High DC stacked MnZn high magnetic conductivity ferrite and method for preparing the same
A technology with high DC superposition and high magnetic permeability, which is applied in the direction of inorganic material magnetism, can solve the problems that cannot meet the high inductance DC superposition performance, and achieve the effect of improving DC superposition performance, reducing Br value, and high inductance
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[0036] (1) Ingredients: the main component is Fe in molar weight percentage 2 o 3 : 52% to 53%; MnO: 27% to 29%; ZnO: 19% to 20% for weighing, and after weighing, add deionized water to the mixer for mixing and crushing to prepare a slurry. The particle size of the material is controlled at 0.6-1.5 μm; (2) spray granulation: the mixed slurry is sprayed and granulated, and the water in the slurry is removed to prepare a granular material; (3) pre-calcination: the above-mentioned mixed Good granules are calcined, the calcining temperature is 750°C-980°C, and the calcining time is 1-9 hours; (4) Pulverization: add two or more of the following auxiliary components by weight percentage to the above calcined material Two or more: CaCO 3 : 0.005~0.05wt%, NiO: 0.01~0.2wt%, V 2 o 5 : 0.005~0.05wt%, Nb 2 o 5 : 0.005~0.05wt%, Ta 2 o 5 : 0.005~0.05wt%, TiO 2 : 0.01~0.2wt%, Co 2 o 3 : 0.05~0.4wt%, then put the powder into a pulverizer after adding deionized water to pulverize, a...
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