Relevant bibliographies by topics / Neodymium magnet

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Neodymium magnet'

Author: Grafiati
Published: 3 June 2025
Last updated: 23 June 2025

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Journal articles on the topic "Neodymium magnet"

1

Lu, Yan, and Jie Jia Hu. "Effect of Neodymium Magnet Field on Operation of Inductive Watt-Hour Meters." Applied Mechanics and Materials 197 (September 2012): 820–24. http://dx.doi.org/10.4028/www.scientific.net/amm.197.820.

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To the illegal stealing problem using strong magnets, the paper studied on the effect of neodymium magnet field on operation of single phase watt-hour meters. The experimental results show that the magnetic field of neodymium magnet increased braking torque of inductive watt-hour meters and caused the negative error, increased starting current， the instrument internal permanent magnet was magnetized, and anomalies of the permanent magnet degaussing can effectively detect electricity theft.
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Yingnakorn, Tanongsak, Piamsak Laokhen, Loeslakkhana Sriklang, Tapany Patcharawit, and Sakhob Khumkoa. "Study on Recovery of Rare Earth Elements from NdFeB Magnet Scrap by Using Selective Leaching." Materials Science Forum 1009 (August 2020): 149–54. http://dx.doi.org/10.4028/www.scientific.net/msf.1009.149.

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High power neodymium magnets have been used extensively, such as components of hard disk drives, electric vehicles, and maglev trains. This type of magnet contains of high concentration of rare earth elements. After the device is out of service, the magnet will be removed and the rare earth element contained in the magnet will be extracted in order to reuse for any purposes. Recently, the study on extraction of rare earth elements (REE) from neodymium magnets is increased. However, there was only few research regarding to the extraction of rare earth metals by using a water leaching method. In this study, rare-earth elements were extracted from neodymium magnet scrap by using selective leaching technique. Initially, magnets were leached with 2 M of sulfuric acid for 24 hrs. Then, the leached solution was heated at 110°C in order to remove water and the green powder was remained. The green powder was further roasted in a muffle furnace at various temperatures from 750°C to 900°C for 2 hrs. and subsequently leached by water. Finally, the iron oxide residue was separated from rare earth element solution by filtration. Based on this experiment, it was found that the purity of the rare earth metals can be achieved up to 99.4%.
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Weir, Graham John, George Chisholm, and Jerome Leveneur. "The magnetic field about a three-dimensional block neodymium magnet." ANZIAM Journal 62 (April 25, 2021): 386–405. http://dx.doi.org/10.21914/anziamj.v62.14220.

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Neodymium magnets were independently discovered in 1984 by General Motors and Sumitomo. Today, they are the strongest type of permanent magnets commercially available. They are the most widely used industrial magnets with many applications, including in hard disk drives, cordless tools and magnetic fasteners. We use a vector potential approach, rather than the more usual magnetic potential approach, to derive the three-dimensional (3D) magnetic field for a neodymium magnet, assuming an idealized block geometry and uniform magnetization. For each field or observation point, the 3D solution involves 24 nondimensional quantities, arising from the eight vertex positions of the magnet and the three components of the magnetic field. The only unknown in the model is the value of magnetization, with all other model quantities defined in terms of field position and magnet location. The longitudinal magnetic field component in the direction of magnetization is bounded everywhere, but discontinuous across the magnet faces parallel to the magnetization direction. The transverse magnetic fields are logarithmically unbounded on approaching a vertex of the magnet. doi:10.1017/S1446181120000097
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Wu, Yu Yin. "Design of NdFeB Permanent Magnet DC Generator." Applied Mechanics and Materials 496-500 (January 2014): 1113–16. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.1113.

