbon dot-doped sodium borosilicate gel glasses with emission tunability and their application in white light emitting diodes." Journal of Materials Chemistry C 3, no. 26 (2015): 6764–70. http://dx.doi.org/10.1039/c5tc00918a.
Full textGou, F., G. N. Greaves, W. Smith, and R. Winter. "Molecular dynamics simulation of sodium borosilicate glasses." Journal of Non-Crystalline Solids 293-295 (November 2001): 539–46. http://dx.doi.org/10.1016/s0022-3093(01)00775-x.
Full textAgostinelli, Elisabetta, Dino Fiorani, and Ernesto Paparazzo. "XPS studies of iron sodium borosilicate glasses." Journal of Non-Crystalline Solids 95-96 (December 1987): 373–79. http://dx.doi.org/10.1016/s0022-3093(87)80133-3.
Full textBauer, U., H. Behrens, S. Reinsch, E. I. Morin, and J. F. Stebbins. "Structural investigation of hydrous sodium borosilicate glasses." Journal of Non-Crystalline Solids 465 (June 2017): 39–48. http://dx.doi.org/10.1016/j.jnoncrysol.2017.03.023.
Full textGoel, Ashutosh, John S. McCloy, Charles F. Windisch, Brian J. Riley, Michael J. Schweiger, Carmen P. Rodriguez, and José M. F. Ferreira. "Structure of Rhenium-Containing Sodium Borosilicate Glass." International Journal of Applied Glass Science 4, no. 1 (November 5, 2012): 42–52. http://dx.doi.org/10.1111/ijag.12003.
Full textØstergaard, Martin B., Randall E. Youngman, Mouritz N. Svenson, Sylwester J. Rzoska, Michal Bockowski, Lars R. Jensen, and Morten M. Smedskjaer. "Temperature-dependent densification of sodium borosilicate glass." RSC Advances 5, no. 96 (2015): 78845–51. http://dx.doi.org/10.1039/c5ra16219j.
Full textDissertations / Theses on the topic "Verres de borosilicate de sodium"
Pablo, Hélène. "Diffusion chimique dans les verres borosilicates d'intérêt nucléaire." Thesis, Paris, Muséum national d'histoire naturelle, 2017. http://www.theses.fr/2017MNHN0014/document.
Full textChemical diffusion is a key-phenomenon during nuclear glass synthesis. At high temperature, diffusion leads to homogenization of the melt contributing to the transformation of heterogeneous waste and frit precursors to a homogeneous glass after cooling. In contrast, in the supercooled liquid, diffusion is a critical factor affecting phase separation and/or crystallization processes that must be avoided when producing a high quality final product.In this manuscript, the impact of chemical diffusion on crystallization and liquid homogenization is studied for a simplified sodium borosilicate glass between its glass transition temperature and its synthesis temperature. For this kind of system, qualified as multicomponent, the description of diffusive phenomena requires the calculation of a diffusion matrix that takes into account diffusive couplings between species. These couplings can be written in the form of diffusive mechanisms or “diffusive exchanges” that are invariant with temperature. The activation energies associated with these exchanges are close to the activation energy of shear viscosity which suggests that viscous flow and chemical diffusion are driven by a single mechanism related to the frequency of Si-O and B-O bond breaking. It is also highlighted that in the supercooled liquid, the principal diffusive exchange (SiO2-Na2O) and the secondary diffusive exchange (SiO2-B2O3) play a significant role on the kinetics and direction of growth of crystalline phases which are formed in our system. These results are used to rationalise the evolution of compositional gradients in the vicinity and far from crystals. In the last part of this work, a complexification of the glasses was initiated by adding lanthanum to simulate one of the main lanthanides of the R7T7 nuclear glass composition. The data collected reveal diffusive couplings between lanthanum and silicon. These couplings, combined with the other results explain the formation of a lanthanum borosilicate phase (LaBSiO5)
Poirot, Isabelle. "Etude du neptunium dans un verre borosilicate." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb376004621.
Full textBureau, Géraldine. "Compréhension structurale des effets d’auto-irradiation alpha dans les verres : couplage entre études spectroscopiques et modélisation atomistique." Paris 6, 2008. http://www.theses.fr/2008PA066698.
Full textMarc, Jean-Louis. "Elaboration et caractérisation optique de nano-cristallites semi-conductrices CdX (X = S, Se, Te) dispersées dans un verre borosilicate de sodium préparé par le procédé sol-gel." Montpellier 2, 1994. http://www.theses.fr/1994MON20257.
Full textCachia, Jean-Nicolas. "Solubilité d'éléments aux degrés d'oxydation III et IV dans les verres de borosilicate." Montpellier 2, 2005. http://www.theses.fr/2005MON20165.
