Preparation method of high-temperature, high-frequency and low-loss ferrite material
A ferrite material and low-loss technology, applied in the field of ferrite material preparation, can solve the problem of low power loss and achieve the effect of low power loss, low power loss, and reduced power loss
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[0028] A method for preparing a high-temperature, high-frequency, low-loss ferrite material, comprising the following preparation steps:
[0029] 1), using a formula of 52-58 mol% ferric oxide, 9-13 mol% zinc oxide, 0.5-5 mol% nickel oxide, and 31-38 mol% manganese carbonate to mix and grind evenly to form grinding powder;
[0030] 2), pre-calcining the ground powder obtained in step 1) at a temperature of 950-1050° C. to form a fired powder;
[0031] 3), add the following additives to the fired powder obtained in step 2) according to the mass ratio: tin dioxide, titanium dioxide and vanadium pentoxide, and grind again, so that the particle size of the ground powder reaches the primary level of submicron Powder;
[0032] 4), adding an organic binder to the primary powder obtained in step 3), and granulating the primary powder into a granular blank;
[0033] 5) The granular blank obtained in step 4) is placed in a sintering furnace for high-temperature sintering for several h...
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