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The amorphous Fe78Si9B13 magnetic powder cores with better soft magnetic properties were prepared .Influence of annealing and particle size on magnetic properties of powder core was investigated. .It was found that too high or too low annealing temperature is bad to magnetic properties and the best temperature is 350℃. With decreasing particle size, the permeability decreases and total loss increases.

KEYWORDS

amorphous; powder core; magnetic property

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Autor: Min Yu, Fa-zeng Lian, Jian Tang

Fuente: http://www.scirp.org/



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