Littérature scientifique sur le sujet « Superconducting bulks »
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Articles de revues sur le sujet "Superconducting bulks"
Zhang, Sheng Nan, Xiao Bo Ma, Ji Xing Liu, Jian Qing Feng, Cheng Shan Li et Ping Xiang Zhang. « Effects of High-Energy Ball Milling Time on the Sintering Process of FeSe Superconductors ». Materials Science Forum 848 (mars 2016) : 657–63. http://dx.doi.org/10.4028/www.scientific.net/msf.848.657.
Texte intégralZhang, Yufeng, Chunyan Li, Ziwei Lou, Penghe Zhang, Yan Zhang, Shuangyuan Shen, Guanjie Ruan et Jiaying Zhang. « The Performance of the Two-Seeded GdBCO Superconductor Bulk with the Buffer by the Modified TSMG Method ». Micromachines 14, no 5 (30 avril 2023) : 987. http://dx.doi.org/10.3390/mi14050987.
Texte intégralFUJISHIRO, Hiroyuki. « Magnetization of Superconducting Bulks ». TEION KOGAKU (Journal of the Cryogenic Society of Japan) 46, no 3 (2011) : 81–88. http://dx.doi.org/10.2221/jcsj.46.81.
Texte intégralCheng, Yanxing, Jun Zheng, Huan Huang et Zigang Deng. « A reconstructed three-dimensional HTS bulk electromagnetic model considering J c spatial inhomogeneity and its implementation in a bulks’ combination system ». Superconductor Science and Technology 34, no 12 (12 novembre 2021) : 125017. http://dx.doi.org/10.1088/1361-6668/ac336b.
Texte intégralImao, Hiroya, Kousuke Matsumoto et Satoru Kishida. « Preparation of Partial-Melted Sm-Ba-Cu-O Bulk Superconductor ». Advances in Science and Technology 47 (octobre 2006) : 165–69. http://dx.doi.org/10.4028/www.scientific.net/ast.47.165.
Texte intégralDouine, Bruno, Kevin Berger et Nickolay Ivanov. « Characterization of High-Temperature Superconductor Bulks for Electrical Machine Application ». Materials 14, no 7 (26 mars 2021) : 1636. http://dx.doi.org/10.3390/ma14071636.
Texte intégralLi, Lei, Hong Zhang, Yong Zhao et Yong Zhang. « MgB2 superconductor prepared by Mg diffusion method with the addition of reduced graphene oxide ». International Journal of Modern Physics B 32, no 24 (13 septembre 2018) : 1850268. http://dx.doi.org/10.1142/s0217979218502685.
Texte intégralZhang, Yufeng, Ziwei Lou, Penghe Zhang, Chunyan Li, Jiaying Zhang et Xiaojuan Zhang. « Flux Pinning Properties of Single-Grain Bulk GdBCO Superconductors Processed by Different Thicknesses of Y123 Liquid Source ». Micromachines 13, no 5 (29 avril 2022) : 701. http://dx.doi.org/10.3390/mi13050701.
Texte intégralFujimoto, H., H. Shimada et S. Yoshizawa. « Mechanical properties of DyBaCuO superconducting bulks ». Physica C : Superconductivity and its Applications 463-465 (octobre 2007) : 374–78. http://dx.doi.org/10.1016/j.physc.2007.04.235.
Texte intégralMamalis, A. G., I. N. Vottea, D. E. Manolakos, A. Szalay et A. Kladas. « Numerical Simulation of Explosive Consolidation of Superconducting Bulk Components ». International Journal of Modern Physics B 17, no 18n20 (10 août 2003) : 3563–67. http://dx.doi.org/10.1142/s0217979203021411.
Texte intégralThèses sur le sujet "Superconducting bulks"
Bozzo, Closas Bernat. « Superconducting joining of melt textured YBCO bulks ». Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/369047.