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The advantages and development trend of automotive neodymium iron boron permanent magnet DC generator is summarized, analyzed the operation mode of neodymium iron Peng Yongci DC generator, and puts forward the neodymium iron boron permanent magnet DC generator has broad prospects for development. The design of the key parts of power system -- the neodymium iron boron permanent magnet DC generator, the excitation rotor and the armature winding parameters were designed to meet the needs of neodymium iron boron permanent magnet DC generator and improve the efficiency of the generator.
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Leesungbok, Richard, Su-Jin Ahn, Suk-Won Lee, Geon-Ho Park, Joo-Sung Kang, and Jung-Joo Choi. "The Effects of a Static Magnetic Field on Bone Formation Around a Sandblasted, Large-Grit, Acid-Etched–Treated Titanium Implant." Journal of Oral Implantology 39, S1 (2013): 248–55. http://dx.doi.org/10.1563/aaid-joi-d-11-00101.

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The purpose of this study was to compare the bone formation around commercial sandblasted, large-grit, acid-etched (SLA)–treated titanium implants with or without a neodymium magnet in a rabbit tibia through histomorphometric analysis. Commercial SLA-treated implants with or without neodymium magnets were placed in 10 rabbits. After incising the flat part of the rabbit's tibia and installation of the specimens of titanium implants, the nonmagnet group was stitched without magnet insertion. On the other hand, the magnet group was inserted with neodymium magnet, fixed with pattern resin, and stitched. At 3 and 6 weeks after surgery, the animals were sacrificed, and the specimens were obtained. Undecalcified specimens were prepared for histomorphometric analysis of the bone-to-implant contact ratio (BIC) and bone volume (BV). The histomorphometric findings of the cortical bone showed that the mean BVs of the magnet group (3 weeks, 75.99%; 6 weeks, 82.94%) were higher than those of the nonmagnet group (3 weeks, 74.58%; 6 weeks, 78.75%), but there were no significant differences between the 2 groups (P > .05). In the marrow bone, the mean BICs of the magnet group (3 weeks, 10.36%; 6 weeks, 10.41%) were higher than those of the nonmagnet group (3 weeks, 6.41%; 6 weeks, 7.36%). After 3 weeks of installation, there was a significant difference between the 2 groups (P < .05). In rabbit tibia, the SLA-treated titanium implants with a neodymium magnet can trigger faster early peri-implant bone formation than those without a magnet.
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Wong, Sui-To, Eleanor Wen, and Dawson Fong. "Programming jammed Codman Hakim programmable valves: study of an explanted valve and successful programming in a patient." Journal of Neurosurgery: Pediatrics 12, no. 2 (2013): 160–65. http://dx.doi.org/10.3171/2013.4.peds12461.

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Malfunction of a Codman Hakim programmable valve due to jamming of its programmable component may necessitate shunt revision. The authors report a method for programming jammed Codman Hakim programmable valves by using a Strata II magnet and additional neodymium magnets. The programming method was derived after studying a jammed valve in the laboratory that was explanted from an 10-year-old boy with a history of fourth ventricle ependymoma. Programming the explanted valve with a Codman programmer failed, but rotating a Strata II magnet above the valve resulted in rotation of the spiral cam in the valve. It was found that the Strata II magnet could be used to program the jammed valve by rotating the magnet 90° or multiples of 90° above the valve. The strength of the magnetic field of the Strata II magnet was able to be increased by putting neodymium magnets on it. The programming method was then successfully used in a patient with a jammed Codman Hakim programmable valve. After successful programming using this method, clinical and radiological follow-up of the patient was advised.
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Bodó, Kinga, Arthur Tunyagi, and Alpár Simon. "Experimental Device for the Study of Permanent Magnet Arrangements." Studia Universitatis Babeș-Bolyai Physica 68, no. 1-2 (2023): 13–24. http://dx.doi.org/10.24193/subbphys.2023.02.

