Academic literature on the topic 'Nb3Sn superconductor'

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Journal articles on the topic "Nb3Sn superconductor"

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Talantsev, Evgeny F., Evgeniya G. Valova-Zaharevskaya, Irina L. Deryagina, and Elena N. Popova. "Characteristic Length for Pinning Force Density in Nb3Sn." Materials 16, no. 14 (2023): 5185. http://dx.doi.org/10.3390/ma16145185.

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The pinning force density, Fp, is one of the main parameters that characterize the resilience of a superconductor to carrying a dissipative-free transport current in an applied magnetic field. Kramer (1973) and Dew-Hughes (1974) proposed a widely used scaling law for this quantity, where one of the parameters is the pinning force density maximum, Fp,max, which represents the maximal performance of a given superconductor in an applied magnetic field at a given temperature. Since the late 1970s to the present, several research groups have reported experimental data on the dependence of Fp,max on
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Rodrigues, D., A. J. Garratt-Reed, and S. Foner. "Experimental determination of k-factors for grain boundary analysis of alloyed Nb3Sn superconductor wires." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 1008–9. http://dx.doi.org/10.1017/s0424820100172772.

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In superconductors the critical current densities are limited by the ability of the pinning centers in the material to pin flux lines. In A15-type superconductor wires, such as Nb3Sn, the pinning centers are the boundaries of A15 grains formed during the reaction heat treatment between the Nb and Sn at 650-750°C. The pinning behavior in these wires usually relates the average grain size and average composition of the A15 phase to the pinning force measured for the same wire. Few publications described the variations of the pinning behavior due to changes in the grain and grain-boundary composi
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Hall, Ernest L., Lee E. Rumaner, and Mark G. Benz. "Interfacial studies in Nb3Sn superconductors." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 590–91. http://dx.doi.org/10.1017/s0424820100087264.

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The intermetallic compound Nb3Sn is a type-II superconductor of interest because it has high values of critical current density Jc in high magnetic fields. One method of forming this compound involves diffusion of Sn into Nb foil containing small amounts of Zr and O. In order to maintain high values of Jc, it is important to keep the grain size in the Nb3Sn as small as possible, since the grain boundaries act as flux-pinning sites. It has been known for many years that Zr and O were essential to grain size control in this process. In previous work, we have shown that (a) the Sn is transported
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Han, Xuheng. "The Manufacture and Performance of Low Temperature Superconductors." Journal of Physics: Conference Series 2152, no. 1 (2022): 012049. http://dx.doi.org/10.1088/1742-6596/2152/1/012049.

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Abstract The application of Nb3Sn superconductor joints is an important part in the production of ITER, MRI and so on. This paper first introduced the application, like coil of MRI, and basic information including the micro crystal structure of Nb3Sn superconductor, which includes the theoretical critical temperature of 18.1K, even mostly, experiments take place under 4.2K, which is the boiling point of liquid helium. Second, it talked a little about the production of CICC joints in industry. Then, mainly introduced the testing device, material parameters and testing procedures of resistance t
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Schiesaro, Irene, Simone Anzellini, Rita Loria, et al. "Anomalous Behavior in the Atomic Structure of Nb3Sn under High Pressure." Crystals 11, no. 4 (2021): 331. http://dx.doi.org/10.3390/cryst11040331.

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In the present study, the local atomic structure of a Nb3Sn superconductor sample has been probed by X-ray absorption fine structure (XAFS) as a function of hydrostatic pressure (from ambient up to 26 GPa) using a diamond anvil cell set-up. The analysis of the Nb-K edge extended X-ray absorption fine structure (EXAFS) data was carried out combining standard multi shell structural refinement and reverse Monte Carlo method to provide detailed in situ characterization of the pressure-induced evolution of the Nb local structure in Nb3Sn. The results highlight a complex evolution of Nb chains at th
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Pramono, Andika Widya. "Preliminary Observation on Macro Texture of Nb3Sn Low Temperature Superconductor (LTS)." Advanced Materials Research 789 (September 2013): 193–97. http://dx.doi.org/10.4028/www.scientific.net/amr.789.193.

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The macro texture of Nb3Sn superconductor was observed in order to identify the tendency of crystallographic orientation of such A15 compound. The Nb3Sn samples were prepared through the powder metallurgy process with the composition of 24at%Sn-76at%Nb. The well-blended Nb-Sn powder was consolidated by means of the uni-axial compression method, while the subsequent sintering was performed at T = 700°C for t = 96 hr. The macro texture of the sintered samples was measured using D8 Advance XRD Goniometer and the corresponding results were analyzed in the form of pole figures. Preliminary results
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Hidaka, M., H. Fujii, and S. Yamashita. "Structural phase transitions in superconductor Nb3Sn." Phase Transitions 58, no. 4 (1996): 247–61. http://dx.doi.org/10.1080/01411599608241822.

