Iron-silicon-aluminum-nickel soft magnetic powder core with effective magnetic permeability of 125 for boost inductor and preparation method thereof
An iron-silicon-aluminum-nickel and magnetic permeability technology, applied in the field of iron-silicon-aluminum-nickel soft magnetic powder core and its preparation, can solve the problems of low DC superposition performance and high loss level of iron-silicon powder core, achieve easy operation and control, improve performance, the effect of avoiding environmental hazards
Inactive Publication Date: 2020-02-28
SINOSTEEL NANJING NEW MATERIALS RES INST CO LTD
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Abstract
The invention belongs to the technical field of soft magnetic materials, and especially relates to an iron-silicon-aluminum-nickel soft magnetic powder core with effective magnetic permeability of 125for a boost inductor and a preparation method thereof. The iron-silicon-aluminum-nickel soft magnetic powder core with the effective magnetic permeability of 125 for the boost inductor is prepared byadopting iron-silicon-aluminum-nickel magnetic powders with the particle size smaller than 200 meshes, and carrying out insulation coating treatment on iron-silicon-aluminum-nickel powder particles through SiO2 powders. The preparation process is simple and easy to operate; the prepared iron-silicon-aluminum-nickel soft magnetic powder core has excellent direct-current bias performance and frequency stability; the direct-current bias performance of the powder core under the condition of 100Oe is higher than 34%; and the volume loss Pcv under the conditions of 50kHz and 100mT is lower than 340mW/cm<3>.
Application Domain
Inorganic material magnetismInductances/transformers/magnets manufacture
Technology Topic
InductorMagnetic powder +5
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PUM
Property | Measurement | Unit |
Granularity | <= 200.0 | mesh |
Inductance | 132.64 | µh |
Inductance | 135.24 | µh |
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