Ultra-high frequency soft ferrite material and preparation method of magnetic core
A soft ferrite and ultra-high frequency technology, applied in the field of soft ferrite, can solve the problems of high loss and low magnetic permeability, and achieve the effects of reduced porosity, high magnetic permeability, and fine and uniform grains
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Embodiment 1
[0038] This embodiment provides an ultra-high frequency soft ferrite material,
[0039] The main components are in parts by mole, including:
[0040] Fe 2 o 3 67 mol
[0041] BaCO 3 25mol
[0042] Flake Co 3 o 4 7 mol
[0043] Relative to the total amount of main components, the weight percentages of each additive component are respectively:
[0044] Na 2 CO 3 400PPM
[0045] SrCO 3 100PPM
[0046] SM 2 o 3 100PPM
[0047] TiZn100PPM
[0048] Li 2 CO 3 100PPM
[0049]nano-SiO 2 100PPM
[0050] The nano-SiO 2 The size is 50-100nm.
[0051] A method for preparing an ultra-high frequency soft ferrite core, comprising the following steps:
[0052] S1, according to the amount of the ultra-high frequency soft magnetic ferrite material described in any of the above, weigh each main component, then mix each main component, and get M type and Y type through wet ball milling, drying, pre-calcination, and grinding Barium ferrite magnetic powder;
[0053] S2, acc...
Embodiment 2
[0058] The main components are in parts by mole, including:
[0059] Fe 2 o 3 69 mol
[0060] BaCO 3 23 mol
[0061] Flake Co 3 o 4 9 mol
[0062] Relative to the total amount of main components, the weight percentages of each additive component are respectively:
[0063] Na 2 CO 3 100PPM
[0064] SrCO 3 800PPM
[0065] SM 2 o 3 30PPM
[0066] TiZn300PPM
[0067] Li 2 CO 3 300PPM
[0068] nano-SiO 2 50PPM
[0069] The nano-SiO 2 The size is 50-100nm.
[0070] A method for preparing an ultra-high frequency soft ferrite core, comprising the following steps:
[0071] S1, according to the amount of the ultra-high frequency soft magnetic ferrite material described in any of the above, weigh each main component, then mix each main component, and get M type and Y type through wet ball milling, drying, pre-calcination, and grinding Barium ferrite magnetic powder;
[0072] S2, according to the amount of the ultra-high frequency soft magnetic ferrite material de...
Embodiment 3
[0077] The main components are in parts by mole, including:
[0078] Fe 2 o 3 68 mol
[0079] BaCO 3 24 mol
[0080] Flake Co 3 o 4 8 mol
[0081] Relative to the total amount of main components, the weight percentages of each additive component are respectively:
[0082] Na 2 CO 3 300PPM
[0083] SrCO 3 600PPM
[0084] SM 2 o 3 50PPM
[0085] TiZn200PPM
[0086] Li 2 CO 3 200PPM
[0087] nano-SiO 2 70PPM
[0088] The nano-SiO 2 The size is 50-100nm.
[0089] A method for preparing an ultra-high frequency soft ferrite core, comprising the following steps:
[0090] S1, according to the amount of the ultra-high frequency soft magnetic ferrite material described in any of the above, weigh each main component, then mix each main component, and get M type and Y type through wet ball milling, drying, pre-calcination, and grinding Barium ferrite magnetic powder;
[0091] S2, according to the amount of the ultra-high frequency soft magnetic ferrite material de...
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