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High-temperature high-conversion-efficiency MnZn ferrite material and preparation method thereof
The invention provides a high-temperature high-conversion-efficiency MnZn ferrite material and a preparation method thereof, and relates to the technical field of MnZn power ferrite material production technologies. The high-temperature high-conversion-efficiency MnZn ferrite material comprises a main raw material group, a first auxiliary raw material group and a second auxiliary raw material group, and the main raw material group comprises the following components by mole percent: 30-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 30 to 45 mol% of MnO and the balance of ZnO; the first auxiliary raw material group is prepared from the following components in mole percent: 0.008 to 0.06 mol percent of CaCO3, 0.01 to 0.05 mol percent of SnO2, 0.01 to 0.05 mol percent of Nb2O5 and 0.01 to 0.02 mol percent of Ta2O5. The high-temperature and high-conversion characteristics of the MnZn ferrite are improved by forming a final finished product and utilizing the characteristics of GaAs, the MnZn ferrite is added into a high-speed ball mill and subjected to ball milling at the ball milling speed of 5000-6000 prm for 20-25 min and ground to 300-350 meshes to form a ground material B, and the high and low temperature resistance of the MnZn ferrite is improved by adding Nb2O5 and Ta2O5 which are very stable at high temperature or low temperature.
本发明提供一种高温高转换效能MnZn铁氧体材料及其制备方法，涉及MnZn功率铁氧体材料生产技术技术领域。该高温高转换效能MnZn铁氧体材料及其制备方法，包括主原料组、第一辅助原料组与第二辅助原料组，所述主原料组包括以下摩尔百分比的成分：Fe2O3：30～40mol％；MnO：30～45mol％，其余为ZnO；所述第一辅助原料组包括以下摩尔百分比的成分：CaCO3：0.008～0.06mol％、SnO2：0.01～0.05mol％、Nb2O5：0.01～0.05mol％、Ta2O5：0.01～0.02mol％。通过并形成最终成品，利用GaAs的特性增加MnZn铁氧体的高温高转换特性，加入进高速球磨机内，以5000‑6000prm的球磨速度球磨20‑25min，研磨至300‑350目，形成研磨物B，通过加入Nb2O5、Ta2O5，两者在遇高温或者低温时都会很稳定的特性下，增加MnZn铁氧体耐高低温性。
High-temperature high-conversion-efficiency MnZn ferrite material and preparation method thereof
The invention provides a high-temperature high-conversion-efficiency MnZn ferrite material and a preparation method thereof, and relates to the technical field of MnZn power ferrite material production technologies. The high-temperature high-conversion-efficiency MnZn ferrite material comprises a main raw material group, a first auxiliary raw material group and a second auxiliary raw material group, and the main raw material group comprises the following components by mole percent: 30-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 20-40mol% of Fe2O3, 30 to 45 mol% of MnO and the balance of ZnO; the first auxiliary raw material group is prepared from the following components in mole percent: 0.008 to 0.06 mol percent of CaCO3, 0.01 to 0.05 mol percent of SnO2, 0.01 to 0.05 mol percent of Nb2O5 and 0.01 to 0.02 mol percent of Ta2O5. The high-temperature and high-conversion characteristics of the MnZn ferrite are improved by forming a final finished product and utilizing the characteristics of GaAs, the MnZn ferrite is added into a high-speed ball mill and subjected to ball milling at the ball milling speed of 5000-6000 prm for 20-25 min and ground to 300-350 meshes to form a ground material B, and the high and low temperature resistance of the MnZn ferrite is improved by adding Nb2O5 and Ta2O5 which are very stable at high temperature or low temperature.
本发明提供一种高温高转换效能MnZn铁氧体材料及其制备方法，涉及MnZn功率铁氧体材料生产技术技术领域。该高温高转换效能MnZn铁氧体材料及其制备方法，包括主原料组、第一辅助原料组与第二辅助原料组，所述主原料组包括以下摩尔百分比的成分：Fe2O3：30～40mol％；MnO：30～45mol％，其余为ZnO；所述第一辅助原料组包括以下摩尔百分比的成分：CaCO3：0.008～0.06mol％、SnO2：0.01～0.05mol％、Nb2O5：0.01～0.05mol％、Ta2O5：0.01～0.02mol％。通过并形成最终成品，利用GaAs的特性增加MnZn铁氧体的高温高转换特性，加入进高速球磨机内，以5000‑6000prm的球磨速度球磨20‑25min，研磨至300‑350目，形成研磨物B，通过加入Nb2O5、Ta2O5，两者在遇高温或者低温时都会很稳定的特性下，增加MnZn铁氧体耐高低温性。
High-temperature high-conversion-efficiency MnZn ferrite material and preparation method thereof
一种高温高转换效能MnZn铁氧体材料及其制备方法
CHENG HAN (author) / LONG BIN (author) / YANG JIANMING (author) / SHEN WEIMING (author) / HU DI (author)
2023-06-23
Patent
Electronic Resource
Chinese
| European Patent Office | 2015
Wide-temperature and high-permeability MnZn ferrite material and preparation method thereof
| European Patent Office | 2015
| European Patent Office | 2015