Texte intégralThe obtention of bulk YBa2Cu3O7 tiles by the Top Seeded Melt Growth method carries and implicit limitation on the shape and size of the pieces. In order to overcome this limitation a joining method based on the use of an Ag foil as a welding agent has been proposed. This thesis work was focused in the following aspects: • The refinement of the welding methodology for YBCO pellets in order to solve the issues present. • Characterization of the microstructure of welded pellets. • The development of suitable quantitative analysis tool for evaluating the weld quality in terms of its superconducting behavior. • The expansion of the methodology to include welds with crystallographic misorientation and study the influence of such a crystallographic misorientation on the electric and magnetic properties The first step was to develop a furnace bundled with an in-situ observation video setup that allowed visually record the evolution of the sample during the thermal process. Those videos revealed the existence of two types of liquids that were dragged out from the weld position. The microstructural study carried out on the welded samples indicated that this loss of liquid was the source of microstructural malformations at the weld position. A modification on the sample holder was required and solved the issue. All the studied samples were analyzed under the scope of their micro-structural characteristics and their magnetic properties. For the case of the micro-structural characterization, a basic study was carried out in order to determine the successfulness of the weld formation and it was used as a feedback parameter for fine-tuning the thermal process. The weld microstructure was further investigated in order to obtain more information about its characteristics and in order to obtain a better understanding about the mechanisms that make the weld formation possible. A proper study of the magnetic and electric properties was also required, since the final objective of the superconducting welding technology is to join several YBCO tiles while maintaining the superconducting properties at the weld position. For that purpose, magnetic imaging Hall Effect based measurements were performed on the specimens under study. From the local magnetization maps, current density distribution maps were obtained by using specialized software. In order to understand and obtain useful information from those current density maps, a simulation software piece was developed and the knowledge acquired from those simulations allowed obtaining the inter- and intra-granular critical current density values (JcGB and JcG) from each sample. The ratio between JcGB and JcG was studied as a function of the misorientation angle. In principle, a behavior similar to coated conductors was expected. However, the dependence found was weaker than the considered model case. That determined dependence was compared with similar studies on grain boundaries in bulk YBCO, revealing a similar behavior and indicating that the JcGB/JcG ratio value was potentially intrinsic to the misorientation angle. This hypothesis was confirmed when several samples with different YBCO grain characteristics but with the sample misorientation were compared. Field dependence measurements of the magnetization maps were also performed in order to determine the vortex pinning regimes present at the samples and to compare them with the thin film case. Despite the weld pinning regimes were similar, the behavior at the grain was slightly different. Finally, the superconducting properties were correlated with the mechanical properties. The hardness of the material was evaluated by using nano-indentation techniques at different positions. The ratio between the hardness at the weld and away from the weld exhibited a high correlation with the JcGB/JcG ratio.
Patel, Anup. « Pulsed field magnetization of composite superconducting bulks for magnetic bearing applications ». Thesis, University of Cambridge, 2013. https://www.repository.cam.ac.uk/handle/1810/256579.
Texte intégralYan, Yu. « Thermally actuated magnetisation flux pump system for high temperature superconducting bulks ». Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609510.
Texte intégralHuang, Zhen. « A fully high temperature superconducting synchronous motor using pulsed field magnetization, bulks, and 2G HTS coils ». Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709396.
Texte intégralSusner, Michael A. « Influences of Crystalline Anisotropy, Doping, Porosity, and Connectivity on the Critical Current Densities of Superconducting Magnesium Diboride Bulks, Wires, and Thin Films ». The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1344984007.
Texte intégralDorget, Rémi. « Étude et conception d'une machine supraconductrice à modulation de flux pour application aéronautique ». Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0018.
Texte intégralAs part of the fight against climate change, the aeronautics industry has set itself the goal of becoming totally carbon neutral by 2050. To achieve this, the use of disruptive technologies is necessary to reduce the emissions of this fast-growing sector. Among these technologies, we find electrification, but its deployment requires high specific power electrical machines. In this context, superconductivity can be a way of improving electrical machines thanks to the high current densities and intense magnetic fields that can be generated with superconducting materials. The main drawback of this technology is the need to operate at cryogenic temperatures. However, the prospect of aircraft using liquid hydrogen as a fuel, transported at -253°C, presents a synergy with superconductivity. It is in this context that the work of this thesis is placed, which aims to study the use of high critical temperature superconducting materials for the development of a high specific power superconducting engine employing an original topology called "flux modulation machine". This machine structure has been studied for several years at the University of Lorraine within the Groupe de Recherche en Énergie Électrique de Nancy (GREEN), the laboratory in which this thesis was carried out. The work reported in this manuscript is part of a CIFRE agreement with the company SAFRAN. In order to allow the study of this machine, this thesis includes two chapters dedicated to the semi-analytical electromagnetic modelling of an axial flux modulation machine. The objective of this model is to allow a fast and accurate calculation of the torque and losses of a machine. The use of this model in the following chapter leads to the electromagnetic dimensioning of a 260 kW demonstrator. This design also takes into account the various technical and logistical constraints encountered. A fifth chapter details the ongoing construction of the demonstrator and its mechanical and cryogenic structure. Finally, the last chapter of this manuscript deals with the extrapolation of the experimental results in order to evaluate the potential performances of flux modulation machines at higher power
Grira, Sarra. « Microstructure, texture and superconductive properties of High Temperature Superconducting "HTS" oxides : yBCO thin films and bulk NBCO and YBCO ». Thesis, Metz, 2009. http://www.theses.fr/2009METZ005S/document.
