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Manganese-zinc ferrite material with wide temperature range, high Bs and low temperature coefficient and preparation method thereof
The invention provides a manganese-zinc ferrite material with wide temperature range, high Bs and low temperature coefficient, the manganese-zinc ferrite material comprises a main component and an additive, the main component comprises the following raw materials by mole percentage: 51.8-54.8 mol% of Fe2O3, 30-36 mol% of Mn3O4, 8-12 mol% of ZnO, and the balance CuO; the additives comprise Co2O3, SnO2, SiO2, Bi2O3, CaCO3, ZrO2 and V2O3, and on the basis of the total mass of the main component, the content of the additives is as follows: 0.28 wt%-0.45 wt% of Co2O3, 0.03 wt%-0.075 wt% of SnO2, 0.001 wt%-0.01 wt% of SiO2, 0.01 wt%-0.06 wt% of Bi2O3, 0.04 to 0.07 wt% of CaCO3, 0 to 0.08 wt% of ZrO2, and 0 to 0.06wt% of V2O3. The manganese-zinc ferrite material with the wide temperature range, the high Bs and the low temperature coefficient can be applied to an electronic circuit broadband transformer, a filter inductor and laminated magnetic beads, the application range of a soft magnetic ferrite material under extreme conditions can be solved to a large extent, and the requirements for high inductance, high energy conversion rate and wide-temperature use of manganese-zinc ferrite are met. The invention also provides a preparation method of the manganese-zinc ferrite material.
本发明提供了一种宽温高Bs低温度系数的锰锌铁氧体材料，包括主成分和添加剂，所述主成分按摩尔百分比，由以下原料组成：Fe2O351.8～54.8mol％，Mn3O4 30～36mol％，ZnO 8～12mol％，CuO为余量；所述添加剂包括Co2O3、SnO2、SiO2、Bi2O3、CaCO3、ZrO2和V2O3，以所述主成分的总质量为基准，所述添加剂的含量为：Co2O3 0.28～0.45wt％，SnO20.03～0.075wt％，SiO20.001～0.01wt％，Bi2O30.01～0.06wt％；CaCO30.04～0.07wt％、ZrO20～0.08wt％和V2O30～0.06wt％。这种宽温高Bs低温度系数的锰锌铁氧体材料，可应用于电子电路宽带变压器、滤波电感、叠层磁珠中，能够在很大程度上解决软磁铁氧体材料在极端条件下的应用范围，满足对锰锌铁氧体的高电感量、高能量转化率和宽温使用的要求。本发明还提供了锰锌铁氧体材料的制备方法。
Manganese-zinc ferrite material with wide temperature range, high Bs and low temperature coefficient and preparation method thereof
The invention provides a manganese-zinc ferrite material with wide temperature range, high Bs and low temperature coefficient, the manganese-zinc ferrite material comprises a main component and an additive, the main component comprises the following raw materials by mole percentage: 51.8-54.8 mol% of Fe2O3, 30-36 mol% of Mn3O4, 8-12 mol% of ZnO, and the balance CuO; the additives comprise Co2O3, SnO2, SiO2, Bi2O3, CaCO3, ZrO2 and V2O3, and on the basis of the total mass of the main component, the content of the additives is as follows: 0.28 wt%-0.45 wt% of Co2O3, 0.03 wt%-0.075 wt% of SnO2, 0.001 wt%-0.01 wt% of SiO2, 0.01 wt%-0.06 wt% of Bi2O3, 0.04 to 0.07 wt% of CaCO3, 0 to 0.08 wt% of ZrO2, and 0 to 0.06wt% of V2O3. The manganese-zinc ferrite material with the wide temperature range, the high Bs and the low temperature coefficient can be applied to an electronic circuit broadband transformer, a filter inductor and laminated magnetic beads, the application range of a soft magnetic ferrite material under extreme conditions can be solved to a large extent, and the requirements for high inductance, high energy conversion rate and wide-temperature use of manganese-zinc ferrite are met. The invention also provides a preparation method of the manganese-zinc ferrite material.
本发明提供了一种宽温高Bs低温度系数的锰锌铁氧体材料，包括主成分和添加剂，所述主成分按摩尔百分比，由以下原料组成：Fe2O351.8～54.8mol％，Mn3O4 30～36mol％，ZnO 8～12mol％，CuO为余量；所述添加剂包括Co2O3、SnO2、SiO2、Bi2O3、CaCO3、ZrO2和V2O3，以所述主成分的总质量为基准，所述添加剂的含量为：Co2O3 0.28～0.45wt％，SnO20.03～0.075wt％，SiO20.001～0.01wt％，Bi2O30.01～0.06wt％；CaCO30.04～0.07wt％、ZrO20～0.08wt％和V2O30～0.06wt％。这种宽温高Bs低温度系数的锰锌铁氧体材料，可应用于电子电路宽带变压器、滤波电感、叠层磁珠中，能够在很大程度上解决软磁铁氧体材料在极端条件下的应用范围，满足对锰锌铁氧体的高电感量、高能量转化率和宽温使用的要求。本发明还提供了锰锌铁氧体材料的制备方法。
Manganese-zinc ferrite material with wide temperature range, high Bs and low temperature coefficient and preparation method thereof
一种宽温高Bs低温度系数的锰锌铁氧体材料及其制备方法
XIAO SHIYONG (author) / YAN CHUANJUN (author) / ZHOU WENLIANG (author) / YANG MINGXIONG (author)
2021-01-08
Patent
Electronic Resource
Chinese
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