Effect receiving modes, and heat treatment on the structure and properties of the magnetic powder of strontium hexaferrite

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Objective The aim of this study was to investigate the magnetic properties of hexaferrite powders SrFe12O19 strontium obtained by crystallization of the oxide glass, with the addition of Fe-B.

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To achieve this aim the following tasks: To achieve this aim the following tasks: Preparation of the alloy samples of strontium hexaferrite composition of 95% SrFe12O19 and 5% Fe-B. Testing methods of heat treatment; The study of the magnetic properties of the samples after grinding;

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Сomminution Сomminution SAND planetary mill was used to prepare nanocrystalline powders of strontium hexaferrite with the ability to use up to 4 sealable drums.

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Oxide glass crystallization method obtained submicrocrystalline rapidly quenched alloys and amorphous structure. It is shown that vitrified grinding in distilled water, compared to grinding in toluene resulted in a slight decrease in the coercive force (from 9 to kilooersted 8,2 kilooersted) and increase residual induction (from 0,75 kilogauss to 1,25 kilogauss, respectively. After annealing at presszagotovki 1050 C at 30 min following magnetic properties obtained