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In this paper, we present a complex experimental device used for the study of the magnetic field created by neodymium magnet arrangements, with emphasis on the series and parallel connection of those magnets. The measurements performed are suitable and useful for both high-school or college/university-level students. Keywords: magnet arrangement; magnetic flux density; series, parallel and mixed connection; equivalent magnet.
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Bernad, Sandor I., and Elena Bernad. "Magnetic Forces by Permanent Magnets to Manipulate Magnetoresponsive Particles in Drug-Targeting Applications." Micromachines 13, no. 11 (2022): 1818. http://dx.doi.org/10.3390/mi13111818.

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This study presents preliminary computational and experimental findings on two alternative permanent magnet configurations helpful for magnetic drug administration in vivo. A numerical simulation and a direct experimental measurement of the magnetic induction on the magnet system’s surface were used to map the magnetic field. In addition, the ferrite-type (grade Y35) and permanent neodymium magnets (grade N52) to produce powerful magnetic forces were also examined analytically and quantitatively. Ansys-Maxwell software and Finite Element Method Magnetism (FEMM) version 4.2 were used for all numerical computations in the current investigation. For both magnets, the generated magnetic fields were comparatively studied for targeting Fe particles having a diameter of 6 μm. The following findings were drawn from the present investigation: (i) the particle deposition on the vessel wall is greatly influenced by the intensity of the magnetic field, the magnet type, the magnet size, and the magnetic characteristics of the micro-sized magnetic particles (MSMPs); (ii) ferrite-type magnets might be employed to deliver magnetoresponsive particles to a target location, even if they are less powerful than neodymium magnets; and (iii) the results from the Computational Fluid Dynamics( CFD) models agree well with the measured magnetic field induction, magnetic field strength, and their fluctuation with the distance from the magnet surface.
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Dobzhanskyi, Oleksandr, Viktor Grebenikov, Rupert Gouws, Rostyslav Gamaliia, and Eklas Hossain. "Comparative Thermal and Demagnetization Analysis of the PM Machines with Neodymium and Ferrite Magnets." Energies 15, no. 12 (2022): 4484. http://dx.doi.org/10.3390/en15124484.

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This paper provides computer analysis and experiential investigation of the permanent magnet machines with neodymium and ferrite permanent magnets to discuss the feasibility of utilizing induction machines-oriented equipment for PM machine production. For this purpose, the machines are obtained by replacing the squirrel-cage rotor of the induction motor with the flux-focusing (tangential) and surface-mounted (radial) permanent magnet rotors. Electromechanical parameters of the machines as electromagnetic torque and output power are discussed and compared. The temperatures of the neodymium and ferrite magnets are also calculated at rated current, and short circuit scenarios and the performance of two different cooling systems in minimizing the temperature effect on the machines are investigated. Furthermore, the demagnetization of permanent magnets at various load conditions is also studied. Finally, the results of the computer modeling are validated by the physical prototypes of the machines. The characteristics of the electrical machines under study were calculated using the Simcenter MagNet and Simcenter MotorSolve software packages.
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Ichimura, Yoshihiro, Hideki Takezawa, and Naotake Mohri. "Relationship between Magnetic Flux Density and Temperature Distributions of Permanent Magnets by EDM." Key Engineering Materials 523-524 (November 2012): 322–27. http://dx.doi.org/10.4028/www.scientific.net/kem.523-524.322.

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It is difficult to machine permanent magnets by traditional machining such as turning, milling and grinding, because of magnetic force. However, electrical discharge machining (EDM), which is a non-contact thermal machining method, has been used for shape machining of magnetic materials. In the EDM process, non-magnetic materials such as copper and graphite are typically used for electrodes. Magnetic materials have a Curie point; therefore, their magnetic flux density reduces when they are heated to a high temperature. Because EDM is a thermal process, it has the potential to control the magnetic flux density of a machined surface. In this study, to clarify the relationship between magnetic flux density and temperature distributions in depth direction of permanent magnest by EDM, internal temperatures of magnets were investigated using a K type thermo couple during EDM. Neodymium magnets were used as work-pieces. The magnetic flux density of a machined neodymium magnet was measured. In addition, the effects of duty factor (D.F.) were also examined. The results showed that the average temperature inside of the magnet is determined by the input energy, depending on the discharge conditions. A decrease of surface magnetic flux density after EDM is affected by the magnitude of the area and the amount of decrease is due to the increase of the internal temperature of the magnet. Therefore, it isn’t determined by the magnitude of the simple input energy.
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Dissertations / Theses on the topic "Neodymium magnet"

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DAMENTO, MICHAEL ANTHONY. "DETECTION OF MAGNETIZATION REVERSAL IN A NEODYMIUM-IRON-BORON MAGNET USING A HALL-EFFECT MICROPROBE." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183945.

