High-Bs low-loss ferrite
A low-loss, ferrite technology, applied in the direction of magnetic objects, magnetic materials, electrical components, etc., can solve problems such as incompatibility, achieve low power loss, uniform grain size, and increase the effect of sintering density
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Embodiment 1
[0020] A kind of high Bs low-loss ferrite, its raw material comprises by weight: main material 100 parts, auxiliary material 0.15 part, octadecyltrimethylammonium bromide 0.15 part, defoamer 0.05 part, lubricant 0.07 part, 1 part epoxy resin;
[0021] The raw materials of the main ingredients include: MnO 2 43mol%, ZnO 7mol%, Fe 2 o 3 50mol%;
[0022] The raw materials of auxiliary materials include by weight: CaCO 3 0.65 parts, NiO 0.3 parts, V 2 o 5 0.45 parts, SiO 2 0.35 copies;
[0023] In the preparation process of high Bs low loss ferrite, take MnO 2 , ZnO, Fe 2 o 3 Mix and granulate, sieve to get pellets; pre-burn the pellets to get calcined; pulverize the calcined, add water, dispersant, auxiliary materials, grind, then add defoamer, binder, lubricant Mix to obtain a slurry; take the slurry, spray granulate, press to form, and calcinate to obtain high Bs and low loss ferrite. The specific steps of pre-calcination are: raise the temperature to 940°C and ...
Embodiment 2
[0026] A kind of high Bs low loss ferrite, its raw material comprises by weight: main material 100 parts, auxiliary material 0.25 parts, octadecyltrimethylammonium bromide 0.1 part, defoamer 0.1 part, lubricant 0.05 part, 1.5 parts of epoxy resin;
[0027] The raw materials of the main ingredients include: MnO 2 40.5mol%, ZnO 7.5mol%, Fe 2 o 3 52mol%;
[0028] The raw materials of auxiliary materials include by weight: CaCO 3 0.55 parts, NiO 0.35 parts, V 2 o 5 0.35 parts, SiO 2 0.45 copies;
[0029] The lubricant is zinc stearate and ethylene bis-stearoyl, wherein the weight ratio of zinc stearate and ethylene bis-stearoyl is 1:1;
[0030] In the preparation process of high Bs low loss ferrite, take MnO 2 , ZnO, Fe 2 o 3 Mix and granulate, pass through a 4-mesh sieve to obtain pellets; pre-fire the pellets to obtain calcined materials; pulverize the calcined materials, add water, dispersant, auxiliary materials, grind for 2 hours, and then add defoamer and bin...
Embodiment 3
[0033] A kind of high Bs low loss ferrite, its raw material comprises by weight: main material 100 parts, auxiliary material 0.2 part, cetyltrimethylammonium bromide 0.13 part, defoamer 0.07 part, lubricant 0.06 part, 1.3 parts of epoxy resin;
[0034] The raw materials of the main ingredients include: MnO 2 41.8mol%, ZnO 7.2mol%, Fe 2 o 3 51mol%;
[0035] The raw materials of auxiliary materials include by weight: CaCO 3 0.6 parts, NiO 0.32 parts, V 2 o 5 0.4 parts, SiO 2 0.4 copies;
[0036] The lubricant is zinc stearate and ethylene bis-stearoyl, wherein the weight ratio of zinc stearate and ethylene bis-stearoyl is 1:1;
[0037] In the preparation process of high Bs low loss ferrite, take MnO 2 , ZnO, Fe 2 o 3Mix and granulate, pass through a 5-mesh sieve to obtain pellets; pre-burn the pellets to obtain calcined materials; pulverize the calcined materials, add water, dispersant, auxiliary materials, grind for 1.5 hours, then add defoamer, bonding Mixing ...
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