Articles with "magnet" as a keyword



Fabrication and Characterization of Fe16N2 Micro‐Flake Powders and Their Extrusion‐Based 3D Printing into Permanent Magnet Form

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Published in 2020 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202000311

Abstract: Fe16N2 is a compound with giant saturation magnetization approaching or exceeding that of rare‐earth‐based permanent magnets. The abundance of its elements and low‐cost synthesis of this compound has made it highly attractive to replace rare‐earth‐based… read more here.

Keywords: magnet; permanent magnet; fe16n2; extrusion based ... See more keywords

Aligned Permanent Magnet Made in Seconds–An In Situ Diffraction Study

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Published in 2024 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202400077

Abstract: The synthesis of a strontium hexaferrite magnet is studied using in situ synchrotron powder X‐ray diffraction (PXRD) with a 16‐ms time resolution. The precursor material is cold compacted shape‐controlled goethite and strontium carbonate. The time… read more here.

Keywords: permanent magnet; strontium hexaferrite; diffraction; magnet ... See more keywords

Stability study of Bi‐2212 conductor based on perturbation spectrum for hybrid superconducting magnet

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Published in 2017 at "International Journal of Energy Research"

DOI: 10.1002/er.3710

Abstract: Summary A hybrid superconducting central solenoid employs Bi-2212 high-temperature superconductors and Nb3Sn low-temperature superconductors under the design of the Institute of Plasma Physics, Chinese Academy Of Science for further upgrade to CFETR, namely, the China… read more here.

Keywords: hybrid superconducting; magnet; conductor; stability study ... See more keywords

Superconducting magnet designs and MRI accessibility: a review.

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Published in 2022 at "NMR in biomedicine"

DOI: 10.1002/nbm.4921

Abstract: Presently, magnetic resonance imaging (MRI) magnets must deliver excellent magnetic field (B0 ) uniformity to achieve optimum image quality. Long magnets can satisfy the homogeneity requirements but require considerable superconducting material. These designs result in… read more here.

Keywords: magnet; superconducting magnet; accessibility; magnet designs ... See more keywords
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Effect of permanent magnet material on the electromagnetic performance of switched-flux permanent magnet machine

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Published in 2021 at "Electrical Engineering"

DOI: 10.1007/s00202-020-01155-8

Abstract: The influence of permanent magnet materials on the electromagnetic performance of switched-flux permanent magnet (PM) machine having C-core stator assembly is investigated and compared. Both two-dimensional (2D) finite element analysis (FEA) and 3D-FEA are used… read more here.

Keywords: permanent magnet; machine; switched flux; magnet ... See more keywords

Simulation of the effect of segmented axial direction magnets on the efficiency of in-wheel permanent magnet brushless DC motors used in light electric vehicles based on finite element method

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Published in 2021 at "Electrical Engineering"

DOI: 10.1007/s00202-021-01301-w

Abstract: Energy efficiency is primary target for electric motor designers. The Eddy current losses can cause deterioration of permanent magnet machines magnetic properties and increase rotor temperature. Therefore the rotor eddy current loses can decrease efficiency… read more here.

Keywords: magnet brushless; magnet; axial direction; permanent magnet ... See more keywords
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Electromagnetic interaction between a permanent magnet and a sphere moving in liquid metal

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Published in 2021 at "Experiments in Fluids"

DOI: 10.1007/s00348-021-03209-4

Abstract: We present a series of model experiments where an electrically non-conductive solid sphere moves inside a vertical column of liquid alloy GaInSn. The experimental setup consists of the liquid metal container, the sphere driving system… read more here.

Keywords: liquid metal; force sensor; permanent magnet; force ... See more keywords

An application of hp-version finite element methods to quench simulation in axisymmetric MRI magnets

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Published in 2025 at "Engineering with Computers"

DOI: 10.1007/s00366-025-02126-y

Abstract: Magnetic Resonance Imaging (MRI) scanners employ superconducting magnets to produce a strong uniform magnetic field over the bore of the scanner as part of the imaging process. Superconductors are preferred, as they can generate the… read more here.

Keywords: version finite; finite element; axisymmetric mri; magnet ... See more keywords

Incidence of magnet mode in patients with implantable cardioverter defibrillators

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Published in 2019 at "Journal of Interventional Cardiac Electrophysiology"

DOI: 10.1007/s10840-019-00637-5

Abstract: To determine the current incidence of antitachycardia therapy suspension due to magnet reversion in patients with implantable cardioverter defibrillators (ICDs). From March 2012 to September 2018, all St. Jude Medical ICD interrogations performed at the… read more here.

Keywords: magnet reversion; antitachycardia therapy; suspension; magnet ... See more keywords

Magnetic Confinement of a Bubble of Supercooled 3He-A

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Published in 2025 at "Journal of Low Temperature Physics"

DOI: 10.1007/s10909-025-03328-w

Abstract: We have designed and constructed a magnet surrounding a cylindrical volume of superfluid helium-3 to isolate a region of metastable, supercooled A phase, entirely surrounded by bulk A phase - isolating the ‘bubble’ from rough… read more here.

Keywords: bubble supercooled; magnet; magnetic confinement; supercooled 3he ... See more keywords
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Design of 5.5 T High Homogeneity Calibration Superconducting Magnet System Based on Conduction Cooling

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Published in 2021 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-020-05789-4

Abstract: A 5.5 T superconducting magnet system with conduction cooling used for calibration has been designed by using NbTi/Cu wire. It provides a high homogeneity field of sixth-orders. The magnet system has a warm bore of 35 mm… read more here.

Keywords: system; homogeneity; magnet system; magnet ... See more keywords