Results 11 to 20 of about 3,248,561 (300)

Preparation technology and application of low loss magnetic powder cores [PDF]

open access: yesFenmo yejin jishu
Ferrosilicon, ferrosilicon aluminum, and ferro-nickel magnetic powder cores were selected, and the effects of composition, particle size, and melting vacuum on the loss of magnetic cores were studied in this paper.
WANG Yifu   +3 more
doaj   +2 more sources

Influence of heat treatment on performance of Fe−6.5%Si magnetic powder core [PDF]

open access: yesFenmo yejin jishu
Fe−6.5%Si (mass fraction) powders were subjected to the heat treatment experiments at the different temperatures combined with the heat treatment of the magnetic powder cores.
QIU Yue   +5 more
doaj   +2 more sources

Magnetic and electric properties of bismuth ferrite lead titanate ceramics [PDF]

open access: yes, 2010
Solid solutions of multiferroic BiFeO3 doped with ferroelectric PbTiO3 (BFPT) can be prepared by conventional mixed oxide processing to produce a range of polycrystalline ceramics ranging throughout the xBiFeO3 - (1-x)PbTiO3 series. Sintered ceramics are
Stevenson, Timothy James
core   +3 more sources

Properties Optimization of Soft Magnetic Composites Based on the Amorphous Powders with Double Layer Inorganic Coating by Phosphating and Sodium Silicate Treatment

open access: yesMetals, 2023
Core-shell structured amorphous FeSiBCr@phosphate/silica powders were prepared by phosphating and sodium silicate treatment. The soft magnetic composites (SMCs) were fabricated based on these powders.
Pan Luo   +7 more
doaj   +1 more source

Luminescent and Magnetic Properties of Fe3O4@SiO2:phen:Eu3+ [PDF]

open access: yesMaterials Research, 2017
Magnetite was doped with rare earth ions (europium) to produce core-shell materials with both magnetic and luminescent properties, i.e., a magnetic Fe3O4 oxide core and a SiO2:phen:Eu3+ shell.
Raphael Lucas de Sousa Silva   +3 more
doaj   +1 more source

Remote control of diffusion from magnetic hollow silica microspheres [PDF]

open access: yes, 2013
Composite hollow core silica/iron oxide microparticles with the ability to store an encapsulated payload and release a defined quantity “on demand” by the application of a radiofrequency magnetic field were prepared.
Kovačík, Pavel   +2 more
core   +1 more source

Optimum Air Gap Selection in Powder Core Inductors [PDF]

open access: yes, 2023
The requirements of magnetics for power electronics are high power density and low power losses, driven by the need for more compact and more efficient power converters.
Mandrile, Fabio   +4 more
core   +1 more source

Eddy current loss evaluation of magnetic powder core based on electric and magnetic networks

open access: yesAIP Advances, 2017
This paper presents a method for calculating eddy current loss in the magnetic powder core based on electric and magnetic networks. First, an electric and magnetic model of single particle of magnetic powder core to calculate intra-particle eddy current ...
Shigeru Konda   +2 more
doaj   +1 more source

Enhanced Soft Magnetic Properties of Iron-Based Powder Cores with Co-Existence of Fe3O4–MnZnFe2O4 Nanoparticles

open access: yesMetals, 2018
An iron-based soft magnetic composite with Fe3O4-MnZnFe2O4 insulation coating has been prepared by powder metallurgy method. This work investigated the microstructure and magnetic properties of Fe/Fe3O4-MnZnFe2O4 powder cores.
Yuye Xie, Pengfei Yan, Biao Yan
doaj   +1 more source

Hydrolytic synthesis of titanium oxide insulation layer and its effect on powder core

open access: yesCailiao gongcheng, 2023
Optimizing insulation technique plays a vital role in developing high performance magnetic powder core. Uniform dense titanium dioxide insulation layer was successfully coated on atomized Fe-Si-Al powder through hydrolysis of tetrabutyl titanate and the ...
LIU Wei   +5 more
doaj   +1 more source

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