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Low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite and preparation method thereof
The invention belongs to the technical field of magnetic materials, and discloses a low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite and a preparation method thereof. The low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite comprises main components and auxiliary components, the main components comprise 53.5-56.5 mol% of Fe2O3, 3.2-5.5 mol% of ZnOand the balance Mn3O4, and the auxiliary components comprise 400-1000ppm of nano CaCO3, 200-600ppm of nano V2O5, 100-350ppm of nano Nb2O5, 1500-3500ppm of nano Co2O3, 30-150 ppm of SiO2 and 100 to 500ppm of nano CuO. According to the MnZn ferrite material disclosed by the invention, proper main components and nano doping are adopted, and a grinding process of a bead mill is adopted, so that the loss of 3MHz, 80mT, 5MHz and 50mT of the MnZn ferrite material is greatly reduced under the condition of keeping high magnetic conductivity and high saturation flux density, the MnZn ferrite material is at a leading level in the industry, low-temperature sintering is realized through doping, and the production cost is reduced.
本发明属于磁性材料技术领域，公开了一种低温烧结高频低损耗MnZn软磁铁氧体及其制备方法。本发明的低温烧结高频低损耗MnZn软磁铁氧体包含主成分和辅助成分，所述主成分包括Fe2O3：53.5～56.5mol%，ZnO：3.2～5.5mol%，其余为Mn3O4，按主成分总重量计，所述辅助成分包括：纳米CaCO3：400～1000ppm、纳米V2O5：200～600ppm、纳米Nb2O5：100～350ppm、纳米Co2O3：1500～3500ppm、纳米SiO2：30～150ppm、纳米CuO：100～500ppm。本发明的MnZn铁氧体材料，通过合适的主成分与纳米掺杂，并采用珠磨机的研磨工艺，使该MnZn铁氧体材料在保持高磁导率和高饱和磁通密度条件下，大幅降低了3MHz，80mT和5MHz，50mT的损耗，使其在行业内处于领先水平，而且通过掺杂实现低温烧结，减小了生产成本。
Low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite and preparation method thereof
The invention belongs to the technical field of magnetic materials, and discloses a low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite and a preparation method thereof. The low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite comprises main components and auxiliary components, the main components comprise 53.5-56.5 mol% of Fe2O3, 3.2-5.5 mol% of ZnOand the balance Mn3O4, and the auxiliary components comprise 400-1000ppm of nano CaCO3, 200-600ppm of nano V2O5, 100-350ppm of nano Nb2O5, 1500-3500ppm of nano Co2O3, 30-150 ppm of SiO2 and 100 to 500ppm of nano CuO. According to the MnZn ferrite material disclosed by the invention, proper main components and nano doping are adopted, and a grinding process of a bead mill is adopted, so that the loss of 3MHz, 80mT, 5MHz and 50mT of the MnZn ferrite material is greatly reduced under the condition of keeping high magnetic conductivity and high saturation flux density, the MnZn ferrite material is at a leading level in the industry, low-temperature sintering is realized through doping, and the production cost is reduced.
本发明属于磁性材料技术领域，公开了一种低温烧结高频低损耗MnZn软磁铁氧体及其制备方法。本发明的低温烧结高频低损耗MnZn软磁铁氧体包含主成分和辅助成分，所述主成分包括Fe2O3：53.5～56.5mol%，ZnO：3.2～5.5mol%，其余为Mn3O4，按主成分总重量计，所述辅助成分包括：纳米CaCO3：400～1000ppm、纳米V2O5：200～600ppm、纳米Nb2O5：100～350ppm、纳米Co2O3：1500～3500ppm、纳米SiO2：30～150ppm、纳米CuO：100～500ppm。本发明的MnZn铁氧体材料，通过合适的主成分与纳米掺杂，并采用珠磨机的研磨工艺，使该MnZn铁氧体材料在保持高磁导率和高饱和磁通密度条件下，大幅降低了3MHz，80mT和5MHz，50mT的损耗，使其在行业内处于领先水平，而且通过掺杂实现低温烧结，减小了生产成本。
Low-temperature sintered high-frequency low-loss MnZn soft magnetic ferrite and preparation method thereof
一种低温烧结高频低损耗MnZn软磁铁氧体及其制备方法
ZHANG ZHIXIN (Autor:in) / ZHANG QIANGYUAN (Autor:in) / XING BINGBING (Autor:in) / WANG HONGJIAN (Autor:in) / HUANG YANFENG (Autor:in) / MIAO SIMIN (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
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