A kind of two-component microwave ferrite material and its preparation method and application

A ferrite material and microwave technology, applied in the field of two-component microwave ferrite material and its preparation, can solve the problems of unsuitable low-field work, high saturation magnetic moment, low saturation magnetic moment, etc., and achieve a good range of use , low saturation magnetic moment, and the effect of small resonance linewidth

Active Publication Date: 2022-05-20
HENGDIAN GRP DMEGC MAGNETICS CO LTD
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  • Description
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Problems solved by technology

[0008] The above patents provide microwave ferrite materials with different characteristics, but the saturation magnetic moment is high, which is not suitable for low-field work. Therefore, it is necessary to further improve the performance of microwave ferrite materials to provide a low-loss Microwave ferrite materials with low saturation magnetic moment, low line width and high Curie temperature have become a trend

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  • A kind of two-component microwave ferrite material and its preparation method and application

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Embodiment 1

[0119] This embodiment provides a method for preparing a two-component microwave ferrite material. The two-component microwave ferrite material includes a first microwave ferrite material and a second microwave ferrite material.

[0120] The first microwave ferrite material is: Y (3-2a-c-d-e) Ca (2a+c+d+e) Fe (5-a-b-c-d-e) V a Al b Zr c sn d mn e o 12 , where a=0.35, b=0.15, c=0.2, d=0.1, e=0.04;

[0121] The second microwave ferrite material is Gd (3-2A-C-D) Ca (2A+C+D) Fe (5-A-B-C-D-E) V A Al B Ge C In D Ti E o 12 , where A=0.35, B=0.05, C=0.1, D=0.1, E=0.05.

[0122] The preparation method of the two-component microwave ferrite material comprises the following steps:

[0123] (1) Evenly mix the first microwave ferrite material and the second microwave ferrite material according to the mass ratio of 1:1 to obtain the preparation raw material; then prepare the raw material, zirconium ball and deionized water according to the mass ratio of 1:4: 1 mixed, and ...

Embodiment 2

[0134] This embodiment provides a method for preparing a two-component microwave ferrite material. The two-component microwave ferrite material includes a first microwave ferrite material and a second microwave ferrite material.

[0135] The first microwave ferrite material is: Y (3-2a-c-d-e) Ca (2a+c+d+e) Fe (5-a-b-c-d-e) V a Al b Zr c In d mn e o 12 , where a=0.25, b=0.25, c=0.1, d=0.2, e=0.05,;

[0136] The second microwave ferrite material is Gd (3-2A-C-D) Ca (2A+C+D) Fe (5-A-B-C-D-E) V A Al B Ge C In D Ti E o 12 , where A=0.25, B=0.05, C=0.2, D=0.3, E=0.1.

[0137] The preparation method of the two-component microwave ferromagnetic material comprises the following steps:

[0138] (1) Uniformly mix the first microwave ferrite material and the second microwave ferrite material according to the mass ratio of 1:3 to obtain the preparation raw material; then prepare the raw material, zirconium ball and acetone according to the mass ratio of 1:7:1.3 Mix, carry ...

Embodiment 3

[0149] This embodiment provides a method for preparing a two-component microwave ferrite material. The two-component microwave ferrite material includes a first microwave ferrite material and a second microwave ferrite material.

[0150] The first microwave ferrite material is: Y (3-2a-c-d-e) Ca (2a+c+d+e) Fe (5-a-b-c-d-e) V a al b Zr c sn d mn e o 12 , where a=0.3, b=0.2, c=0.05, d=0.25, e=0.1;

[0151] The second microwave ferrite material is Gd (3-2A-C-D) Ca (2A+C+D) Fe (5-A-B-C-D-E) V A al B Ge C In D Ti E o 12 , where A=0.1, B=0.3, C=0.05, D=0.5, E=0.2.

[0152] The preparation method of the two-component microwave ferromagnetic material is as follows:

[0153] (1) Uniformly mix the first microwave ferrite material and the second microwave ferrite material according to the mass ratio of 1:1 to obtain the preparation raw material; then prepare the raw material, zirconium ball and n-propanol according to the mass ratio of 1:6 : 1.4 mixing, carrying out 60...

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Abstract

The invention provides a two-component microwave ferrite material and its preparation method and application. The two-component microwave ferrite material includes a first microwave ferrite material and a second microwave ferrite material. The two-component microwave ferrite material can be applied to microwave communication devices. The preparation method comprises the following steps: (1) mixing the first microwave ferrite material and the second microwave ferrite material according to the formula amount, and then performing wet ball milling to obtain ball mill material; (2) drying the obtained product in step (1) The ball grinding material is granulated after sieving; (3) the granulated particles obtained in the step (2) are sequentially formed and sintered to obtain a two-component microwave ferrite material. After testing, the obtained ferromagnetic resonance linewidth △H≤18Oe, saturation magnetic moment 4πMs≤1260Gs, dielectric loss tgδ e ≤2×10 ‑4 , Curie temperature T c ≥260°C, its stability and reliability are greatly improved, which is more conducive to industrial production.

Description

technical field [0001] The invention relates to the field of microwave communication magnetic materials, in particular to a two-component microwave ferrite material and its preparation method and application. Background technique [0002] Microwave ferrite devices occupy an important position in microwave technology and are widely used in aerospace, satellite communications, electronic countermeasures, mobile communications, and medical treatment. As the core of the device, microwave ferrite materials are widely used in microwave ferrite circulator isolators. In the microwave system, the technical processing of the isolation of microwave transmission is realized. [0003] With the rapid development of microwave technology, the system has more and more urgent requirements for the miniaturization of components, and the volume of ferrite components is much higher than other components, so the task of miniaturization and light weight is particularly important. [0004] There a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/40C04B35/622
CPCC04B35/2633C04B35/2641C04B35/622C04B2235/3225C04B2235/3208C04B2235/3274C04B2235/3239C04B2235/3217C04B2235/3244C04B2235/3262C04B2235/3293C04B2235/3224C04B2235/3287C04B2235/3286C04B2235/3232
Inventor 王媛珍杜阳忠张利康吕飞雨
Owner HENGDIAN GRP DMEGC MAGNETICS CO LTD
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