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Magnetization processes in a sintered Nd-Fe-B permanent magnet (NEOMAX-35) were examined on a small scale using a Hall-effect microprobe with an active area 75 μm on a side. Probes were made by evaporating bismuth through a stencil mask onto glass slides. Experiments were performed by placing a probe onto the polished pole face of a Nd-Fe-B magnet and inserting the probe-magnet assembly into an electromagnet. Barkhausen steps, indicating rapid domain wall motion, were observed (superimposed upon the blank probe signal) in the demagnetization of a fully magnetized magnet. Magnetization traces for a thermally demagnetized Nd-Fe-B magnet did not exhibit measurable Barkhausen steps until a field of approximately 1.2 T was applied. The following observations were made for two thermally demagnetized samples which were cycled through minor hysteresis loops (maximum applied field of approximately 2 T): (1) virgin magnetization traces did not contain measurable Barkhausen steps, however all other forward and reverse magnetization traces did; (2) the initial reverse magnetization trace exhibited more and larger Barkhausen steps than subsequent traces; and (3) some Barkhausen steps were repeatable, that is, occurring at approximately the same field on each subsequent forward or reverse trace. Hall voltage signals were on the order of millivolts for probe currents of 10 mA.
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Klešč, Tania. "Neodimio magnetų eksperimentinis tyrimas." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130821_115730-10514.

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Bakalauro darbą „ Neodimio magnetų eksperimentinis tyrimas“ sudaro įvadas, keturi skyriai, išvados, priedai ir literatūros sąrašas. Šio darbo apimtis 30 puslapių. Darbe yra 26 paveikslėliai ir 1 lentelė.Įvade iškeliama darbo problema, tikslai ir uždaviniai. Pirmajame skyriuje pateikta literatūros analizė. Antrajame skyriuje aprašoma eksperimento metodika. Trečiajame skyriuje pateikti sistemų su neodimio magnetais tyrimo rezultatai. Ketvirtajame skyriuje pateikta eksperimento rezultatų analizė. Darbo pabaigoje pateiktos išvados apibendrinančios atliktą darbą ir pateikti pasiūlymai, kur būtų galima panaudoti neodimio magnetus.<br>The final bachelor‘s work “Experimental analysis of neodymium magnets” consist of introduction, four chapters, conclusions and references. The work consists of 30 pages. There are 26 images and 1 table.Problem of the research along with objectives and goals are provided in the introduction of this work. The first chapter provides analysis of literature. The second chapter is about methodology of experiment. The third chapter provides the results of systems of neodymium magnets. The fourth chapter provides analysis of the experiment results. At the end of the work there are conclusions and suggestions about neodymium magnets usage.
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Braconi, Dario. "Green two-wheeled mobility : Material Hygiene and life cycle analysis of anelectric scooter." Thesis, KTH, Maskinkonstruktion (Inst.), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-157045.

