Academic literature on the topic 'Bulk magnets'
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Journal articles on the topic "Bulk magnets":
Saito, Tetsuji, Masahiro Tanaka, and Daisuke Nishio-Hamane. "Production of Mn-Ga Magnets." Materials 17, no. 4 (February 14, 2024): 882. http://dx.doi.org/10.3390/ma17040882.
Saito, Tetsuji, and Daisuke Nishio-Hamane. "Production of Nd-Fe-B bulk nanocomposite magnets by hot deformation." AIP Advances 13, no. 2 (February 1, 2023): 025040. http://dx.doi.org/10.1063/9.0000381.
Ma, Jun. "The Effect of the Horizontal Distance between the Permanent Magnets on the Levitation Force in Hybrid Magnetic Levitation System." Advanced Materials Research 750-752 (August 2013): 987–90. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.987.
Yue, Ming, Meng Tian, Wei Qiang Liu, and Jiu Xing Zhang. "Spark Plasma Sintering Nd2Fe14B/α-Fe Bulk Exchange-Spring Magnets." Materials Science Forum 475-479 (January 2005): 2161–64. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.2161.
Ma, Jun. "The Effect of the Distance between the Permanent Magnets on the Levitation Force in Hybrid Magnetic Levitation System." Advanced Materials Research 721 (July 2013): 278–81. http://dx.doi.org/10.4028/www.scientific.net/amr.721.278.
Liao, Hengpei, Weijia Yuan, Zhiwei Zhang, and Min Zhang. "Magnetization mechanism of a hybrid high temperature superconducting trapped field magnet." Journal of Applied Physics 133, no. 2 (January 14, 2023): 023902. http://dx.doi.org/10.1063/5.0133219.
Vuong, Nguyen Van. "MnBi Magnetic Material: A Critical Review." Communications in Physics 29, no. 4 (December 16, 2019): 441. http://dx.doi.org/10.15625/0868-3166/29/4/14326.
Saito, Tetsuji. "Production of Sm2Fe17N3 Bulk Magnets." Inorganics 12, no. 4 (March 23, 2024): 95. http://dx.doi.org/10.3390/inorganics12040095.
Oka, Tetsuo, Tomoki Muraya, Nobutaka Kawasaki, Satoshi Fukui, Jun Ogawa, Takao Sato, and Toshihisa Terasawa. "Magnetizing of permanent magnets using HTS bulk magnets." Cryogenics 52, no. 1 (January 2012): 27–31. http://dx.doi.org/10.1016/j.cryogenics.2011.10.005.
Vuong, Nguyen Van. "HIGHLY ANISOTROPIC MnBi MAGNETS." Vietnam Journal of Science and Technology 54, no. 1A (March 16, 2018): 58. http://dx.doi.org/10.15625/2525-2518/54/1a/11806.
Dissertations / Theses on the topic "Bulk magnets":
Lwin, Mark. "The dynamic compaction of the metastable hard magnet powder Sm!b2!sFe!b17!sNx to form bulk magnets." Thesis, Queensland University of Technology, 1994.
Unge, Mikael. "Molecular Electronics : A Theoretical Study of Electronic Structure of Bulk and Interfaces." Doctoral thesis, Linköpings universitet, Beräkningsfysik, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6938.
Kapek, Jakub. "Modélisations 2D et 3D, conception et réalisation d’un inducteur pour aimanter un ensemble de pastilles supraconductrices." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0113.
Today, superconductors are used in many applications, for example in cables, motors, alternators or for the generation of strong magnetic fields. Superconductors are available as tapes, wires or bulk materials. The process of magnetising superconductors results in bulk superconductors with a much higher trapped magnetic field than conventional permanent magnets. Proper magnetisation is the key to a very strong trapped magnetic field. The work developed in this thesis concerns the 2D and 3D modelling, design and realisation of an inductor to magnetise a set of superconducting pellets. Generally speaking, there are three techniques for magnetising superconductors: Zero Field Cooling (ZFC), Field Cooling (FC) and Pulsed Field Magnetization (PFM). We focus on PFM because it is a more compact and less expensive solution compared to the other techniques. The mentioned magnetisation process and all the phenomena involved have been solved based on the Finite Element Method (FEM) and using different formulations. In this work, we studied and compared in 2D and 3D the A-formulation, the H-formulation and an A-H formulation by coupling the different variables on the material boundaries. The comparison showed the advantages of the A-H formulation in modelling superconducting problems. Indeed, in some cases, we have shown that the use of the A-H formulation allows to reduce the simulation time. The model developed from this formulation is therefore an interesting tool for future dimensioning work and the development of superconductor applications at GREEN laboratory. We have also dimensioned and numerically studied a complete inductor model allowing one or more superconductors to be magnetised simultaneously. We study two configurations: prototype I for magnetising a single superconductor (2D problem) and prototype II for magnetising three superconductors (3D problem). Both configurations are solved by considering the electromagnetic and thermal phenomena as well as the coupling with the circuit equations feeding the inductor. The simulations showed that the temperature rise in the superconductor of about 10 Kelvin generated during the PFM magnetisation affected the trapped magnetic field. It was observed that the presence of one or more superconducting bulks did not affect the current pulse in the inductor. The maximum trapped field obtained numerically for prototype I was 706 mT and 736 mT for prototype II. The results obtained were then compared with the simulation results. However, some of the superconductors exhibited strong inhomogeneity in their properties, which resulted in a reduction in the experimentally observed trapped magnetic field. Hypotheses were made to try to reproduce numerically these inhomogeneities and their effects. However, this numerical calculation can only be done by 3D modelling without the possibility of using symmetries, and leads to a calculation time of up to several days. Experimentation with prototypes resulted in a maximum trapped magnetic field of 686 mT when one pellet was magnetised, while it was 606 mT when several pellets were magnetised simultaneously. Lowering the temperature by using another cryogenic fluid such as liquid hydrogen or another cooling system would increase this trapped magnetic field value to much higher values for the targeted electrical engineering applications
Lewin, Richard Peter. "Superconductors and high magnetic fields." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:09992030-625d-4e6c-8152-6a61bb2cdb07.