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Cantoni, M., V. Abächerli, D. Uglietti, B. Seeber, and R. Flükiger. "Analytical TEM of Nb3Sn Multifilament Superconductor Wires." Microscopy and Microanalysis 14, S2 (2008): 1146–47. http://dx.doi.org/10.1017/s1431927608087175.

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Yanson, I. K., I. F. Rybal’chenko, V. V. Fisun, et al. "Spatially inhomogeneous discrete states of a superconductor upon injection of nonequilibrium quasiparticles from a point contact with a normal metal." Soviet Journal of Low Temperature Physics 14, no. 11 (1988): 639–42. https://doi.org/10.1063/10.0032054.

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The current–voltage characteristics (IVC) of S–c−N point contacts of superconductors with a small coherence length ξ0 reveal steps with discrete values of the differential resistance. This peculiarity is associated with a transition of the contact region of the superconductor to a spatially inhomogeneous state under the influence of the current injection of nonequilibrium quasiparticles penetrating the superconductor to a depth lE. The role of the relaxation of the disbalance between the occupancies of electron- and hole-like branches of the quasiparticle spectrum is manifested in the displace
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Zhang, Zhichao, and Lifan Shi. "Elastic–Plastic Mechanical Behavior Analysis of a Nb3Sn Superconducting Strand with Initial Thermal Damage." Applied Sciences 12, no. 16 (2022): 8313. http://dx.doi.org/10.3390/app12168313.

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It is well known that the parameters of Nb3Sn superconducting strands are strain sensitive, and the internal brittle Nb3Sn filament can easily break under deformations. A temperature difference from the preparation temperature of about 1000 K to the cryogenic working environment of 4.2 K damages brittle Nb3Sn fibers before working. Based on the Curtin–Zhou model, the damage theory for fiber-reinforced composites is utilized to study the influence of filament fractures caused by thermal stress. According to the typical multi-scale geometric of the EAS-Nb3Sn strand (European Advanced Superconduc
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Dissertations / Theses on the topic "Nb3Sn superconductor"

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Abdel, Hafiz Mahmoud. "Étude de l'état mécanique des conducteurs en Nb3Sn durant le traitement thermique pour les futurs électro-aimants d'accélérateurs." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPAST221.

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Le Nb3Sn est un matériau supraconducteur utilisé dans la fabrication de conducteurs d'électro-aimants à haut champ, et est essentiel pour les futurs accélérateurs de particules. Différentes méthodes de mise en forme existent pour ces conducteurs, mais toutes nécessitent un traitement thermique à des températures supérieures à 600°C afin de permettre la formation du Nb3Sn. Pendant ce traitement thermique, différentes phases intermédiaires se forment, entraînant une évolution des déformations des conducteurs. Il est nécessaire de quantifier ces déformations afin d'assurer l'intégrité de l'électr
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Deambrosis, Silvia Maria. "6 GHz cavities: a method to test A15 intermetallic compounds rf properties." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425962.

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We needed a fast, easy and performing way to produce and measure A15 superconducting resonators. The idea is to build micro-cavities completely equal in shape to the real scale model. 6 GHz resonators can become our cavity shaped samples. Since the International Committee for Future Accelerators recommended that the Linear Collider design has to be based on the superconducting technology, the scientifc world interest is now focused on further developments of new resonant cavities fabrication techniques and cost reduction. It is important to pursue research on new materials: the goal will
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Santra, Sangeeta. "Diffusion Controlled Growth of A15-Based Nb3Sn and V3Ga Intermetallic Compounds." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/3928.

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The A15-based Nb3Sn and V3Ga superconducting compounds are an integral part of synchrotrons and magnetic fusion reactor technology, especially where a magnetic field higher than 10 T is required, which lies beyond the limit of conventional Nb-Ti superconductors (~8 T). These brittle intermetallic compounds are difficult to manufacture in the form of wires, required for the application purpose, using the traditional wire-drawing process. Hence, bronze technique is adopted to fabricate such filamentary wires. This is based on the solid-state diffusion where A3B compound (A=Nb or V, B=Sn or Ga) f
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Santra, Sangeeta. "Diffusion Controlled Growth of A15-Based Nb3Sn and V3Ga Intermetallic Compounds." Thesis, 2015. http://etd.iisc.ernet.in/2005/3928.

