Results 1 to 10 of about 37,381 (164)

Improving Powder Magnetic Core Properties via Application of Thin, Insulating Silica-Nanosheet Layers on Iron Powder Particles. [PDF]

Nanomaterials (Basel), 2016
A thin, insulating layer with high electrical resistivity is vital to achieving high performance of powder magnetic cores. Using layer-by-layer deposition of silica nanosheets or colloidal silica over insulating layers composed of strontium phosphate and
Ishizaki T, Nakano H, Tajima S, Takahashi N.   +3 more
europepmc   +2 more sources

Designing Advanced Soft Magnetic Powder Cores with Ultralow Energy Loss by Combining Ultrasonic and Static Compaction. [PDF]

Adv Sci (Weinh)
Power inductors are critical in electronics and automotive systems, with integrated inductors gaining attention for miniaturization and high power efficiency. Iron‐based amorphous/nanocrystalline soft magnetic powders offer high permeability and low core
Huang X, Zhu D, Jin X, Chen Y, Gao M, Zhang X, Nie M, Yao B, Xu W, Song L, Huo J, Wang W, Zhao X, Xiang M, Wang JQ, Zhang Y.   +15 more
europepmc   +2 more sources

Enhanced electromagnetic wave absorption performance by introducing exchange bias in a CIP@γ-FeOOH heterostructure. [PDF]

iScience
Summary: High-performance electromagnetic wave (EMW) absorbing materials are urgently needed to mitigate electromagnetic (EM) pollution. Carbonyl iron powder (CIP), a conventional magnetic loss absorber, often shows limited absorption bandwidth at low ...
Li Y, Li L, Zhang H, Bai J, Gao L, Ma Z, Cao Q, Jiang M.   +7 more
europepmc   +2 more sources

Magnetic properties of a high-density iron dust core without binders

Energy Reports, 2023
Iron dust cores produced from insulated iron particles via the powder metallurgy pressure-forming process are suitable for small motor cores, reactor cores, and inductors because of their high shape flexibility.
Kyyoul Yun, Yuuta Arai, Takayuki Yoshida
doaj   +1 more source

Effect of SiO₂/Organosilicone Double Insulation Coating Processes on the Properties of Ferrosilicon Magnetic Cores

Magnetochemistry, 2023
A nano-SiO2 inorganic insulation layer was coated on the surface of FeSi magnetic powder via in situ fluidised vapour deposition. The surface was then coated with organosilicon resin to form an inorganic/organic double-insulating layer.
Shaochuan Lin, Zihan Zhou, Jinghan Jin, Xueyan Hu, Shaogang Li, Nachaun Ju   +5 more
doaj   +1 more source

Effects of hydrophilic and hydrophobic SiO2 composite organic resin coating on properties of FeSiCr magnetic powder cores

Cailiao gongcheng, 2022
The effects of hydrophilic and hydrophobic SiO2 composite organic resin on the properties of FeSiCr magnetic powder cores and the effects of annealing treatment on magnetic properties were studied.
LAI Xiaoxiang, YU Hongya, FENG Yue, ZHONG Xichun, LIU Zhongwu   +4 more
doaj   +1 more source

Optimizing Annealing Temperature Control for Enhanced Magnetic Properties in Fe-Si-B Amorphous Flake Powder Cores

Metals, 2023
In this study, we examined the optimal pre- and post-annealing conditions for soft magnetic composites (SMCs) using amorphous flake powders produced through ball milling of amorphous Fe-Si-B ribbons, leading to enhanced magnetic properties.
Hea-Ran Kim, Dongsup Lee, Sangsun Yang, Young-Tae Kwon, Jongryoul Kim, Yunseok Kim, Jae-Won Jeong   +6 more
doaj   +1 more source

Bi2O3 in-situ oxidizing effect upon the core-shell structure design for the Fe-Si directional alloyed soft magnetic material (DASMM)

Materials & Design, 2022
High performance soft magnetic composites (SMCs) materials require the particles surface coating shell have a high electric resistivity and strong adhesion to the substrate ferromagnetic core. However, it’s very challenging to meet those property demands
P.W. Huang, J. Liu, H.L. Fang
doaj   +1 more source

A new pulse measurement method for magnetisation characteristics of small loss angle core

IET Power Electronics, 2021
It is difficult to measure the magnetisation characteristics of magnetic powder cores with small loss angle and high saturation flux density. Here, a new pulse measurement method is proposed, in which the capacitance with preset bias voltage applies ...
Wang Jinghui, Su Dayi, Chen Wei
doaj   +1 more source

Fe-6.5 wt%Si Powder Cores with Low Core Loss by Optimizing Particle Size Distribution

Metals, 2020
The effect of different particle size distribution of Fe-6.5 wt%Si powder on the microstructure and soft magnetic properties of the corresponding soft magnetic powder cores (SMPCs) was investigated.
JianJun Huang, Lixin Jiao, Yu Yang, Yaqiang Dong, Yiqun Zhang, Liang Chang, Mengji Gong, Jiawei Li, Aina He, Xinmin Wang   +9 more
doaj   +1 more source