Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kwiyoung Lee"'
Autor:
Taehyeob Im, Kwiyoung Lee, Jonghyeok Ahn, Minjong Kim, Dongsup Lee, Jai-Sung Lee, Jongryoul Kim, Caroline Sunyong Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2624-2637 (2024)
Fe-4.5Si-based soft magnetic composite (SMC) cores suitable for high-frequency applications were studied using ball milling and furnace sintering. Through ball milling, Fe-4.5Si powder was coated with Mg(OH)2 nanoparticles to form a uniform insulatio
Externí odkaz:
https://doaj.org/article/c2afc372bcb144eda6287cf317403500
Publikováno v:
AIP Advances, Vol 11, Iss 5, Pp 055310-055310-5 (2021)
The doping element and morphology are important factors for improving the magnetic properties of M-type hexaferrite powder. As the demand for electromagnetic absorber and magnetic sensors increases in the market, it is required to develop hexaferrite
Externí odkaz:
https://doaj.org/article/7db38f6aa683414e957d5c001ec6096c
Publikováno v:
AIP Advances, Vol 9, Iss 12, Pp 125340-125340-4 (2019)
Electro-magnetic devices, such as motors and inductors, have been continuously required to increase their operation frequency for high efficiency. To satisfy this requirement, Fe-Si powder cores with high electrical resistance have been attracted muc
Externí odkaz:
https://doaj.org/article/e9abf84874934d86bebfb98e0d35cab5
Publikováno v:
IEEE Transactions on Magnetics. 58:1-5
Publikováno v:
IEEE Transactions on Magnetics. 58:1-4
The soft magnetic properties of Fe-based nano-crystalline alloys depend on the size, shape and crystallization ratio of nanocrystals formed during annealing. To increase saturation magnetization, soft magnetic properties should be reduced by increasi
Publikováno v:
Journal of Magnetism and Magnetic Materials. 480:33-39
Currently, metallic soft magnetic composites, due to their high saturation magnetization, have attracted much attention for application in high frequency mobile devices. These composites must approach a full densification to achieve the high permeabi
Publikováno v:
IEEE Transactions on Magnetics. 55:1-4
Rapid solidification process (RSP) has been widely used to fabricate Fe-based nanocrystalline alloys. To obtain amorphous structure after RSP, the number of Fe elements in the nanocrystalline alloys is limited by the amount of amorphous forming eleme
Publikováno v:
IEEE Transactions on Magnetics. 54:1-4
The magnetic properties of ferrite powders are known to be strongly dependent on their morphologies, such as size and shape. Thus, it is critical to synthesize homogeneous single-crystalline ferrite powders in order to improve the magnetic properties
Publikováno v:
IEEE Transactions on Magnetics. 53:1-4
The frequency for wireless power chargers is in the range of 100–205 kHz when using MnZn ferrite and NiZn ferrite. Compared to ferromagnetic metals, these ferrites have higher resistivity, which reduces the eddy loss at high frequencies, though the
Publikováno v:
AIP Advances, Vol 11, Iss 5, Pp 055310-055310-5 (2021)
The doping element and morphology are important factors for improving the magnetic properties of M-type hexaferrite powder. As the demand for electromagnetic absorber and magnetic sensors increases in the market, it is required to develop hexaferrite