Abstract
To analyze the influence of the component size ratio(matrix/inclusion) on the densification and magnetic property, the equivalent model of SMCs at particle scale was used for static case. The relation of porosity, density against the component size ratio δ is deduced. To calculate the effective permeability of the model, the equivalent magnetic circuit method and magnetic energy method are proposed and compared. The results show that the densification and effective permeability are dependent on the component size ratio. The effect of porosity is even more pronounced for the effective permeability. In addition, the results of this model are consistent with the experimental results.
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