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Preparation method of high-temperature, high-frequency and low-loss ferrite material
The invention relates to the technical field of ferrite materials, and discloses a preparation method of a high-temperature high-frequency low-loss ferrite material, which comprises the following steps: 1) mixing and grinding 52-58 mol% of ferric oxide, 9-13 mol% of zinc oxide, 0.5-5 mol% of nickel oxide and 31-38 mol% of manganese carbonate to form ground powder; 2) presintering the ground powderat the temperature of 950-1050 DEG C to form fired powder; 3) adding stannic oxide, titanium dioxide and vanadium pentoxide into the fired powder according to a mass ratio, and grinding the primary powder of which the particle size reaches a sub-micron level again; 4) adding an organic adhesive into the primary powder, and forming into granular blanks; and 5) placing the granular blank in a sintering furnace for high-temperature sintering for several hours to form a high-temperature high-frequency low-loss ferrite material; so that the purpose of reducing power loss under high-temperature andhigh-frequency conditions is achieved.
本发明涉及铁氧体材料的技术领域，公开了高温高频低损耗的铁氧体材料的制备方法，包括以下制备步骤：1)、采用配方为52～58mol％三氧化二铁、9～13mol％氧化锌、0.5～5mol％氧化镍，31～38mol％碳酸锰混合研磨形成研磨粉料；2)、将研磨粉料在950～1050℃温度下预烧形成烧制粉料；3)、将烧制粉料按质量比加入二氧化锡、二氧化钛以及五氧化二钒，并再次研磨粉料的粒径达到亚微米级的初级粉料；4)、在初级粉料中添加有机黏合剂，成型为粒状胚料；5)、将粒状胚料放置在烧结炉中高温烧结数小时，形成高温高频低损耗铁氧体材料；达到降低高温高频条件下功率损耗的目的。
Preparation method of high-temperature, high-frequency and low-loss ferrite material
The invention relates to the technical field of ferrite materials, and discloses a preparation method of a high-temperature high-frequency low-loss ferrite material, which comprises the following steps: 1) mixing and grinding 52-58 mol% of ferric oxide, 9-13 mol% of zinc oxide, 0.5-5 mol% of nickel oxide and 31-38 mol% of manganese carbonate to form ground powder; 2) presintering the ground powderat the temperature of 950-1050 DEG C to form fired powder; 3) adding stannic oxide, titanium dioxide and vanadium pentoxide into the fired powder according to a mass ratio, and grinding the primary powder of which the particle size reaches a sub-micron level again; 4) adding an organic adhesive into the primary powder, and forming into granular blanks; and 5) placing the granular blank in a sintering furnace for high-temperature sintering for several hours to form a high-temperature high-frequency low-loss ferrite material; so that the purpose of reducing power loss under high-temperature andhigh-frequency conditions is achieved.
本发明涉及铁氧体材料的技术领域，公开了高温高频低损耗的铁氧体材料的制备方法，包括以下制备步骤：1)、采用配方为52～58mol％三氧化二铁、9～13mol％氧化锌、0.5～5mol％氧化镍，31～38mol％碳酸锰混合研磨形成研磨粉料；2)、将研磨粉料在950～1050℃温度下预烧形成烧制粉料；3)、将烧制粉料按质量比加入二氧化锡、二氧化钛以及五氧化二钒，并再次研磨粉料的粒径达到亚微米级的初级粉料；4)、在初级粉料中添加有机黏合剂，成型为粒状胚料；5)、将粒状胚料放置在烧结炉中高温烧结数小时，形成高温高频低损耗铁氧体材料；达到降低高温高频条件下功率损耗的目的。
Preparation method of high-temperature, high-frequency and low-loss ferrite material
高温高频低损耗的铁氧体材料的制备方法
WANG YONG'AN (author) / ZHANG RUIQIN (author) / HE FANG (author)
2020-12-25
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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