Low-temperature-factor anti-stress nickel zinc ferrite and preparation method thereof
A nickel-zinc ferrite, temperature factor technology, applied in the field of soft ferrite, can solve problems such as unstable system operation
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[0046] The present invention will be described below based on specific examples, but the present invention is not limited to these examples.
[0047] The stress-resistant nickel-zinc ferrite of the present invention is manufactured by a traditional oxide method, and the specific steps are as follows:
[0048] (1) Mixing and pelletizing: mix and pelletize according to the ratio of the main components listed in Table 1 (Example and Comparative Example), and then mix and pelletize. The mixing and pelletizing time is 30 to 45 minutes;
[0049] (2) Pre-burning: The mixed materials are pre-fired in a rotary kiln, the pre-fired temperature is controlled at 850±20°C, and the pre-fired amount is controlled at (90±10)kg / h;
[0050] (3) Coarse pulverization: Coarsely pulverize the above-mentioned pre-burned powder with a bucket vibrating mill for 40 to 60 minutes;
[0051] (4) Dispersion and emulsification: After adding the auxiliary components of the amount listed in Table 1 (Example a...
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