Texte intégralThe aim of this work is the study of crystallographic texture and microstructure in connection with the superconducting properties (Tc and Jc) of High Temperature Superconducting (HTS) materials: YBCO and NBCO. Microstructure is studied by X-Ray Diffraction (XRD) and Electron backscatter Diffraction (EBSD). The Determination of critical temperature (Tc) and critical current density (Jc) are made with Superconducting Quantum Interference Device (SQUID) magnetometer or Physical Properties Measurement System (PPMS). The first part of this work investigates the crystallographic textures of the YBCO film by using EBSD in order to deduce the epitaxial relationship between the superconducting layer and the buffer layer. This thin film is made up of three successive deposits (among which 300 nm of YBCO), used in fault current limiters for electrical engineering applications. The second part presents the study of NdBa2Cu3O7-d (NBCO) and YBCO bulks prepared by various techniques. The effect of silver doping of YBCO has been studied on samples prepared by the Melt Textured Growth (MTG) technique under low oxygen partial pressure. The doping up to a given amount of silver enhances the microstructure and the critical current density. A comparison of the physical and structural characteristics between NBCO oxygenated exsitu and YBCO oxygenated in-situ, prepared by MTG under high magnetic field has been made. Zone-melted NBCO samples textured by zone melting method oxygenated respectively in-situ and ex-situ have been studied. These samples exhibit the same texture with the occurrence of twins for the NBCO oxygenated ex-situ
Kurupakorn, C., N. Hayakawa, N. Kashima, S. Nagaya, M. Noe, K. P. Juengst et H. Okubo. « Development of high temperature superconducting fault current limiting transformer (HT/sub c/-SFCLT) with Bi2212 bulk coil ». IEEE, 2004. http://hdl.handle.net/2237/6750.
Texte intégralManton, Stephen John. « Fabrication and characterisation of high temperature superconducting bulk YBCO ». Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396128.
Texte intégralShimizu, H., K. Kato, Y. Yokomizu, T. Matsumura et N. Murayama. « Resistance rise in Bi2223 superconducting bulk after normal transition due to overcurrent ». IEEE, 2001. http://hdl.handle.net/2237/6782.
Texte intégralLivres sur le sujet "Superconducting bulks"
Koblischka, M. R. Growth and Characterization of HTSc Nanowires and Nanoribbons. Sous la direction de A. V. Narlikar. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.013.11.
Texte intégralInamuddin, dir. Superconductors. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/978164490210.
Texte intégralLi, Y. Y., et J. F. Jia. Topological Superconductors and Majorana Fermions. Sous la direction de A. V. Narlikar. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.013.6.
Texte intégralChapitres de livres sur le sujet "Superconducting bulks"
Honjo, Tetsuji, Seiichi Miyake et Takayo Hasegawa. « Mechanical and Superconducting Properties in Bi-2223 Bulks for Current Lead ». Dans Advances in Superconductivity IX, 939–42. Tokyo : Springer Japan, 1997. http://dx.doi.org/10.1007/978-4-431-68473-2_70.
Texte intégralColle, Alexandre, Thierry Lubin, Sabrina Ayat et Jean Leveque. « Superconducting Motor Using HTS Bulk ». Dans High-Tc Superconducting Technology, 477–527. New York : Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164685-14.
Texte intégralMurakami, Akira. « Mechanical Properties and Fracture Behaviors of Superconducting Bulk Materials ». Dans High-Tc Superconducting Technology, 557–76. New York : Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164685-16.
Texte intégralSrikanth, Arvapalli Sai. « Ultrasonication : A Cost-Effective Way to Synthesize High-Jc Bulk MgB2 ». Dans High-Tc Superconducting Technology, 265–82. New York : Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164685-8.
Texte intégralDiko, P., K. Zmorayova, L. Vojtkova, V. Antal, V. Kucharova, R. Pagacova, V. Kavečanský et al. « Growth, Microstructure, and Superconducting Properties of Ce Alloyed YBCO Bulk Single-Grain Superconductors ». Dans High-Tc Superconducting Technology, 75–149. New York : Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164685-3.
Texte intégralNagashima, K., T. Miyamoto, S. I. Yoo, M. Murakami, Y. Iwasa, K. Sawa et H. Fujimoto. « Superconducting Bulk Levitation Using an Electromagnet ». Dans Advances in Superconductivity XI, 1011–16. Tokyo : Springer Japan, 1999. http://dx.doi.org/10.1007/978-4-431-66874-9_237.