Full textCachia, Jean-Nicolas. "Solubilité d'éléments aux degrés d'oxydation III et IV dans les verres de borosilicate : application aux actinides dans les verres nucléaires /." [Gif-sur-Yvette] : [CEA Saclay, Direction des systèmes d'information], 2006. http://catalogue.bnf.fr/ark:/12148/cb409352592.
Full textJouglard, Dylan. "Propriétés électriques de verres d'intérêt nucléaire." Thesis, Orléans, 2018. http://www.theses.fr/2018ORLE2036/document.
Full textThe vitrification of high-level nuclear waste is an important step to master in order to ensure their immobilization. Since 2010, a cold crucible induction melter is used in the La Hague plant due to its advantages. This process is based on electromagnetic currents directly induced on the load of the crucible whose walls are water-cooled. Thanks to the thermal gradient established between these cooled walls and the molten glass, a solid glass layer called self-crucible is created which protects the crucible from corrosion effects and acts as an electrical insulator. Due to their complex composition and microstructure, the study of electrical and dielectric properties of nuclear glasses and the understanding of the related phenomena are necessary in order to efficiently master the cold crucible process and the associated thermo-hydraulic simulations.This study is dealing with the description of the electric charge motion phenomena involving the electrical and dielectric properties of the nuclear borosilicate glasses. Relationships between these properties, the composition and the microstructure are also given. These issues are firstly broached through the investigation of two industrial inactive glasses of complex composition thanks to microstructure characterizations and complex impedance measurements in the solid-state. A more detailed description of the phenomena is performed thanks to the characterization of simplified glasses containing 5 oxides (SiO2-B2O3-Na2O-CaO -RuO2 or -MoO3) allowing a better understanding of the charge motion according to the electrical field frequency, the temperature, the composition and the microstructure of the material
Cochain, Benjamin. "Cinétique et mécanismes d’oxydoréduction dans les silicates fondus : études expérimentales de verres nucléaires simplifiés et d’échantillons naturels." Paris 6, 2009. https://tel.archives-ouvertes.fr/tel-00813321.
Full textThis work contributes to better understand iron redox reactions and mechanisms in silicate melts. It was conducted on compositions in both Na2O-B2O3-SiO2-FeO et Na2OAl2O3- SiO2-FeO systems. The influence of boron-sodium and aluminum-sodium substitutions and iron content on properties and structure of glasses and on the iron redox kinetics has been studied by Raman, Mössbauer and XANES spectroscopies at the B and Fe K-edges. In borosilicate glasses, an increase in iron content or in the Fe3+/Fe redox state implies a structural rearrangement of the BO4 species in the glass network whereas the BO3 and BO4 relative proportions remain nearly constant. In all studied glasses and melts, Fe3+ is a network former in tetrahedral coordination, unless for aluminosilicates of ratio Al/Na>1 where Fe3+ is a network modifier in five-fold coordination. Near Tg, diffusion of network modifying cations controls the iron redox kinetics along with a flux of electron holes. At liquidus temperatures, oxygen diffusion is considered to be the mechanism that governs redox reactions. This study shows the role played by the silicate network polymerization on the redox kinetics. In borosilicate melts, iron redox kinetics depends on the boron speciation between BO3 and BO4 that depends itself on the sodium content. Furthermore, an increase in the network-former/network-modifier ratio implies a decrease in oxygen diffusion that results in a slowing down of the redox kinetics. The obtained results allow a description of the iron redox kinetics for more complex compositions as natural lavas or nuclear waste model glasses
Viviani, David. "Etude des sites structuraux responsables du transport dans les verres d'alcalins mixtes." Montpellier 2, 2003. http://www.theses.fr/2003MON20184.
Full textDiallo, Babacar. "Etude structurale des phénomènes de séparation de phases dans des verres d'oxydes aluminosilicatés et borosilicatés : application à la synthèse de vitrocéramiques." Thesis, Orléans, 2018. http://www.theses.fr/2018ORLE3014.
Full textPhase separation phenomena in glasses correspond to the formation of heterogeneities during melting,quenching, or any other heat treatment. These heterogeneities modifies the homogeneity and thephysicochemical properties of glasses in the liquid state and can affect shaping operation of glasses. Thus,phase separation study is particularly interesting in the context of glasses formulation and glass-ceramicssynthesis. Indeed, the microstructures induced by the phase separation often lead to regularly distributedvitreous domains in a vitreous matrix, which can be crystallized under an appropriate heat treatment. So, thestructural modifications generated by the phase separation in ternary lanthanum aluminosilicate LaAS,lanthanum borosilicate LaBS and barium borosilicate BaBS is studied by using high resolution solid state NMRto understand the structural changes caused by the phase separation for glass ceramics synthesis
Book chapters on the topic "Verres de borosilicate de sodium"
Yoshino, K., T. Toriyama, T. Inamura, H. Wakabayashi, and T. Nishida. "Mössbauer Spectroscopic Study of Iron-Containing Sodium Borosilicate Glasses." In Hyperfine Interactions (C), 337–40. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0281-3_84.