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.
Jensen, Morten R. F. "Far infrared magneto-spectroscopy of bulk and surface magnetic excitations in FeFâ†2." Thesis, University of Essex, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361040.
De, Silvestri Federica. "Investigation of the magnetic levitation between HTS bulks and permanent magnets." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.
Masood, Ansar. "Functional Metallic Glasses." Doctoral thesis, KTH, Teknisk materialfysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101901.
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Ahmed, Naseer. "Magneto-optics of MBE grown bulk and low dimensional III-V semiconductors." Thesis, Heriot-Watt University, 1991. http://hdl.handle.net/10399/1084.
Mitra, Chandrima. "COMPUTATIONAL STUDIES OF GADOLINIUM IN NITRIDES : BULK GDN AND GD-DOPED GAN." Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1238690053.
Books on the topic "Bulk magnets":
Prüser, Henning. Scanning Tunneling Spectroscopy of Magnetic Bulk Impurities. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06385-0.
1947-, Komoroski Richard A., ed. High resolution NMR spectroscopy of synthetic polymers in bulk. Deerfield Beach, Fla: VCH Publishers, 1986.
Stefanita, Carmen-Gabriela. From bulk to nano: The many sides of magnetism. Berlin [u.a.]: Springer, 2010.
Fedotov, V. D. Structure and dynamics of bulk polymers by NMR-methods. Berlin: Springer-Verlag, 1989.
Fedotov, V. D. Structures and dynamicsof bulk polymers by NMR-methods. Berlin: Springer-Verlag, 1989.
G, Rosenbaum Joseph, and Geological Survey (U.S.), eds. Sediment magnetic and paleomagnetic data from Buck Lake, Oregon. Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.
V, Gardner James, and Geological Survey (U.S.), eds. P-wave velocity, wet bulk density, magnetic susceptibility, acoustic impedance, and visual core descriptions of sediment recovered during Research Cruise EW9504: Data, techniques, and procedures. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
V, Gardner James, and Geological Survey (U.S.), eds. P-wave velocity, wet bulk density, magnetic susceptibility, acoustic impedance, and visual core descriptions of sediment recovered during Research Cruise EW9504: Data, techniques, and procedures. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
V, Gardner James, and Geological Survey (U.S.), eds. P-wave velocity, wet bulk density, magnetic susceptibility, acoustic impedance, and visual core descriptions of sediment recovered during Research Cruise EW9504: Data, techniques, and procedures. [Menlo Park, CA]: U.S. Geological Survey, 1995.
V, Gardner James, and Geological Survey (U.S.), eds. P-wave velocity, wet bulk density, magnetic susceptibility, acoustic impedance, and visual core descriptions of sediment recovered during Research Cruise EW9504: Data, techniques, and procedures. [Menlo Park, CA]: U.S. Geological Survey, 1995.
Book chapters on the topic "Bulk magnets":
Fidler, J. "Review of Bulk Permanent Magnets." In Magnetic Hysteresis in Novel Magnetic Materials, 567–97. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5478-9_63.
Jin, Z. Q., K. H. Chen, J. Li, G. Kennedy, H. Zeng, S. F. Cheng, and Z. L. Wang. "Shock Compaction of Exchange-Coupled Bulk Nanocomposite Magnets." In Powder Materials: Current Research and Industrial Practices III, 91. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118984239.ch11.
Liu, J. P. "Fabrication of Bulk Nanocomposite Magnets by Nano-Powder Metallurgy." In Powder Materials: Current Research and Industrial Practices III, 179–85. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118984239.ch18.
Brecharya, G. P., E. A. Vasilyeva, and N. F. Janchik. "Gas-atomization Nd-Fe-B Powders for Permanent Magnets." In Materials Development and Processing - Bulk Amorphous Materials, Undercooling and Powder Metallurgy, 287–91. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607277.ch46.
Gatteschi, Dante, Luca Pardi, Anne Laure Barra, and Achim Müller. "Polyoxovanadates: The Missing Link between Simple Paramagnets and Bulk Magnets?" In Topics in Molecular Organization and Engineering, 219–31. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0920-8_16.