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The A15-based Nb3Sn and V3Ga superconducting compounds are an integral part of synchrotrons and magnetic fusion reactor technology, especially where a magnetic field higher than 10 T is required, which lies beyond the limit of conventional Nb-Ti superconductors (~8 T). These brittle intermetallic compounds are difficult to manufacture in the form of wires, required for the application purpose, using the traditional wire-drawing process. Hence, bronze technique is adopted to fabricate such filamentary wires. This is based on the solid-state diffusion where A3B compound (A=Nb or V, B=Sn or Ga) f
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Book chapters on the topic "Nb3Sn superconductor"

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Miyazaki, T., N. Matsukura, T. Miyatake, et al. "Improvement of Critical Current Density in the Bronze-Processed Nb3Sn Superconductor." In Advances in Cryogenic Engineering Materials. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9056-6_124.

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Yu, D., K. DeMoranville, M. Takayasu, and T. Wong. "A New Technique to Fabricate Multifilament Nb3Sn Superconductor Using Cabled Monocore Subelements." In Advances in Cryogenic Engineering Materials. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9056-6_120.

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Ekin, J. W., and S. L. Bray. "High Compressive Axial Strain Effect on the Critical Current and Field of Nb3Sn Superconductor Wire." In Advances in Cryogenic Engineering Materials. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9059-7_182.

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Okamoto, Hiroyuki, Yutaka Ishihara, and Kitomi Tsutsumi. "Critical Fields of Anisotropic Superconductor Nb3S4." In Advances in Superconductivity III. Springer Japan, 1991. http://dx.doi.org/10.1007/978-4-431-68141-0_53.

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Hazelton, D. W., G. M. Ozeryansky, M. S. Walker, et al. "Internal Tin Process Nb3Sn Superconductors for 18 Tesla." In Advances in Cryogenic Engineering Materials. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-9871-4_119.

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Tachikawa, K., M. Natsuume, H. Tomori, and Y. Kuroda. "High-Field Nb3Sn Superconductors Prepared through a New Route." In Advances in Cryogenic Engineering Materials. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9059-7_176.

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Tachikawa, K., Y. Kuroda, H. Tomori, and M. Ueda. "High-Field Performance of Nb3Sn Superconductors Prepared from Intermediate Compound." In Advances in Cryogenic Engineering Materials. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9056-6_118.

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Miyazaki, T., N. Matsukura, T. Miyatake, et al. "Development of Bronze-Processed Nb3Sn Superconductors for 1GHz NMR Magnets." In Advances in Cryogenic Engineering Materials. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9056-6_123.

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Summers, L. T., M. J. Strum, and J. R. Miller. "The Characterization of Nb3Sn Superconductors for Use in Magnets of 19 T and Greater." In Advances in Cryogenic Engineering Materials. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-9880-6_10.

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Nikulin, A., A. Shikov, A. Vorobjova, et al. "The Investigation of the Effect of Niobium Artificial Doping with Titanium on Nb3Sn Superconductors Properties." In Advances in Cryogenic Engineering Materials. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9059-7_173.

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Conference papers on the topic "Nb3Sn superconductor"

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Renaud, C. V. "Nb3Sn Powder-in-Tube Superconductor: Processing, Design Optimization and Properties." In ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the International Cryogenic Materials Conference - ICMC. AIP, 2004. http://dx.doi.org/10.1063/1.1774591.

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Renaud, C. V. "High Field Nb3Sn Superconductor Fabricated by the Internal-Tin-Tube Process." In ADVANCES IN CRYOGENIC ENGINEERING. AIP, 2006. http://dx.doi.org/10.1063/1.2192387.

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Gregory, E. "Various Methods of Reducing AC Losses and Improving Stability of Internal-Tin Nb3Sn Superconductors." In ADVANCES IN CRYOGENIC ENGINEERING. AIP, 2006. http://dx.doi.org/10.1063/1.2192432.

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Reports on the topic "Nb3Sn superconductor"

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Carr, Jr, Wagner W. J., and G. R. Nb3Sn Superconductor Loss Study. Defense Technical Information Center, 1988. http://dx.doi.org/10.21236/ada262113.

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Herath Mudiyanselage, Dinusha. Terahertz Second Harmonic Generation Form Nb3Sn Superconductor. Iowa State University, 2021. http://dx.doi.org/10.31274/cc-20240624-1386.

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Author, Not Given. Novel Low-Cost Method of Manufacturing Nb3Sn Multifilamentary Superconductors with Multiple-Tin-Sources. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1040713.

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Xu, Xingchen. Development of Advanced $Nb_3Sn$ Superconductors for Future Energy-Frontier Colliders. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1592123.

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Fermi Research Alliance, LLC. A Novel Low-Cost Method of Manufacturing Nb3Sn Superconductors with Multiple-Tin-Tube Sources. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1617221.

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Sperry, E. Dynamic Stability Threshold in High-Performance Internal-Tin Nb3Sn Superconductors for High Field Magnets. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/1661619.

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