Full textConference papers on the topic "Verres de borosilicate de sodium"
Cheewasukhanont, Wasu, Kitipun Boonin, Pruittipol Limkitjaroenporn, and Jakrapong Kaewkhao. "Radiation parameter study of bismuth containing sodium calcium borosilicate glasses." In 2015 4th International Conference on Instrumentation, Communications, Information Technology, and Biomedical Engineering (ICICI-BME). IEEE, 2015. http://dx.doi.org/10.1109/icici-bme.2015.7401371.
Full textCopenhaver, Katie E., Jason H. Nadler, and Michael Beckert. "Synthesis and thermal characterization of sodium borosilicate/carbon nanofiber composites." In 2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm). IEEE, 2017. http://dx.doi.org/10.1109/itherm.2017.7992522.
Full textMilanese, D., L. N. Ng, A. Fu, E. R. M. Taylor, C. Contardi, and M. Ferraris. "UV Written Channels in Germano Borosilicate Glasses Doped with Sodium." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Washington, D.C.: OSA, 1999. http://dx.doi.org/10.1364/bgpp.1999.cb4.
Full textHalder, Rumu, Pranesh Sengupta, V. Sudarsan, C. P. Kaushik, and G. K. Dey. "Investigating the effect of V2O5 addition on sodium barium borosilicate glasses." In DAE SOLID STATE PHYSICS SYMPOSIUM 2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4947837.
Full textRysiakiewicz-Pasek, Ewa, Agnieszka Ciżman, Marina Konon, and Tatiana Antropova. "The influence of iron on structure and electrical properties of sodium borosilicate glasses." In PROCEEDINGS OF THE XV INTERNATIONAL CONFERENCE «PHYSICS OF DIELECTRICS». AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0033385.
Full textMennig, Martin, Helmut K. Schmidt, and Claudia Fink-Straube. "Synthesis and properties of sol-gel-derived AgClxBr1-x colloid containing sodium alumo borosilicate glasses." In Submolecular Glass Chemistry and Physics, edited by Phillip Bray and Norbert J. Kreidl. SPIE, 1991. http://dx.doi.org/10.1117/12.50217.
Full textLefebvre, Pierre, Tristan Richard, Jacques Allegre, Henry Mathieu, Annie Pradel, Jean-Louis Marc, Lionel Boudes, William Granier, and Michel Ribes. "Sol-gel preparation and optical characterization of sodium borosilicate glasses doped with II-VI semiconductor nanocrystals." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by John D. Mackenzie. SPIE, 1994. http://dx.doi.org/10.1117/12.188948.
Full textKao, Yu-Hua, Kazutaka Hayashi, Ling Yu, Masayuki Yamane, and John D. Mackenzie. "Preparation of narrow size distribution CdS quantum dots in sodium borosilicate glass by the sol-gel process." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by John D. Mackenzie. SPIE, 1994. http://dx.doi.org/10.1117/12.189012.
Full textXu, Yuhuan, Yu-Hua Kao, Connie Chia, John D. Mackenzie, Seppo Honkanen, and Nasser Peyghambarian. "Optical waveguide based on CdS quantum-dot-doped sodium borosilicate glass fabricated by the sol-gel technique." In Optical Science, Engineering and Instrumentation '97, edited by Bruce S. Dunn, John D. Mackenzie, Edward J. A. Pope, Helmut K. Schmidt, and Masayuki Yamane. SPIE, 1997. http://dx.doi.org/10.1117/12.284129.
Full textYusufali, C., R. J. Kshirsagar, R. K. Mishra, C. P. Kaushik, P. Sengupta, R. S. Dutta, and G. K. Dey. "Surface studies on aluminized and thermally oxidized superalloy 690 substrates interacted with simulated nuclear waste and sodium borosilicate melt." In SOLID STATE PHYSICS: Proceedings of the 58th DAE Solid State Physics Symposium 2013. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4872782.
Full textReports on the topic "Verres de borosilicate de sodium"
Cozzi, A. D. Technical Status Report on the Effect of Phosphate and Aluminum on the Development of Amorphous Phase Separation in Sodium Borosilicate Glasses. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/9850.
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