Wide-temperature ultralow-loss manganese zinc ferrite material and preparation method thereof

A manganese-zinc ferrite and ultra-low technology are applied in the field of wide-temperature and ultra-low loss manganese-zinc ferrite materials and their preparation, and can solve the problems of high and low temperature loss.

Pending Publication Date: 2021-06-25
贵州正业龙腾新材料开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a wide temperature ultra-low loss manganese-zinc ferrite material and its preparation method to solve the problem that the manganese-zinc soft magnetic ferrite material in the prior art can achieve low temperature in a wide temperature range. Power loss, but its high and low temperature losses are higher than 310kW / m 3 And other issues

Method used

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  • Wide-temperature ultralow-loss manganese zinc ferrite material and preparation method thereof
  • Wide-temperature ultralow-loss manganese zinc ferrite material and preparation method thereof
  • Wide-temperature ultralow-loss manganese zinc ferrite material and preparation method thereof

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Embodiment 1

[0039] A wide-temperature ultra-low loss manganese-zinc ferrite material and a preparation method thereof. It is composed of main components and auxiliary components, among which, the main component and its content are calculated as the percentage of oxides: Fe 2 o 3 is 50.55mol%, ZnO is 11.05mol%, and the rest is MnO, the total amount of the main component formula is 100%; the auxiliary components by accounting for the total weight of the main component are: CaO 450ppm, ZrO 2 250ppm, Co 2 o 3 4000ppm, SiO 2 30ppm, Nb 2 o 5 300ppm, SnO 2 550ppm.

[0040] The specific preparation process of the soft magnetic ferrite material is:

[0041] The specific preparation process of the soft magnetic ferrite material is:

[0042](3) Batching vibrating mill mixing: weigh according to the ratio of the main components of the raw materials, put each raw material into a vibrating mill and vibrate milling and mixing, and the mixing time is 0.8 hours;

[0043] (4) Pre-burning: pre-...

Embodiment 2

[0058] A wide-temperature ultra-low loss manganese-zinc ferrite material and a preparation method thereof. It is composed of main components and auxiliary components, among which, the main component and its content are calculated as the percentage of oxides: Fe 2 o 3 is 50.95mol%, ZnO is 10.85mol%, and the rest is MnO, the total amount of the main component formula is 100%; the auxiliary components by accounting for the total weight of the main component are: CaO 400ppm, ZrO 2 200ppm, Co 2 o 3 3800ppm, SiO 2 40ppm, Nb 2 o 5 250ppm, SnO 2 250ppm, TiO 2 300ppm.

[0059] The specific preparation process of the soft magnetic ferrite material is:

[0060] The specific preparation process of the soft magnetic ferrite material is:

[0061] (5) Batching vibration grinding mixing: weigh according to the ratio of the main components of the raw materials, put each raw material into the vibration grinding machine and mix the mixing, the mixing time is 0.6 hours;

[0062] (6) ...

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Abstract

The invention discloses a wide-temperature ultralow-loss manganese zinc ferrite material and a preparation method thereof. The wide-temperature ultralow-loss manganese zinc ferrite material is prepared from main components and auxiliary components, the main components comprise the following components in percentage by oxide: 50-52 mol% of Fe2O3, 10-12 mol% of ZnO and the balance of MnO, and the total amount of the formula of the main components is 100%; according to the total weight of the main components, the auxiliary components are any five or a combination of more than five of 200 to 600 ppm of CaO, 200 to 400 ppm of ZrO2, 3000 to 10000 ppm of Co2O3, 20 to 100 ppm of SiO2, 200 to 400 ppm of Nb2O5, 400 ppm to 800 ppm of SnO2 and 300 to 600 ppm of TiO2; the problem that the high and low temperature loss of the manganese-zinc soft magnetic ferrite material in the prior art is higher than 310 kW / m < 3 > is solved.

Description

technical field [0001] The invention belongs to the technical field of preparation of soft magnetic ferrite materials, in particular to a manganese-zinc ferrite material with wide temperature and ultra-low loss and a preparation method thereof. Background technique [0002] Soft magnetic ferrite material is one of the main materials in electronic components, and is the main accessory of various electronic products, whether it is consumer home appliances, or industrial products such as computers, communication equipment, and automobiles. It is also widely used in emerging industries such as 5G communication, artificial intelligence, new energy vehicles, Internet of Things, and green energy. [0003] Wide-temperature low-loss manganese-zinc soft magnetic ferrite materials are mainly used as switching power supplies in electronic equipment. The development of electronic equipment to miniaturization and light weight also promotes the development of switching power supplies for e...

Claims

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Application Information

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IPC IPC(8): C04B35/26C04B35/622
CPCC04B35/2658C04B35/622C04B2235/3208C04B2235/3244C04B2235/3275C04B2235/3251C04B2235/3232C04B2235/3293C04B2235/6567C04B2235/6562C04B2235/6565C04B2235/77
Inventor 欧阳昌伟王翔杨军梁烛沈志平代礼彬贺贤举聂矗夏锐倪凯凯
Owner 贵州正业龙腾新材料开发有限公司
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