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Wide-temperature low-loss MnZn ferrite material and manufacturing method thereof
The invention relates to the technical field of MnZn ferrite materials, and discloses a wide-temperature low-loss MnZn ferrite material, which comprises main components and auxiliary components, the main components comprise 53.1 to 53.8 mol% of Fe2O3, 9 to 10 mol% of ZnO and the balance of MnO, and the auxiliary components comprise 0.34 to 0.45 wt% of Co2O3, 0.03 to 0.04 wt% of Ca2CO3, 0.020 to 0.025 wt% of Nb2O5, 0.01 to 0.02 wt% of ZrO2, 0.003 to 0.006 wt% of SiO2, 0.05 to 0.5 wt% of NiO and 0.1 to 0.2 wt% of SnO2. According to the process disclosed by the invention, by controlling the addition range of the main components and the auxiliary components, the MnZn ferrite material meeting the existing large-scale production requirements is prepared in a relatively wide temperature range, an H25 * 15 * 8mm standard sample ring is prepared, the loss characteristic is tested under the conditions of 200mT and 100KHz, the loss at 25 DEG C is lower than 420Kw/m < 3 >, the loss at 60-150 DEG C is lower than 380Kw/m < 3 >, the loss at 120 DEG C is lower than 340Kw/m < 3 >, and low loss and low cost are realized in the production process. According to the process, by controlling the adding range of the main components and the auxiliary components, the MnZn ferrite material meeting the existing large-scale production requirement is prepared in a wide temperature range, and the prepared ferrite material can overcome the defects of a conventional ferrite material and has the characteristics of wide temperature range, low loss and high loss.
本发明涉及MnZn铁氧体材料技术领域，公开了一种宽温低损耗MnZn铁氧体材料，包括主成分和辅成分，主成分的组成为：53.1‑53.8mol%的Fe2O3、9‑10mol%的ZnO、余量为MnO，辅成分的组成为：0.34‑0.45wt%的Co2O3、0.03‑0.04wt%的Ca2CO3、0.020‑0.025wt%的Nb2O5、0.01‑0.02wt%的ZrO2、0.003‑0.006wt%的SiO2、0.05‑0.5wt%的NiO、0.1‑0.2wt%的SnO2。本发明工艺通过控制主成分和辅成分的添加范围，在较宽温度范围下制得适应现有大生产要求的MnZn铁氧体材料，制成H25*15*8mm标准样环，在200mT，100KHz条件下测试损耗特性，在25℃损耗低于420Kw/m3，60℃‑150℃损耗低于380Kw/m3，其中120℃损耗低于340Kw/m3，生产过程实现低损耗、低成本。工艺通过控制主成分和辅成分的添加范围，在较宽温度范围下制得适应现有大生产要求的MnZn铁氧体材料，且制得的铁氧体材料能克服常规铁氧体材料的不足，兼具宽温低损耗高的特性。
Wide-temperature low-loss MnZn ferrite material and manufacturing method thereof
The invention relates to the technical field of MnZn ferrite materials, and discloses a wide-temperature low-loss MnZn ferrite material, which comprises main components and auxiliary components, the main components comprise 53.1 to 53.8 mol% of Fe2O3, 9 to 10 mol% of ZnO and the balance of MnO, and the auxiliary components comprise 0.34 to 0.45 wt% of Co2O3, 0.03 to 0.04 wt% of Ca2CO3, 0.020 to 0.025 wt% of Nb2O5, 0.01 to 0.02 wt% of ZrO2, 0.003 to 0.006 wt% of SiO2, 0.05 to 0.5 wt% of NiO and 0.1 to 0.2 wt% of SnO2. According to the process disclosed by the invention, by controlling the addition range of the main components and the auxiliary components, the MnZn ferrite material meeting the existing large-scale production requirements is prepared in a relatively wide temperature range, an H25 * 15 * 8mm standard sample ring is prepared, the loss characteristic is tested under the conditions of 200mT and 100KHz, the loss at 25 DEG C is lower than 420Kw/m < 3 >, the loss at 60-150 DEG C is lower than 380Kw/m < 3 >, the loss at 120 DEG C is lower than 340Kw/m < 3 >, and low loss and low cost are realized in the production process. According to the process, by controlling the adding range of the main components and the auxiliary components, the MnZn ferrite material meeting the existing large-scale production requirement is prepared in a wide temperature range, and the prepared ferrite material can overcome the defects of a conventional ferrite material and has the characteristics of wide temperature range, low loss and high loss.
本发明涉及MnZn铁氧体材料技术领域，公开了一种宽温低损耗MnZn铁氧体材料，包括主成分和辅成分，主成分的组成为：53.1‑53.8mol%的Fe2O3、9‑10mol%的ZnO、余量为MnO，辅成分的组成为：0.34‑0.45wt%的Co2O3、0.03‑0.04wt%的Ca2CO3、0.020‑0.025wt%的Nb2O5、0.01‑0.02wt%的ZrO2、0.003‑0.006wt%的SiO2、0.05‑0.5wt%的NiO、0.1‑0.2wt%的SnO2。本发明工艺通过控制主成分和辅成分的添加范围，在较宽温度范围下制得适应现有大生产要求的MnZn铁氧体材料，制成H25*15*8mm标准样环，在200mT，100KHz条件下测试损耗特性，在25℃损耗低于420Kw/m3，60℃‑150℃损耗低于380Kw/m3，其中120℃损耗低于340Kw/m3，生产过程实现低损耗、低成本。工艺通过控制主成分和辅成分的添加范围，在较宽温度范围下制得适应现有大生产要求的MnZn铁氧体材料，且制得的铁氧体材料能克服常规铁氧体材料的不足，兼具宽温低损耗高的特性。
Wide-temperature low-loss MnZn ferrite material and manufacturing method thereof
一种宽温低损耗MnZn铁氧体材料及其制造方法
CHENG FENGFENG (author) / XU QINGQING (author) / XU JIE (author) / LIU CHEN (author) / SONG YA (author)
2024-01-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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