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Manganese zinc ferrite material as well as preparation method and application thereof
The invention provides a manganese zinc ferrite material and a preparation method and application thereof, the material comprises main components and auxiliary components, the main components comprise iron oxide, manganese oxide and zinc oxide, and the auxiliary components comprise calcium carbonate, nano silicon dioxide, niobium pentoxide, bismuth oxide and molybdenum trioxide; the preparation method comprises the following steps: weighing, mixing calcium carbonate and nano silicon dioxide in the main components and the auxiliary components, pre-sintering, ball-milling, sanding, granulating, forming, sintering and the like. According to the invention, the Curie temperature and the magnetic conductivity are improved by adding the main components with specific types and contents; and calcium carbonate and nano calcium dioxide in the auxiliary components are added in advance, so that the loss factor is effectively reduced, and therefore, the specific loss factor of the material is less than or equal to 2 * 10 <-6 > under the condition of normal temperature of 10kHz, the specific loss factor is less than or equal to 15 * 10 <-6 > under the condition of 100kHz, the initial permeability mu i is greater than 9900 under the condition of normal temperature of 10-200kHz, and the Curie temperature is greater than or equal to 160 DEG C.
本发明提供了一种锰锌铁氧体材料及制备方法和应用，该材料包括主成分和辅助成分，主成分由氧化铁、氧化锰及氧化锌组成，辅助成分由碳酸钙、纳米二氧化硅、五氧化二铌、氧化铋和三氧化钼组成；制备方法包括称重、主成分和辅助成分中的碳酸钙和纳米二氧化硅混合、预烧、球磨、砂磨、造粒、成型及烧结等步骤；本发明通过加入特定种类和含量的主成分，提高了居里温度和磁导率；辅助成分中碳酸钙和纳米二氧化钙的提前加入，有效降低了损耗因子，因此，本发明的材料在常温10kHz条件下比损耗因子≤2×10‑6，100kHz条件下比损耗因子≤15×10‑6，常温10‑200kHz条件下初始磁导率μi均大于9900，且居里温度≥160℃。
Manganese zinc ferrite material as well as preparation method and application thereof
The invention provides a manganese zinc ferrite material and a preparation method and application thereof, the material comprises main components and auxiliary components, the main components comprise iron oxide, manganese oxide and zinc oxide, and the auxiliary components comprise calcium carbonate, nano silicon dioxide, niobium pentoxide, bismuth oxide and molybdenum trioxide; the preparation method comprises the following steps: weighing, mixing calcium carbonate and nano silicon dioxide in the main components and the auxiliary components, pre-sintering, ball-milling, sanding, granulating, forming, sintering and the like. According to the invention, the Curie temperature and the magnetic conductivity are improved by adding the main components with specific types and contents; and calcium carbonate and nano calcium dioxide in the auxiliary components are added in advance, so that the loss factor is effectively reduced, and therefore, the specific loss factor of the material is less than or equal to 2 * 10 <-6 > under the condition of normal temperature of 10kHz, the specific loss factor is less than or equal to 15 * 10 <-6 > under the condition of 100kHz, the initial permeability mu i is greater than 9900 under the condition of normal temperature of 10-200kHz, and the Curie temperature is greater than or equal to 160 DEG C.
本发明提供了一种锰锌铁氧体材料及制备方法和应用，该材料包括主成分和辅助成分，主成分由氧化铁、氧化锰及氧化锌组成，辅助成分由碳酸钙、纳米二氧化硅、五氧化二铌、氧化铋和三氧化钼组成；制备方法包括称重、主成分和辅助成分中的碳酸钙和纳米二氧化硅混合、预烧、球磨、砂磨、造粒、成型及烧结等步骤；本发明通过加入特定种类和含量的主成分，提高了居里温度和磁导率；辅助成分中碳酸钙和纳米二氧化钙的提前加入，有效降低了损耗因子，因此，本发明的材料在常温10kHz条件下比损耗因子≤2×10‑6，100kHz条件下比损耗因子≤15×10‑6，常温10‑200kHz条件下初始磁导率μi均大于9900，且居里温度≥160℃。
Manganese zinc ferrite material as well as preparation method and application thereof
锰锌铁氧体材料及制备方法和应用
LI BIN (author) / ZHANG ZHENGWEI (author) / GU XIEFENG (author) / XU JIE (author) / ZHANG HAILANG (author) / HUANG ZIQIAN (author) / PENG CHUNLAN (author) / ZHOU XIAOQIANG (author)
2022-12-09
Patent
Electronic Resource
Chinese
Manganese zinc ferrite material as well as preparation method and application thereof
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Manganese zinc ferrite material as well as preparation method and application thereof
| European Patent Office | 2024