High-frequency and high-Curie-temperature magnetic core material and preparation method thereof
A magnetic core material and high-frequency technology, applied in the field of oxidized magnetic materials, can solve the problems of reduced core life and large limitations, and achieve the effect of increasing the Curie temperature, increasing the Curie temperature, and increasing the frequency range
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Embodiment 1
[0024] A method for preparing a high frequency, high Curie temperature magnetic core: according to the above weight parts, 66.9 parts of ferric oxide, 11.8 parts of zinc oxide, 7.6 parts of copper oxide, 6.7 parts of magnesium oxide, 6.5 parts of nickel oxide and 0.5 parts of cobalt, mixed and ball milled to obtain a mixed powder, added to a planetary ball mill, and ground, the obtained powder was initially fired to remove impurities in the powder, finely ground by a grinder, and the particle size was not greater than 0.01mm, and then sprayed. Granules, and pressed into shape, the specific steps are:
[0025] S1: Weigh the powder: take 66.9 parts of ferric oxide, 11.8 parts of zinc oxide, 7.6 parts of copper oxide, 6.7 parts of magnesium oxide, 6.5 parts of nickel oxide and 0.5 part of dicobalt oxide according to the above weight parts, mix and ball mill, The mixed powder is obtained, and the purity of ferric oxide is not lower than 99.3%, the purity of zinc oxide is not lower...
Embodiment 2
[0035] A method for preparing a high frequency, high Curie temperature magnetic core: according to the above weight parts, 66 parts of ferric oxide, 11.5 parts of zinc oxide, 7 parts of copper oxide, 6 parts of magnesium oxide, 6 parts of nickel oxide and 0.4 parts of cobalt, mixed and ball milled to obtain a mixed powder, added to a planetary ball mill, and ground, the obtained powder was initially fired to remove impurities in the powder, finely ground by a grinder, and the particle size was not greater than 0.01mm, and then sprayed. Granules, and pressed into shape, the specific steps are:
[0036] S1: Weigh the powder: take 66 parts of ferric oxide, 11.5 parts of zinc oxide, 7 parts of copper oxide, 6 parts of magnesium oxide, 6 parts of nickel oxide and 0.4 part of dicobalt oxide according to the above weight parts, mix and ball mill, The mixed powder is obtained, and the purity of ferric oxide is not lower than 99.3%, the purity of zinc oxide is not lower than 99.7%, the...
Embodiment 3
[0046] A method for preparing a high frequency, high Curie temperature magnetic core: according to the above weight parts, 68 parts of ferric oxide, 13 parts of zinc oxide, 8 parts of copper oxide, 7 parts of magnesium oxide, 7 parts of nickel oxide and 0.6 parts of cobalt, mixed and ball milled to obtain a mixed powder, added to a planetary ball mill, and ground, the obtained powder was first fired to remove impurities in the powder, finely ground by a grinder, and the particle size was not greater than 0.01mm, and then sprayed. Granules, and pressed into shape, the specific steps are:
[0047] S1: Weigh the powder: take 68 parts of ferric oxide, 13 parts of zinc oxide, 8 parts of copper oxide, 7 parts of magnesium oxide, 7 parts of nickel oxide and 0.6 part of dicobalt oxide according to the above weight parts, mix and ball mill, The mixed powder is obtained, and the purity of ferric oxide is not lower than 99.3%, the purity of zinc oxide is not lower than 99.7%, the purity ...
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