Kamijo, Hiroki, Kaoru Nemoto, and Hiroyuki Fujimoto. "Case Study of High-Tc Superconducting Bulk Magnets for Maglev." In Advances in Superconductivity XII, 812–14. Tokyo: Springer Japan, 2000. http://dx.doi.org/10.1007/978-4-431-66877-0_240.
Brecharya, G. P., E. A. Vasilyeva, Yu G. Putilov, and S. V. Ustinova. "The Structure and Properties of Powder Didymium-Iron-Boron Magnets." In Materials Development and Processing - Bulk Amorphous Materials, Undercooling and Powder Metallurgy, 281–86. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607277.ch45.
Jakubovics, J. P. "Bulk magnetic properties and their measurement." In Magnetism and Magnetic Materials, 49–97. 2nd ed. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003422044-3.
Yue, Ming, Meng Tian, Wei Qiang Liu, and Jiu Xing Zhang. "Spark Plasma Sintering Nd2Fe14B/α-Fe Bulk Exchange-Spring Magnets." In Materials Science Forum, 2161–64. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.2161.
Turner, Scott S. "Measurement of Bulk Magnetic Properties." In Multi Length-Scale Characterisation, 1–61. Chichester, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118683972.ch1.
Conference papers on the topic "Bulk magnets":
Gopalan, R., A. A. Kundig, M. Ohnuma, and K. Hono. "High coercivity in FePt-based bulk magnets." In INTERMAG Asia 2005: Digest of the IEEE International Magnetics Conference. IEEE, 2005. http://dx.doi.org/10.1109/intmag.2005.1464070.
Ohsaki, H., M. Tokuda, and M. Tsuchiya. "Electromagnetic levitation assisted by bulk superconducting magnets." In IEEE International Magnetics Conference. IEEE, 1999. http://dx.doi.org/10.1109/intmag.1999.837487.
Lo, W. "Melt processing bulk magnets - what can be achieved." In IEE Colloquium on High Tc Superconducting Materials as `Magnets'. IEE, 1995. http://dx.doi.org/10.1049/ic:19951521.
Ohsaki, Hiroyuki, Satsuki Okumura, and Fumiya Harashima. "Damping Characteristics of Magnetic Levitation using Bulk Superconductors and Permanent Magnets." In 2023 14th International Symposium on Linear Drivers for Industry Applications (LDIA). IEEE, 2023. http://dx.doi.org/10.1109/ldia59564.2023.10297459.
Ener, Semih, Ulysse Rocabert, Fernando Maccari, Alex Aubert, Guixiang Qin, Andres Martin-Cid, Alberto Bollero, and Oliver Gutfleisch. "Magnetic, physical and chemical properties of consolidated Mn-Al-C bulk magnets." In 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). IEEE, 2023. http://dx.doi.org/10.1109/intermagshortpapers58606.2023.10228812.
Suzuki, Keisuke, Tatsuya Nakasaki, Hidetaka Nakashima, Panart Kajornrunruan, Misaki Onomata, Yushi Kinoshita, Ruizhe Zhang, and Edmund Soji Otabe. "Study on Polishing Method Using Double Magnet System by Superconductive Assisted Machining Method." In JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/lemp2020-8553.
Yue, M., P. Niu, and J. Zhang. "Spark plasma sintering Fe3B/(Pr,Tb)2Fe14B bulk nanocomposite permannet magnets." In INTERMAG 2006 - IEEE International Magnetics Conference. IEEE, 2006. http://dx.doi.org/10.1109/intmag.2006.375809.
Feng, X., G. Gao, K. Davey, M. Werst, R. Hebner, R. Weinstein, D. Parks, and R. Sawh. "Radial flux high temperature superconductor motor using bulk trapped field magnets." In 2009 IEEE International Electric Machines and Drives Conference (IEMDC). IEEE, 2009. http://dx.doi.org/10.1109/iemdc.2009.5075246.
Chiriac, H., and N. Lupu. "New FeNbB based bulk amorphous and nanocomposite soft magnets for applications." In INTERMAG Asia 2005: Digest of the IEEE International Magnetics Conference. IEEE, 2005. http://dx.doi.org/10.1109/intmag.2005.1463694.
Nariki, S. "Trapped-field of RE-123 (RE=Gd,Dy) bulk superconducting magnets." In ADVANCES IN CRYOGENIC ENGINEERING: Proceedings of the International Cryogenic Materials Conference - ICMC. AIP, 2002. http://dx.doi.org/10.1063/1.1472603.
Reports on the topic "Bulk magnets":
Kwun, H. L51694 Investigation of Techniques for Bulk Stress Measurement on Exposed Pipelines-Phases I and II. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), October 1993. http://dx.doi.org/10.55274/r0010318.
Grosjean, E., D. S. Edwards, C. J. Boreham, D. DiBugnara, and T. Buckler. Magnetic susceptibility and bulk density data from Waukarlycarly 1, Canning Basin, Australia: destructive analysis report 2020-007. Geoscience Australia, 2020. http://dx.doi.org/10.11636/record.2020.019.