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Ni-Zn soft-magnetic ferrite material, Ni-Zn ferrite, preparation method thereof and electrical inductance

A soft ferrite and ferrite technology, applied in the field of soft magnetic materials, can solve the problems of ferrite thermal shock and high DC bias, etc., and achieve excellent thermal shock performance, optimized adjustment, and excellent strength. and thermal shock resistance

Inactive Publication Date: 2016-10-05
SHENZHEN ZHENHUA FU ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to overcome the above-mentioned deficiency of prior art, provide a kind of nickel-zinc soft magnetic ferrite material, NiZn ferrite and NiZn ferrite preparation method prepared by nickel-zinc soft magnetic ferrite material of the present invention and contain the present invention Inductance of NiZn ferrite to solve the problem that the existing NiZn ferrite cannot meet the requirements of thermal shock resistance and high DC bias for ferrite heat with ultra-thin and miniaturized inductors

Method used

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  • Ni-Zn soft-magnetic ferrite material, Ni-Zn ferrite, preparation method thereof and electrical inductance
  • Ni-Zn soft-magnetic ferrite material, Ni-Zn ferrite, preparation method thereof and electrical inductance
  • Ni-Zn soft-magnetic ferrite material, Ni-Zn ferrite, preparation method thereof and electrical inductance

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preparation example Construction

[0043] Correspondingly, on the basis of the nickel-zinc soft ferrite material of the embodiment of the present invention described above, the embodiment of the present invention also provides a method for preparing NiZn ferrite, the process flow is as follows figure 1 shown. The method comprises the steps of:

[0044] Step S01. Weighing the raw material of the nickel-zinc soft ferrite material: Weighing each component respectively according to the main material and the auxiliary material contained in the nickel-zinc soft ferrite material in the above-mentioned invention embodiment;

[0045] Step S02. Perform pre-sintering treatment after mixing the main material components: perform pre-sintering treatment after mixing the main material according to the proportion of the components contained therein;

[0046] Step S03. Performing ball milling treatment on the pre-sintered main material and auxiliary materials: performing wet ball milling after mixing the pre-sintered main mate...

Embodiment 1

[0067] A nickel-zinc soft ferrite material, the nickel-zinc soft ferrite material includes main materials and auxiliary materials, wherein,

[0068] Based on the total mole of the nickel-zinc soft ferrite material as 100%, the main material includes the following mole percentage components:

[0069] Fe 2 o 3 49.42mol%, ZnO 24.12mol%, NiO 20.90mol%, CuO 5.52mol%;

[0070] Based on the total weight of the nickel-zinc soft ferrite material as 100%, the auxiliary material includes the following components in weight percentage:

[0071] 0.16 wt% Bi 2 o 3 , 0.1wt% Co 2 o 3 , 0.01wt% V 2 o 5 .

Embodiment 2

[0073] A nickel-zinc soft ferrite material, the nickel-zinc soft ferrite material includes main materials and auxiliary materials, wherein,

[0074] Based on the total mole of the nickel-zinc soft ferrite material as 100%, the main material includes the following mole percentage components:

[0075] Fe 2 o 3 49.58mol%, ZnO 24.05mol%, NiO 20.83mol%, CuO 5.50mol%;

[0076] Based on the total weight of the nickel-zinc soft ferrite material as 100%, the auxiliary material includes the following components in weight percentage:

[0077] 0.16 wt% Bi 2 o 3 , 0.2wt% Co 2 o 3 , 0.01wt% V 2 o 5 .

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Abstract

The invention discloses a nickel-zinc soft ferrite material, a NiZn ferrite, a preparation method thereof and an inductor. The nickel-zinc soft magnetic ferrite material includes the main material of the following mole percentage components: Fe 2 o 3 45~55mol%, ZnO 15~25mol%, NiO 19~25mol%, CuO 4.5~6.5mol%; including the following components and auxiliary materials in weight percentage: Bi 2 o 3 0~0.8wt%, Co 2 o 3 0~0.5wt%, V 2 o 5 0-0.05wt%. The NiZn ferrite of the present invention is prepared by using the nickel-zinc soft magnetic ferrite material of the present invention, and the inductor of the present invention contains the NiZn ferrite of the present invention. The nickel-zinc soft magnetic ferrite material, NiZn ferrite and inductor of the invention have excellent strength, thermal shock resistance and high Bs characteristics.

Description

technical field [0001] The invention belongs to the technical field of soft magnetic materials, and in particular relates to a nickel-zinc soft magnetic ferrite material, a NiZn ferrite, a preparation method thereof, and an inductor. Background technique [0002] As an important class of soft ferrite materials, NiZn ferrite is widely used in the fields of communication, network, power supply and consumer electronics due to its high resistivity, good high-frequency characteristics and low loss tangent. An important basic functional material for the information industry. [0003] At present, during the actual service of NiZn ferrite, on the one hand, thermal stress is generated inside the material due to temperature changes in the working environment or self-heating, etc. When the thermal stress exceeds the strength of the material itself, cracks will initiate inside the material, resulting in failure occurs, which seriously affects the application reliability of ferrite devi...

Claims

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Application Information

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IPC IPC(8): C04B35/26C04B35/622H01F1/36
Inventor 周鹏欧阳晨鑫徐晓燕黄伟浩朱建华高永毅白芳玉
Owner SHENZHEN ZHENHUA FU ELECTRONICS
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