Low-core loss FeSiAlNi-based composite soft magnetic material and preparation method thereof
A composite soft magnetic and magnetic technology, which is applied in the direction of inorganic material magnetism, inductor/transformer/magnet manufacturing, metal processing equipment, etc., can solve the problems of low core loss, high resistivity, low magnetic flux density, etc., and achieve a simple synthesis method , no cutting, low cost effect
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Embodiment 1
[0027] Option One)
[0028] 1) Put Fe powder, Si powder, Al powder and Ni powder into the vacuum atomization furnace according to the atomic ratio of 85:8:4:3, set the temperature at 2000°C, keep it warm for 2-3 hours, and then put it under the protection of Ar gas Carry out spray powder making by gas atomization powder making process to prepare Fe 85 Si 8 Al 4 Ni 3 powder;
[0029] 2) Prepare an ammonia solution with a mass fraction of 2%, then add 0.01mol ZnCl according to every 250ml of the ammonia solution 2 , then according to every 0.01mol ZnCl 2 Add 100g Fe 85 Si 8 Al 4 Ni 3 Powder, stir evenly, add the above materials into a hydrothermal reaction kettle, keep warm at 170°C for 1-2 hours, cool to room temperature naturally, filter with suction and wash with alcohol for 3 times, then put it in an oven for drying at 60°C to obtain inorganic oxide ZnFe 2 o 4 Coated magnetic powder;
[0030] 3) At room temperature, sequentially add silicone resin, xylene and alc...
Embodiment 2
[0033] 1) Put Fe powder, Si powder, Al powder and Ni powder into the vacuum atomization furnace according to the atomic ratio of 85:8:4:3, set the temperature at 1800°C, keep it warm for 2-3 hours, and then put it under the protection of Ar gas Spray powdering is carried out by gas atomization powder making process to prepare Fe 85 Si 8 Al 4 Ni 3 powder;
[0034] 2) Prepare an ammonia solution with a mass fraction of 3%, then add 0.01mol ZnCl according to every 300ml of the ammonia solution 2 , then according to every 0.01mol ZnCl 2 Add 100g Fe 85 Si 8 Al 4 Ni 3Powder, stir evenly, add the above materials into a hydrothermal reaction kettle, keep warm at 180°C for 1-2 hours, cool to room temperature naturally, filter with suction and wash with alcohol for 3 times, then put it in an oven for drying at 50°C to obtain inorganic oxide ZnFe 2 o 4 Coated magnetic powder;
[0035] 3) At room temperature, sequentially add silicone resin, xylene and alcohol into the reactor,...
Embodiment 3
[0038] 1) Put Fe powder, Si powder, Al powder and Ni powder into the vacuum atomization furnace according to the atomic ratio of 85:8:4:3, set the temperature at 2200°C, keep it warm for 2-3 hours, and then put it under the protection of Ar gas Spray powdering is carried out by gas atomization powder making process to prepare Fe 85 Si 8 Al 4 Ni 3 powder;
[0039] 2) Prepare an ammonia solution with a mass fraction of 2%, then add 0.01mol ZnCl according to every 300ml of the ammonia solution 2 , then according to every 0.01mol ZnCl 2 Add 100g Fe 85 Si 8 Al 4 Ni 3 Powder, stir evenly, add the above materials into a hydrothermal reaction kettle, keep warm at 190°C for 1-2 hours, cool to room temperature naturally, filter with suction and wash with alcohol for 3 times, then put it in an oven for drying at 70°C to obtain inorganic oxide ZnFe 2 o 4 Coated magnetic powder;
[0040] 3) At room temperature, sequentially add silicone resin, xylene and alcohol into the reactor...
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