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In the last years electric vehicles gained importance as a more sustainable alternative to traditional vehicles. The introduction of an electric powertrain leads to lower air-pollution emissions but it also involves the introduction of new materials in the product life cycle, e. g., the rare earths and lithium contained in the motor and in the batteries. Those materials have an environmental impact and they need to be disposed properly. The aim of this thesis is to have a quantitative knowledge of the environmental balance linked to the use of a different powertrain. Furthermore, this study explores how this balance can be modified improving the recycling and the end of life management. Specifically in this thesis, an average electric scooter has been chosen as a case study. The electric scooter is used as object of comparison with a traditional internal-combustion-engine scooter. The choice of a two-wheeled mean of transport is linked to the low level of facilities involved. This report first includes a definition of the case of study; this section also presents a description of the technologies taken into exam. It is also presented the result of interviews with dismantlers to depict the current process of EoL management of a scooter. The central part of thesis deals with different recycling scenarios. With the help of the Material Hygiene mind-set, a qualitative analysis and different recycling scenarios are proposed. The recycling scenarios involve the component of the electric powertrain that are peculiar of the electric vehicle. They mainly are the electric motor and the lithium battery pack. The last part of the analysis encompasses a Life Cycle Assessment of an average electric scooter to give a quantitative meaning to the life cycle comparison and to assess the environmental benefits of the proposed recycling scenarios. To perform the Life Cycle Assessment a software, SimaPro 7.3, is used. This software lets the user insert the bill of materials of the product and it associates to each material its environmental loads according to the database EcoInvent v.2.2. Keywords: electric scooter, lithium battery, permanent magnet, neodymium, Material Hygiene, Design for Disassembly, Life Cycle Assessment, LCA<br>Negli ultimi anni i veicoli elettrici sono emersi come un ’alternativa sostenibile ai veicoli tradizionali. L’introduzione di un gruppo propulsore elettrico permette emissioni inquinanti più basse ma comporta anche l’introduzione di nuovi materiali nel ciclo di vita del prodotto, e.g., le terre rare e il litio contenuti rispettivamente nel motore e nelle batterie. Questi materiali hanno un impatto ambientale e hanno bisogno di essere trattati correttamente. Lo scopo di questa tesi è di avere una comprensione quantitativa del bilancio dal punto di vista ambientale legato al l’adozione di sistema di propulsione elettrico. Inoltre, è indagato come questo bilanco possa essere influenzato migliorando il ricic laggio e la gestione dell’ultima fase di vita del prodotto. Nello specifico, in questa tesi, uno scooter elettrico è stato scelto come caso di studio. Lo scopo è di comparare questo scooter con uno tradizionale considerando il ciclo di vita del prodotto. Il mezzo di trasporto a due ruote è stato scelto perché considerato più semplice da modellare in quanto privo di componenti non inerenti al trasporto (es. aria condizionata, hi-fi, etc.). Questo report anzitutto include una definizione del caso di studio, questa sezione presenta anche una descrizione delle principali tecnologie coinvolte nel prodotto studiato. In questa parte del lavoro è anche riportato il risultato di interviste a rottamatori di scooter per illustrare l’attuale iter di rottamazione di uno scooter. La parte centrale della tesi tratta i differenti scenari di riciclaggio. Sfruttando la mentalità Material Hygiene vengono proposte un’analisi qualitativa e differenti scenari di rici claggio. Gli scenari di riciclaggio coinvologono il progettista a livelli differenti. Questi scenari riguardano i componenti del sistema di propulsione elettrico. Essi sono principalmente il motore elettrico e le batterie al litio. L’ultima parte dell’analisi riguarda il Life Cycle Assessment di uno scooter elettrico al fine di dare un significato quantitativo al confronto tra i cicli di vita delle due alternative. Inoltre, il life cycle assessment ha lo scopo di verificare e quantificare i benefici di impatto ambientale collegati all’adozione degli scenari di riciclaggio proposti. Per svolgere il Life Cycle Assessment è stato usato un sofware, SimaPro 7.3. Questo software permette all’utente di inserire l’elenco dei materiali di un prodotto e di associare a ciascun materiale il proprio impatto ambientale. Il software ha a disposizione per la modellazione i database di impatto ambientale EcoInvent 2.2. Parole chiave: scooter elettrico, batteria al litio, magnete permanente, neodimio, Material Hygiene, Design for Disassembly, Life Cycle Assessment, LCA
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Jubb, Gary Anthony. "Production and properties of neodymium-iron-boron permanent magnets." Thesis, University of Bradford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236470.

