Stress-resistant nickel zinc ferrite with initial permeability of 120, and preparation method of stress-resistant nickel zinc ferrite
A nickel-zinc ferrite, anti-stress technology, applied in the field of stress-resistant nickel-zinc ferrite and its preparation, can solve the problem of nickel-zinc ferrite core inductance drop and other problems
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[0033] The present invention will be described below based on specific examples, but the present invention is not limited to these examples.
[0034]The stress-resistant nickel-zinc ferrite of the present invention is manufactured by a traditional oxide method, and the specific steps are as follows:
[0035] (1) Mixing: perform dry mixing according to the ratio of the main components described in Table 1 (Example and Comparative Example), and the mixing time is 60 to 90 minutes;
[0036] (2) Pre-burning: pre-fire the mixed materials in a pusher kiln, the pre-fire temperature is controlled at 900±20°C, and the pre-fire time is 240~300 minutes;
[0037] (3) Grinding: Add auxiliary components to the main component calcined material obtained in the previous step of calcining according to Table 1 (Example and Comparative Example) and then perform wet grinding. The grinding time is 60 to 100 minutes. After grinding, the slurry particles The diameter is controlled at 1.6~2.0μm;
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