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Large-magnetic-field high-power-density soft magnetic ferrite material and preparation method thereof
The invention belongs to the technical field of soft magnetic ferrite materials, and discloses a large-magnetic-field high-power-density soft magnetic ferrite material preparation method, which comprises: (1) accurately weighing main materials such as Fe2O3, Mn3O4 and ZnO according to a ratio, and preparing to obtain powder with uniform particle distribution; (2) pre-sintering the powder in air to obtain manganese zinc ferrite pre-sintered powder; (3) mixing the obtained pre-sintered powder, an auxiliary additive and a dispersing agent in proportion, and carrying out secondary ball milling to obtain powder; (4) adding polyvinyl alcohol into the obtained powder, and pressing into a green body; and (5) sintering the green body to obtain the final soft magnetic ferrite material. The large-magnetic-field high-power-density soft magnetic ferrite material provided by the invention has the effects of high saturation flux density and low loss.
本发明属于软磁铁氧体材料技术领域，公开了一种大磁场高功率密度软磁铁氧体材料制备方法，包括如下步骤：(1)将主料Fe2O3、Mn3O4、ZnO按比例精确称量，制备得到颗粒分布均匀的粉体；(2)将粉体在空气中预烧结，得到锰锌铁氧体预烧粉体；(3)将所得预烧粉体、辅助添加剂以及分散剂按比例混合，进行二次球磨，得到粉料；(4)将得到的粉料中加入聚乙烯醇压制成生坯；(5)对生坯进行烧结，得到最终软磁铁氧体材料；本发提供一种大磁场高功率密度软磁铁氧体材料，具有高饱和磁感应强度的、低损耗的效果。
Large-magnetic-field high-power-density soft magnetic ferrite material and preparation method thereof
The invention belongs to the technical field of soft magnetic ferrite materials, and discloses a large-magnetic-field high-power-density soft magnetic ferrite material preparation method, which comprises: (1) accurately weighing main materials such as Fe2O3, Mn3O4 and ZnO according to a ratio, and preparing to obtain powder with uniform particle distribution; (2) pre-sintering the powder in air to obtain manganese zinc ferrite pre-sintered powder; (3) mixing the obtained pre-sintered powder, an auxiliary additive and a dispersing agent in proportion, and carrying out secondary ball milling to obtain powder; (4) adding polyvinyl alcohol into the obtained powder, and pressing into a green body; and (5) sintering the green body to obtain the final soft magnetic ferrite material. The large-magnetic-field high-power-density soft magnetic ferrite material provided by the invention has the effects of high saturation flux density and low loss.
本发明属于软磁铁氧体材料技术领域，公开了一种大磁场高功率密度软磁铁氧体材料制备方法，包括如下步骤：(1)将主料Fe2O3、Mn3O4、ZnO按比例精确称量，制备得到颗粒分布均匀的粉体；(2)将粉体在空气中预烧结，得到锰锌铁氧体预烧粉体；(3)将所得预烧粉体、辅助添加剂以及分散剂按比例混合，进行二次球磨，得到粉料；(4)将得到的粉料中加入聚乙烯醇压制成生坯；(5)对生坯进行烧结，得到最终软磁铁氧体材料；本发提供一种大磁场高功率密度软磁铁氧体材料，具有高饱和磁感应强度的、低损耗的效果。
Large-magnetic-field high-power-density soft magnetic ferrite material and preparation method thereof
一种大磁场高功率密度软磁铁氧体材料及其制备方法
LIU GUANSHENG (author) / LIAO FUZHENG (author) / WANG JUXI (author) / ZOU QINGMA (author) / TAN FURONG (author)
2024-07-05
Patent
Electronic Resource
Chinese
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