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Wang, Zhiran. "The demagnetising factors for bonded neodymium iron boron (NdFeB) magnets." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340145.

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Attanasio, Steven A. 1967. "Corrosion and environmentally-assisted cracking of rapidly solidified neodymium-iron-boron permanent magnets." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39748.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.<br>Vita.<br>Includes bibliographical references (p. 383-388).<br>by Steven A. Attanasio.<br>Ph.D.
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MENDES, NETO TEOFILO. "Estudo microestrutural e propriedades magnéticas em imãs permanentes sinterizados à base de PrFeCoBNb com adições de elementos de liga." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9992.

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Meakin, Jonathan Philip. "Development of a pilot scale strip casting system to produce optimised alloys for neodymium-iron-boron magnets." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6791/.

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Strip casting is a rapid processing technique used in the production of alloys for both sintered and HDDR bonded NdFeB magnets. During strip casting, molten alloys are gravity fed onto a rotating copper wheel. The rapid cooling rate produces NdFeB microstructures which have many advantages over conventionally cast NdFeB book-mould alloys such as less alpha iron, near stoichiometric alloy compositions and a finer grain structure. The wheel texture of a pilot scale strip caster was altered in order to optimize the microstructure and improve the consistency of strip cast flakes for the production of NdFeB sintered magnets. This made it possible to reduce the flake thickness distribution and alpha iron content, improve the grain size consistency and increase lamellar alignment. In NdFeB alloys for HDDR (Hydrogenation Disproportionation Desorption and Recombination) powders, which are used in bonded magnets, a large grained material is preferable with little or no alpha iron. By implementing a combination of surface texture and reduced wheel speed, the grain width was increased from ~5 to ~40 μm, whilst maintaining a low alpha iron content. The magnetic performance has been shown to be comparable to conventional book-mould alloys that have been heat treated for 10 hours at 1140°C.
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OLIVEIRA, MARA C. L. de. "Estudo da influencia do campo magnetico na resistencia a corrosao em imas permanentes de Nd=Fe-B." reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11214.

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SILVA, BRUNO F. A. da. "Preparação de ímãs híbridos aglomerados com mistura de pós a base de TR-Fe-B e ferrite." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10532.

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Books on the topic "Neodymium magnet"

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Lyman, J. W. Recycling of neodymium iron boron magnet scrap. U.S. Dept. of the Interior, Bureau of Mines, 1993.

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Commission, United States International Trade. In the matter of certain neodymium-iron-boron magnets, magnet alloys, and articles containing same. U.S. International Trade Commission, 1997.

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United States International Trade Commission., ed. In The Matter Of Certain Neodymium-Iron-Boron Magnets, Magnet Alloys, And Articles Containing Same... Investigation No. 337-TA-372... U.S. International Trade Commission... May 1996. s.n., 1997.

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Ahmed. Effect of niobium on neodymium-iron-boron alloys and magnets. Universityof Birmingham, 1994.

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Yan, Gaolin. An investigation of sintered neodymium iron boron magnets with dysprosium additions. University of Birmingham, 2003.

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Mottram, Robin Stuart. Properties of sintered neodymium iron boron magnets produced by a powder blending process. University of Birmingham, 1998.

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Zepf, Volker. Rare Earth Elements: A New Approach to the Nexus of Supply, Demand and Use: Exemplified along the Use of Neodymium in Permanent Magnets. Springer Berlin Heidelberg, 2013.

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Croat, John J. Rapidly Solidified Neodymium-Iron-Boron Permanent Magnets. Elsevier Science & Technology, 2017.

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Rapidly Solidified Neodymium-Iron-boron Permanent Magnets. Elsevier, 2018. http://dx.doi.org/10.1016/c2016-0-04355-3.

