Abstract
Two composites of Ba0.5Sr0.5Fe12O19 grains dispersed in a 3 mol% yttria‐doped zirconia (3Y‐TZP) matrix are prepared by two methods. The mechanical and electromagnetic properties of the both composites are investigated. The maximum values of the bending strength and the fracture toughness are 786 MPa and 8.6 MPa m1/2, respectively. The maximum value of the magnetization is 17.2 emu/g. In addition, the distribution of the Ba0.5Sr0.5Fe12O19 phase is described using the box dimension of the fractal theory. The impedance spectra of the both composites are fitted using the equivalent circuit model with a constant phase element (CPE). The obtained p value of the CPE can indirectly reflect the morphology of the Ba0.5Sr0.5Fe12O19 phase in both composites according to the universal relaxation law.
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