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Wide-temperature high-permeability manganese-zinc soft magnetic ferrite for automotive electronics and preparation method thereof
The invention provides a wide-temperature high-permeability manganese-zinc soft magnetic ferrite for automotive electronics and a preparation method thereof, and relates to the technical field of magnetic materials. According to the wide-temperature high-permeability manganese-zinc soft magnetic ferrite for the automotive electronics and the preparation method, the manganese-zinc soft magnetic ferrite comprises main components and auxiliary components, the main components comprise 48-50 mol% of Fe2O3, 10-12 mol% of ZnO and the balance of Mn3O4, and the auxiliary components comprise 0.2-0.3 wt% of CaCO3, 0.03-0.04 wt% of S < iO2 >, 0.02-0.04 wt% of T < iO2 > and 0-0.02 wt% of AL2O3; the preparation method of the manganese-zinc soft magnetic ferrite comprises the following specific steps: step 1, pretreatment: putting the Fe2O3, ZnO and Mn3O4 in proportion into a ball mill to carry out first ball milling processing, and adding the same amount of deionized water in the ball milling process; by optimizing the proportion of the components and the processing technology, the initial magnetic conductivity of the material is stabilized at 5500 or above, the temperature stability is high, and the magnetic conductivity of the material is slightly changed and the comprehensive performance of the material is very stable when the material is tested under the extreme temperature conditions of-50 DEG C and 120 DEG C.
本发明提供一种汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法，涉及磁性材料技术领域。该汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法，包括锰锌软磁铁氧体包含主要成分和辅助成分，所述主要成分包括48～50mo l％Fe2O3，10～12mo l％ZnO，其余为Mn3O4，所述辅助成分包括：0.2～0.3wt％CaCO3、0.03～0.04wt％S iO2、0.02～0.04wt％T iO2和0～0.02wt％AL2O3；锰锌软磁铁氧体的制备包括以下具体步骤：步骤一：预处理：将上述按比例的Fe2O3、ZnO和Mn3O4放入球磨机中进行第一次球磨加工，在球磨过程中加入等量的去离子水。通过优化组成成分比例以及加工工艺，材料的起始磁导率稳定在5500以上，温度稳定性高，在‑50℃和120℃极端温度条件下的测试，其磁导率变化较小，综合性能十分稳定。
Wide-temperature high-permeability manganese-zinc soft magnetic ferrite for automotive electronics and preparation method thereof
The invention provides a wide-temperature high-permeability manganese-zinc soft magnetic ferrite for automotive electronics and a preparation method thereof, and relates to the technical field of magnetic materials. According to the wide-temperature high-permeability manganese-zinc soft magnetic ferrite for the automotive electronics and the preparation method, the manganese-zinc soft magnetic ferrite comprises main components and auxiliary components, the main components comprise 48-50 mol% of Fe2O3, 10-12 mol% of ZnO and the balance of Mn3O4, and the auxiliary components comprise 0.2-0.3 wt% of CaCO3, 0.03-0.04 wt% of S < iO2 >, 0.02-0.04 wt% of T < iO2 > and 0-0.02 wt% of AL2O3; the preparation method of the manganese-zinc soft magnetic ferrite comprises the following specific steps: step 1, pretreatment: putting the Fe2O3, ZnO and Mn3O4 in proportion into a ball mill to carry out first ball milling processing, and adding the same amount of deionized water in the ball milling process; by optimizing the proportion of the components and the processing technology, the initial magnetic conductivity of the material is stabilized at 5500 or above, the temperature stability is high, and the magnetic conductivity of the material is slightly changed and the comprehensive performance of the material is very stable when the material is tested under the extreme temperature conditions of-50 DEG C and 120 DEG C.
本发明提供一种汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法，涉及磁性材料技术领域。该汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法，包括锰锌软磁铁氧体包含主要成分和辅助成分，所述主要成分包括48～50mo l％Fe2O3，10～12mo l％ZnO，其余为Mn3O4，所述辅助成分包括：0.2～0.3wt％CaCO3、0.03～0.04wt％S iO2、0.02～0.04wt％T iO2和0～0.02wt％AL2O3；锰锌软磁铁氧体的制备包括以下具体步骤：步骤一：预处理：将上述按比例的Fe2O3、ZnO和Mn3O4放入球磨机中进行第一次球磨加工，在球磨过程中加入等量的去离子水。通过优化组成成分比例以及加工工艺，材料的起始磁导率稳定在5500以上，温度稳定性高，在‑50℃和120℃极端温度条件下的测试，其磁导率变化较小，综合性能十分稳定。
Wide-temperature high-permeability manganese-zinc soft magnetic ferrite for automotive electronics and preparation method thereof
一种汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法
LUO XIANFU (Autor:in) / MA YILONG (Autor:in) / CHEN DENGMING (Autor:in) / SHAO BIN (Autor:in) / SHI CHAO (Autor:in)
28.02.2023
Patent
Elektronische Ressource
Chinesisch
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