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Croat, John J. Rapidly Solidified Neodymium-Iron-Boron Permanent Magnets. Elsevier Science & Technology, 2017.

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Book chapters on the topic "Neodymium magnet"

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Zhang, Jiakai, Feixiong Zhang, and Gisele Azimi. "Efficient Recovery of Neodymium from Neodymium–Iron–Boron Magnet." In The Minerals, Metals & Materials Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95022-8_220.

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Ładyżyńska-Kozdraś, Edyta, Anna Sibilska-Mroziewicz, and Sławomir Czubaj. "Experimental Measurement of Magnetic Field Generated by Neodymium Magnet." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65960-2_69.

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Stewart, M., M. G. Gee, and B. Roebuck. "Oxidation sizing experiments on neodymium-iron-boron magnet powders." In Concerted European Action on Magnets (CEAM). Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1135-2_46.

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Truong, Quang, Srujan Rokkam, Jonas Baltrusaitis, and Manoj Silva. "Leaching of Neodymium from Recycled NdFeB Magnet Powders Using Citric Acid." In The Minerals, Metals & Materials Series. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-22761-5_2.

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Zhang, Jiakai, Nattanai Kunanusont, Yusuke Shimoyama, and Gisele Azimi. "Extraction for Neodymium from NdFeB Magnet Using Supercritical Carbon Dioxide and Organophosphorus Ligands." In The Minerals, Metals & Materials Series. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92662-5_15.

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Binns, K. J. "The Role of Neodymium-Iron-Boron in Relation to Other Materials for Permanent Magnet Machines with Embedded Rotor Magnets." In Concerted European Action on Magnets (CEAM). Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1135-2_71.

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Azimi, Gisele, and Maziar E. Sauber. "Technoeconomic Analysis of Supercritical Fluid Extraction Process for Recycling Rare Earth Elements from Neodymium Iron Boron Magnet." In The Minerals, Metals & Materials Series. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50244-6_12.

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Gregio, Roger Prior, Yuzo Iano, Lia Toledo Moreira Mota, et al. "Energy Use in Urban Areas Using Neodymium Magnets." In Proceedings of the 6th Brazilian Technology Symposium (BTSym’20). Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75680-2_107.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of neodymium germanium antimonide." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 3. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62470-8_363.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of reduced neodymium rhenate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_664.

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Conference papers on the topic "Neodymium magnet"

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Chen, Zeyi, and Zhenkun Li. "Rheological study of a 4D printed magnetic soft material based on neodymium iron boron." In 2024 IEEE 1st International Workshop on Future Intelligent Technologies for Young Researchers (FITYR). IEEE, 2024. http://dx.doi.org/10.1109/fityr63263.2024.00021.

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Laliwala, Chris, and Ana I. Torres. "Design and Optimization of Processes for Recovering Rare Earth Elements from End-of-Life Hard Disk Drives." In Foundations of Computer-Aided Process Design. PSE Press, 2024. http://dx.doi.org/10.69997/sct.123161.

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As the United States continues efforts to decarbonize the power and transportation sectors, significant challenges associated with the reliance of clean energy technologies on rare earth elements (REEs) will have to be overcome. One potential approach for increasing the supply of these elements is to extract REEs from end-of-life (EOL) hard disk drives (HDDs). HDDs contain neodymium and praseodymium, which are among the most important REEs for the clean energy transition, as they are crucial to producing the permanent magnets needed for wind turbines and electric vehicles. Here, we propose a superstructure-based approach to find the optimal pathway for recovering REEs from EOL HDDs. The superstructure was optimized by maximizing the net present value (NPV) over 15 years. Projected prices for commercial rare earth oxides and the projected amount of EOL HDDs in the U.S. were estimated and used in the model. These projections were used to establish the base case optimal result, assuming that the plant recycles 60% of personal computers EOL HDDs in the U.S. each year. The model was then expanded to consider the recycling of EOL HDDs generated before the beginning of plant production. Next, a sensitivity analysis was conducted to evaluate the impact of different parameters on the venture's profitability and the optimal processing pathway. Combined, these results offer both valuable insights into the economic viability of REE recycling extraction and a method for performing similar analyses in the future.
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Ozdemir, Mehmet Semih, Cemil Ocak, and Adem Dalcali. "Permanent Magnet Wind Generators: Neodymium vs. Ferrite Magnets." In 2021 3rd International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA). IEEE, 2021. http://dx.doi.org/10.1109/hora52670.2021.9461291.

