NIMTE OpenIR  > 2018专题
Controllable SiO2 coating layer of FeSiBPNb amorphous powder cores with excellent soft magnetic properties
Huang, Ke-yu; Dong, Ya-qiang; Liu, Min; Ren, Ji-hang; Lu, Shu-han; Zhao, Zhan-kui; Chang, Chun-tao; Wang, Xin-min
2018
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
Volume25Issue:6Pages:624-629
AbstractAmorphous powder cores based on spherical (Fe0.76Si0.09B0.1P0.05)(99)Nb-1 amorphous powder and their SiO2 layer prepared by in situ coating insulation process were investigated in detail. These cores were characterized by scanning electron microscopy and X-ray diffraction analyses, and the results revealed that the surface layer of the amorphous powder was composed of SiO2 with uniform surface coverage. The thickness of the SiO2 insulating layer could be controlled by adjusting the tetraethyl orthosilicate (TEOS) content. By cold-pressing with epoxy resin under a pressure of 1800 MPa, a ring powder core with an outer diameter of 20.3 mm, inner diameter of 12.7 mm, and height of 5.3 mm was prepared. The FeSiBPNb composite core showed its best properties when the TEOS content was 2 mL/g (the volume of TEOS for each gram of (Fe0.76Si0.09B0.1P0.05)(99)Nb-1 amorphous powder, mL/g), which showed good relative permeability in the high-frequency range of up to 10 MHz and a low core loss of 320 W/kg under the maximum magnetic flux density of 0.1 T and frequency of 100 kHz.
KeywordAlloy Powder Eddy-current Fe Composites Magnetostriction Fabrication Size
Subject AreaEngineering ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17426
Collection2018专题
Recommended Citation
GB/T 7714
Huang, Ke-yu,Dong, Ya-qiang,Liu, Min,et al. Controllable SiO2 coating layer of FeSiBPNb amorphous powder cores with excellent soft magnetic properties[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2018,25(6):624-629.
APA Huang, Ke-yu.,Dong, Ya-qiang.,Liu, Min.,Ren, Ji-hang.,Lu, Shu-han.,...&Wang, Xin-min.(2018).Controllable SiO2 coating layer of FeSiBPNb amorphous powder cores with excellent soft magnetic properties.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,25(6),624-629.
MLA Huang, Ke-yu,et al."Controllable SiO2 coating layer of FeSiBPNb amorphous powder cores with excellent soft magnetic properties".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 25.6(2018):624-629.
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