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High-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material and preparation method thereof
The invention belongs to the technical field of soft magnetic ferrite materials, and discloses a high-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material and a preparation method thereof. The high-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material is composed of a main component and an auxiliary component. The main component is composed of the following raw materials in mole percentage: 52-54 mol% of Fe2O3, 18-22 mol% of ZnO and the balance of MnO. Based on the total amount of the main component, the auxiliary component is composed of the following raw materials: 200-1000 ppm of CaCO3, 200-1000 ppm of Bi2O3, 200-1000 ppm of Co2O3, and 200-1000 ppm of MoO3. The manganese-zinc ferrite material prepared by adopting the formula and the process has the characteristics of high magnetic conductivity, high frequency, high impedance and high Curie temperature: the initial magnetic rate [mu]i(25 DEG C) is more than or equal to 12000, the Tc is more than or equal to 150 DEG C, and the impedance coefficient is more than or equal to 26 ohm/mm within the range of 0.5-1.0 MHz.
本发明属于软磁铁氧体材料技术领域,公开了一种高磁导率高频高阻抗高居里温度锰锌铁氧体材料及其制备方法。本发明的高磁导率高频高阻抗高居里温度锰锌铁氧体材料由主成份和辅助成分组成,所述主成份由以下摩尔百分比的原料组成:52~54mol%的Fe2O3,18~22mol%的ZnO,其余为MnO;以主成份总量为基准,所述辅助成分由以下含量的原料组成:CaCO3200~1000ppm,Bi2O3200~1000ppm,Co2O3200~1000ppm,MoO3200~1000ppm。采用本发明的配方及工艺制得的锰锌铁氧体材料具有高磁导率高频高阻抗高居里温度特性:初始磁率μi(25℃)≥12000,Tc≥150℃,0.5‑1.0MHz的范围内,阻抗系数≥26Ω/mm。
High-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material and preparation method thereof
The invention belongs to the technical field of soft magnetic ferrite materials, and discloses a high-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material and a preparation method thereof. The high-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material is composed of a main component and an auxiliary component. The main component is composed of the following raw materials in mole percentage: 52-54 mol% of Fe2O3, 18-22 mol% of ZnO and the balance of MnO. Based on the total amount of the main component, the auxiliary component is composed of the following raw materials: 200-1000 ppm of CaCO3, 200-1000 ppm of Bi2O3, 200-1000 ppm of Co2O3, and 200-1000 ppm of MoO3. The manganese-zinc ferrite material prepared by adopting the formula and the process has the characteristics of high magnetic conductivity, high frequency, high impedance and high Curie temperature: the initial magnetic rate [mu]i(25 DEG C) is more than or equal to 12000, the Tc is more than or equal to 150 DEG C, and the impedance coefficient is more than or equal to 26 ohm/mm within the range of 0.5-1.0 MHz.
本发明属于软磁铁氧体材料技术领域,公开了一种高磁导率高频高阻抗高居里温度锰锌铁氧体材料及其制备方法。本发明的高磁导率高频高阻抗高居里温度锰锌铁氧体材料由主成份和辅助成分组成,所述主成份由以下摩尔百分比的原料组成:52~54mol%的Fe2O3,18~22mol%的ZnO,其余为MnO;以主成份总量为基准,所述辅助成分由以下含量的原料组成:CaCO3200~1000ppm,Bi2O3200~1000ppm,Co2O3200~1000ppm,MoO3200~1000ppm。采用本发明的配方及工艺制得的锰锌铁氧体材料具有高磁导率高频高阻抗高居里温度特性:初始磁率μi(25℃)≥12000,Tc≥150℃,0.5‑1.0MHz的范围内,阻抗系数≥26Ω/mm。
High-permeability, high-frequency, high-impedance and high-Curie-temperature manganese-zinc ferrite material and preparation method thereof
一种高磁导率高频高阻抗高居里温度锰锌铁氧体材料及其制备方法
ZHU YONG (Autor:in) / WANG CHAOMING (Autor:in) / ZHAO XU (Autor:in)
05.02.2021
Patent
Elektronische Ressource
Chinesisch
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