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Fujiwara, Ryogen, Wataru Hijikata, and Tadahiko Shinshi. "Micrometer scale magnetization of neodymium magnet for integrated magnetic MEMS." In 2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2016. http://dx.doi.org/10.1109/memsys.2016.7421708.

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Ahmad, Fahrudin, Arinaldi Hakiki, and Agus Margiantono. "Performance Optimization Axial Flux Permanent Magnet Generator Using N52 Neodymium Magnet." In 2023 International Conference on Technology, Engineering, and Computing Applications (ICTECA). IEEE, 2023. http://dx.doi.org/10.1109/icteca60133.2023.10490976.

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McConaha, Jeremy, Sarita, Prasad Chris Leach, Mikhail Fuks, and Edl Schamiloglu. "Compact A6 magnetron with a neodymium permanent magnet." In 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE, 2015. http://dx.doi.org/10.1109/plasma.2015.7179821.

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Wimbert, Lars, René Lindenau, Bettina Neumann, and Edwin Schnaider. "Optimizing The Production Process Of Ndfeb Magnets." In Euro Powder Metallurgy 2024 Congress & Exhibition. EPMA, 2024. http://dx.doi.org/10.59499/ep246277035.

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Permanent magnets and especially NdFeB (Neodymium Iron Boron) magnets are one of the most critical components in the global manufacture of modern electric motors. The production process of NdFeB magnets contains a large number of different procedures, all of which can have an influence on the properties of the end product. Although at first glance, relatively similar to the classic PM process, the manufacturing route involves some special challenges that will be examined in more detail in this paper. Starting with the optimization of the hydrogen decrepitation of the base material, this contribution will additionally describe the effect of different milling parameters on microstructure and magnetic properties, the procedure of dimensionally precise compaction and sintering of magnet preforms and the magnetic testing of finished magnets.
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Barón, Luis, Robert Urbina, Manuel Pèrez, Carlos Páez, and Arturo Fajardo. "A low-complexity experimental characterization of the neodymium magnet grade." In 2023 IEEE 14th Latin America Symposium on Circuits and Systems (LASCAS). IEEE, 2023. http://dx.doi.org/10.1109/lascas56464.2023.10108103.

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Lysakov, Alexander, and Yaroslav Tarasov. "Effect of magnetic field of neodymium (NdFeB) magnet on storage quality of potatoes." In 18th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, 2019. http://dx.doi.org/10.22616/erdev2019.18.n307.

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Poskovic, Emir, Marta Ceroni, Fausto Franchini, et al. "The Implementation Of A Novel Approach To The Rare Earth Magnets Recycling." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235765549.

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Rare Earth magnets have been used in different industrial sectors: household utilities, automotive applications, informatics sensors, etc. Rare Earth magnets show the best magnetic performance, predominantly in the case of Neodymium magnets. However, the economic aspect concerning the raw magnetic materials affects many of the magnet devices, mainly considering the instability of the raw material market. For these reasons, recycling NdFeB magnets is considered a promising solution. Different techniques are available, but they are generally expensive or very dangerous. This work proposes a new approach to recycling the NdFeB sintered magnets using a particular mechanical technique without using Hydrogen, resulting in a safer, less complicated and cheaper process than chemical methods. Based on an impact mill, the process has been performed to grind the magnets recovered from the hard disks. The operation was conducted in a vacuum. Finally, some bonded magnets with recycled powder have been prepared and characterized.
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