Results 31 to 40 of about 11,255,110 (351)

Experimental characterization of the iron losses variability in stators of electrical machines [PDF]

open access: yes, 2012
Version éditeur disponible à l'adresse suivante : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6172417Manufacturing processes may introduce a significant variability on the magnetic properties of claw pole generator stators.
RAMAROTAFIKA, Rindra   +3 more
core   +1 more source

Fabrication and Properties of Iron-based Soft Magnetic Composites Coated with NiZnFe2O4

open access: yesCailiao gongcheng, 2017
This paper focuses on iron-based soft magnetic composites which were synthesized by utilizing the sol-gel method prepared Ni-Zn ferrite particles as insulating compound to coat iron powder, and the influence of NiZnFe2O4 content and molding pressure on ...
WU Shen   +4 more
doaj   +1 more source

Pea-like Fe/Fe3C Nanoparticles Embedded in Nitrogen-Doped Carbon Nanotubes with Tunable Dielectric/Magnetic Loss and Efficient Electromagnetic Absorption.

open access: yesACS Applied Materials and Interfaces, 2019
One-dimensional microstructure has been regarded as one of the most desirable configurations for magnetic carbon-based microwave absorbing materials (MAMs). Herein, pea-like Fe/Fe3C nanoparticles embedded in nitrogen-doped carbon nanotubes (Fe/Fe3C@NCNTs)
Zhangjie Xu   +7 more
semanticscholar   +1 more source

Non Linear Proper Generalized Decomposition method applied to the magnetic simulation of a SMC microstructure [PDF]

open access: yes, 2012
Improvement of the magnetic performances of Soft Magnetic Composites (SMC) materials requires to link the microstructures to the macroscopic magnetic behavior law.
CLENET, Stephane   +2 more
core   +1 more source

Multiple synergistic effects of structural coupling and dielectric-magnetic loss in promoting microwave absorption of bark-derived absorbers

open access: yesAdvanced Composites and Hybrid Materials
The explode development of global automation and digitization brings increasing electromagnetic radiation, threatening information security and health.
Dongyi Lei   +8 more
semanticscholar   +1 more source

Dielectric response of ANb2O6 (A = Zn, Co, Mn, Ni) columbite niobates: From microwave to terahertz

open access: yesJournal of Advanced Ceramics
In the upcoming 6-generation (6G) revolution, the achievement of low power consumption has become a key objective in research concerning terahertz devices.
Weijia Luo   +7 more
doaj   +1 more source

Effect of Magnetic Properties of Magnetic Composite Tapes on Motor Losses

open access: yesEnergies, 2022
Alternating current (AC) copper losses in motors increase with carrier frequency of the pulse width modulation (PWM) and are further increased by leakage flux of the permanent magnet. Therefore, AC copper losses increase with motor speed.
Ryo Yoshida   +9 more
doaj   +1 more source

Time domain analysis of excess loss in electrical steel [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2019
The aim of this paper is to present a comprehensive approach to analyse and interpret power loss in ferromagnetic materials with particular attention devoted to excess power loss.
Koprivica Branko   +2 more
doaj   +1 more source

Broadband and Tunable Microwave Absorption Properties from Large Magnetic Loss in Ni–Zn Ferrite

open access: yesAdvanced Materials & Technologies
Highly effective electromagnetic (EM) wave absorber materials with strong reflection loss (RL) and a wide absorption bandwidth (EBW) in gigahertz (GHz) frequencies are crucial for advanced wireless applications and portable electronics.
Subrata Ghosh   +11 more
semanticscholar   +1 more source

Magnetic MoS2: a promising microwave absorption material with both dielectric loss and magnetic loss properties

open access: yesNanotechnology, 2019
In order to obtain magnetic MoS2 and investigate the influence of magnetic moment on the microwave absorption properties of MoS2, transition metal element Ni-doped MoS2 (0–30 at%) was obtained by a hydrothermal synthesis.
Jing Wang   +6 more
semanticscholar   +1 more source

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