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High-frequency low-loss FeMnZnNi ferrite material and preparation method thereof
The invention relates to the field of iron oxide body materials. The problems that in the prior art, the public range of power consumption frequency is small, and low loss under the high-frequency condition cannot be met are solved. The invention discloses a high-frequency low-loss FeMnZnNi ferrite material and a preparation method thereof. The high-frequency low-loss FeMnZnNi ferrite material comprises a main component and an auxiliary component, and the main component comprises, by mass, 70.5-76.5% of Fe2O3, 0.5-5.5% of ZnO, 0.5-3% of NiO, and the balance of Mn3O4. The preparation method comprises the following four steps: ball milling, presintering, granulating and sintering. The quaternary system FeMnZnNi ferrite material has high initial permeability, high saturation flux density andhigh Curie temperature, overcomes the defect that the loss of the existing soft magnetic ferrite is high when the frequency is 5 MHz, reduces the expensive cost of the Ni-Zn ferrite, reduces the volume of a magnetic core, and meets the requirement of developing the design frequency of a transformer to high frequency.
本发明涉及氧铁体材料领域，针对现有技术的功耗频率公开范围较小及无法满足高频条件下的低损耗的问题，公开了提供一种高频低损耗FeMnZnNi铁氧体材料及其制备方法，包含主成分和辅助成分，其中，按质量分数计，主成分包含70.5‑76.5%的FeO，0.5‑5.5%的ZnO，0.5‑3%的NiO，其余为MnO。制备步骤包括：球磨、预烧、造粒及烧结四个步骤。本发明提供的四元系FeMnZnNi铁氧体材料，具有高初始磁导率、高饱和磁通密度及高居里温度，克服了现有软磁铁氧体在频率为5MHz时损耗偏高，并降低Ni‑Zn系铁氧体的昂贵成本，减小磁芯体积，满足变压器设计频率向高频发展的需求。
High-frequency low-loss FeMnZnNi ferrite material and preparation method thereof
The invention relates to the field of iron oxide body materials. The problems that in the prior art, the public range of power consumption frequency is small, and low loss under the high-frequency condition cannot be met are solved. The invention discloses a high-frequency low-loss FeMnZnNi ferrite material and a preparation method thereof. The high-frequency low-loss FeMnZnNi ferrite material comprises a main component and an auxiliary component, and the main component comprises, by mass, 70.5-76.5% of Fe2O3, 0.5-5.5% of ZnO, 0.5-3% of NiO, and the balance of Mn3O4. The preparation method comprises the following four steps: ball milling, presintering, granulating and sintering. The quaternary system FeMnZnNi ferrite material has high initial permeability, high saturation flux density andhigh Curie temperature, overcomes the defect that the loss of the existing soft magnetic ferrite is high when the frequency is 5 MHz, reduces the expensive cost of the Ni-Zn ferrite, reduces the volume of a magnetic core, and meets the requirement of developing the design frequency of a transformer to high frequency.
本发明涉及氧铁体材料领域，针对现有技术的功耗频率公开范围较小及无法满足高频条件下的低损耗的问题，公开了提供一种高频低损耗FeMnZnNi铁氧体材料及其制备方法，包含主成分和辅助成分，其中，按质量分数计，主成分包含70.5‑76.5%的FeO，0.5‑5.5%的ZnO，0.5‑3%的NiO，其余为MnO。制备步骤包括：球磨、预烧、造粒及烧结四个步骤。本发明提供的四元系FeMnZnNi铁氧体材料，具有高初始磁导率、高饱和磁通密度及高居里温度，克服了现有软磁铁氧体在频率为5MHz时损耗偏高，并降低Ni‑Zn系铁氧体的昂贵成本，减小磁芯体积，满足变压器设计频率向高频发展的需求。
High-frequency low-loss FeMnZnNi ferrite material and preparation method thereof
一种高频低损耗FeMnZnNi铁氧体材料及其制备方法
ZHU HANGFEI (author) / ZHANG CONG (author) / LIU LIDONG (author) / WANG GUOGUANG (author) / SHAN ZHEN (author)
2020-07-03
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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