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Manganese-zinc ferrite with ultra-wide temperature, wide magnetic conductivity and low loss as well as preparation method and application of manganese-zinc ferrite
The invention discloses manganese zinc ferrite with ultra-wide temperature width magnetic conductivity and low loss as well as a preparation method and application thereof, and belongs to the technical field of magnetic materials. By adopting the formula of more Fe2O3 and less ZnO, the magnetocrystalline anisotropy constant K1 and the saturation magnetostriction coefficient lambda s are reduced, the saturation magnetization Ms is increased, the internal and external stress of the material is reduced, an accurate and uniform microstructure is formed, and the magnetic material with high initial permeability, high saturation magnetic flux density and ultralow power consumption can be obtained; caCO3, TiO2, Nb2O5, Co3O4 and SnO2 are introduced as auxiliary components, the auxiliary components can enter crystal grains and crystal boundaries, solid-phase reaction is promoted, the sintering temperature is reduced, crystal grain growth is controlled, the ultra-wide-temperature-width magnetic conductivity of the manganese-zinc ferrite is improved, the obtained manganese-zinc ferrite with the ultra-wide-temperature-width magnetic conductivity and low loss has wide temperature and ultra-low power consumption, and the application temperature range is from-40 DEG C to 160 DEG C.
本发明公开了一种超宽温宽磁导率低损耗锰锌铁氧体及其制备方法与应用，属于磁性材料技术领域。本发明通过采用多Fe2O3、少ZnO的配方，降低磁晶各向异性常数K1和饱和磁致伸缩系数λs，增大饱和磁化强度Ms，降低材料的内外应力，形成精确而均匀的微结构，可获得高初始磁导率、高饱和磁通密度、超低功耗的磁性材料；通过引入CaCO3、TiO2、Nb2O5、Co3O4和SnO2作为辅助成分，辅助成分可进入晶粒内部以及晶界，促进固相反应，降低烧结温度，控制晶粒生长，有助于提高锰锌铁氧体的超宽温宽磁导率，得到的超宽温宽磁导率低损耗锰锌铁氧体具有宽温超低功耗，应用温度范围从‑40℃到160℃。
Manganese-zinc ferrite with ultra-wide temperature, wide magnetic conductivity and low loss as well as preparation method and application of manganese-zinc ferrite
The invention discloses manganese zinc ferrite with ultra-wide temperature width magnetic conductivity and low loss as well as a preparation method and application thereof, and belongs to the technical field of magnetic materials. By adopting the formula of more Fe2O3 and less ZnO, the magnetocrystalline anisotropy constant K1 and the saturation magnetostriction coefficient lambda s are reduced, the saturation magnetization Ms is increased, the internal and external stress of the material is reduced, an accurate and uniform microstructure is formed, and the magnetic material with high initial permeability, high saturation magnetic flux density and ultralow power consumption can be obtained; caCO3, TiO2, Nb2O5, Co3O4 and SnO2 are introduced as auxiliary components, the auxiliary components can enter crystal grains and crystal boundaries, solid-phase reaction is promoted, the sintering temperature is reduced, crystal grain growth is controlled, the ultra-wide-temperature-width magnetic conductivity of the manganese-zinc ferrite is improved, the obtained manganese-zinc ferrite with the ultra-wide-temperature-width magnetic conductivity and low loss has wide temperature and ultra-low power consumption, and the application temperature range is from-40 DEG C to 160 DEG C.
本发明公开了一种超宽温宽磁导率低损耗锰锌铁氧体及其制备方法与应用，属于磁性材料技术领域。本发明通过采用多Fe2O3、少ZnO的配方，降低磁晶各向异性常数K1和饱和磁致伸缩系数λs，增大饱和磁化强度Ms，降低材料的内外应力，形成精确而均匀的微结构，可获得高初始磁导率、高饱和磁通密度、超低功耗的磁性材料；通过引入CaCO3、TiO2、Nb2O5、Co3O4和SnO2作为辅助成分，辅助成分可进入晶粒内部以及晶界，促进固相反应，降低烧结温度，控制晶粒生长，有助于提高锰锌铁氧体的超宽温宽磁导率，得到的超宽温宽磁导率低损耗锰锌铁氧体具有宽温超低功耗，应用温度范围从‑40℃到160℃。
Manganese-zinc ferrite with ultra-wide temperature, wide magnetic conductivity and low loss as well as preparation method and application of manganese-zinc ferrite
一种超宽温宽磁导率低损耗锰锌铁氧体及其制备方法与应用
YANG LIFAN (author) / YANG SHIJI (author) / WEI WEIJIA (author) / YANG ZHI (author) / YANG CAN (author) / HUANG LONGYOU (author) / LI JIAYU (author) / HUANG QING (author) / ZHANG JINBANG (author)
2024-12-17
Patent
Electronic Resource
Chinese
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