Texte intégralNamburi, Devendra K., et David A. Cardwell. « Dense and Robust (RE)BCO Bulk Superconductors for Sustainable Applications : Current Status and Future Perspectives ». Dans High-Tc Superconducting Technology, 17–74. New York : Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164685-2.
Texte intégralGuilmeau, E., Daniel Chateigner, J. Noudem et B. Ouladdiaf. « Combined Analysis of Bi2223 Superconducting Bulk Materials ». Dans Solid State Phenomena, 385–90. Stafa : Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-09-4.385.
Texte intégralOswald, B., M. Krone, M. Söll, T. Straßer, J. Oswald et K. J. Best. « Optimisation of Superconducting Motors with YBCO Bulk Material ». Dans Advances in Cryogenic Engineering, 1653–57. Boston, MA : Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4215-5_89.
Texte intégralHabisreuther, T., D. Litzkendorf R. Müller, M. Zeisberger, S. Kracunovska, O. Surzhenko, J. Bierlich, W. Gawalek et T. A. Prikhna. « Bulk Superconducting Function Elements for Electric Motors and Levitation ». Dans Ceramic Transactions Series, 337–50. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118405932.ch30.
Texte intégralActes de conférences sur le sujet "Superconducting bulks"
Ohsaki, H., M. Sekino, T. Suzuki et Y. Terao. « Design study of wind turbine generators using superconducting coils and bulks ». Dans 2009 International Conference on Clean Electrical Power (ICCEP). IEEE, 2009. http://dx.doi.org/10.1109/iccep.2009.5212007.
Texte intégralTerao, Y., M. Sekino et H. Ohsaki. « Design study of linear synchronous motors using superconducting coils and bulks ». Dans 2010 International Power Electronics Conference (IPEC - Sapporo). IEEE, 2010. http://dx.doi.org/10.1109/ipec.2010.5543127.
Texte intégralLojka, Michal, Jan Sklenka, Tomáš Hlásek, Filip Antončík, Anna-Marie Lauermannová et Ondřej Jankovský. « Comparison of superconducting properties of YBCO and EuBCO single-domain bulks ». Dans 27TH INTERNATIONAL MEETING OF THERMOPHYSICS 2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0163788.
Texte intégralLiu, L., et J. Li. « Levitation Force Transition of High-Tc Superconducting Bulks above a Spinning Permanent Magnetic Guideway ». Dans 2016 Joint International Information Technology, Mechanical and Electronic Engineering Conference. Paris, France : Atlantis Press, 2016. http://dx.doi.org/10.2991/jimec-16.2016.55.
Texte intégralSalem, M. K. Ben, E. Hannachi, Y. Slimani, A. Hamrita, L. Bessais, F. Ben Azzouz et M. Ben Salem. « Effect of nanowires SiO[sub 2] on superconducting properties of YBa[sub 2]Cu[sub 3]O[sub 7−d] bulks ». Dans 3RD INTERNATIONAL ADVANCES IN APPLIED PHYSICS AND MATERIALS SCIENCE CONGRESS. AIP, 2013. http://dx.doi.org/10.1063/1.4849231.
Texte intégralLo, W. « Melt processing bulk magnets - what can be achieved ». Dans IEE Colloquium on High Tc Superconducting Materials as `Magnets'. IEE, 1995. http://dx.doi.org/10.1049/ic:19951521.
Texte intégralGassot, H. « Analytical Predictions of Thermal Stress in Plasma Spray Coating and in Substrate at Low Temperature Compared with Strains Measurements ». Dans ITSC 2000, sous la direction de Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0371.
Texte intégralKumar, D., S. Yarmolenko, C. Waters et J. Sankar. « Synthesis and Characterization of MgB2 Bulk Superconductors With Enhanced Properties by Means of Silver Doping ». Dans ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43375.
Texte intégralZheng, Luhai, et Jianxun Jin. « Characteristics of high temprature superconducting bulk magnet ». Dans 2009 International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2009. http://dx.doi.org/10.1109/asemd.2009.5306706.
Texte intégralALFORD, MARK. « BULK VISCOSITY OF COLOR-SUPERCONDUCTING QUARK MATTER ». Dans Proceedings of the International Symposium EXOCT07. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812797049_0037.
Texte intégralRapports d'organisations sur le sujet "Superconducting bulks"
Netel, Harrie. Low temperature y-ray spectrometers based on bulk superconducting and dielectric absorber crystals. Office of Scientific and Technical Information (OSTI), novembre 1999. http://dx.doi.org/10.2172/15013114.
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