Unlock instant, AI-driven research and patent intelligence for your innovation.

High-Tc high-frequency ultralow-loss soft-magnetic ferrite material, and preparation method thereof

A soft ferrite, high-frequency technology, applied in the direction of inductance/transformer/magnet manufacturing, magnetic core manufacturing, inorganic material magnetism, etc., can solve the problems of low applicable frequency, large core power loss, and insufficient Curie point. Achieve the effect of miniaturization

Active Publication Date: 2019-10-15
日照亿鑫电子材料有限公司
View PDF11 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technical requirements show that the conventional Fe 2 o 3 , Mn 3 o 4 , ZnO as the main component of the soft ferrite material and the power loss of the magnetic core is still relatively large, the applicable frequency is also low, and the Curie point is not high enough

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-Tc high-frequency ultralow-loss soft-magnetic ferrite material, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] a high T c The high-frequency ultra-low loss soft ferrite material and its preparation method include main components and additive components. Both the main component and the first additive are chemically pure raw materials with commercially available purity, including the following components by weight:

[0022] Fe 2 o 3 142 kg, Mn 3 o 4 45 kg, ZnO 13 kg;

[0023] CaCO 3 180g, CoO 380g, Cr 2 o 3 320g;

[0024] The second additive composition except SiO 2 Except for the particle size of 50nm~100nm, the rest are commercially available and chemically pure raw materials, including the following doping components:

[0025] Y 2 o 3 20g, Nd 2 o 3 6g, SiO 2 40g, V 2 o 5 50g;

[0026] a high T c A high-frequency ultra-low loss soft ferrite material and a preparation method thereof, comprising the following steps:

[0027] (1) The primary ingredient is configured according to the above mass and weighs 200kg of the main component Fe 2 o 3 , Mn 3 o 4...

Embodiment 2

[0034] a high T c The high-frequency ultra-low loss soft ferrite material and its preparation method include main components and additive components. Both the main component and the first additive are chemically pure raw materials with commercially available purity, including the following components by weight:

[0035] Fe 2 o 3 142 kg, Mn 3 o 4 45 kg, ZnO 13 kg;

[0036] CaCO 3 180g, CoO 380g, Cr 2 o 3 320g;

[0037] The second additive composition except SiO 2 Except for the particle size of 50nm~100nm, the rest are commercially available and chemically pure raw materials, including the following doping components:

[0038] Y 2 o 3 20g, Nd 2 o 3 8g, SiO 2 40g, V 2 o 5 50g;

[0039] a high T c A method for preparing a high-frequency ultra-low loss soft ferrite material, comprising the following steps:

[0040] (1) The primary ingredient is configured according to the above mass and weighs 200kg of the main component Fe 2 o 3 , Mn 3 o 4 and ZnO, ...

Embodiment 3

[0047] a high T c The high-frequency ultra-low loss soft ferrite material and its preparation method include main components and additive components. Both the main component and the first additive are chemically pure raw materials with commercially available purity, including the following components by weight:

[0048] Fe 2 o 3 142 kg, Mn 3 o 4 45 kg, ZnO 13 kg;

[0049] CaCO 3 180g, CoO 380g, Cr 2 o 3 320g;

[0050] Except for SiO2, which has a particle size of 50nm~100nm, the second additive components are all commercially available and chemically pure raw materials, including the following doping components:

[0051] Y 2 o 3 20g, Nd 2 o 3 10g, SiO 2 40g, V 2 o 5 50g;

[0052] a high T c A high-frequency ultra-low loss soft ferrite material and a preparation method thereof, comprising the following steps:

[0053] (1) The primary ingredient is configured according to the above mass and weighs 200kg of the main component Fe 2 o 3 , Mn 3 o 4 and ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle sizeaaaaaaaaaa
core lossaaaaaaaaaa
Login to View More

Abstract

The invention relates to a high-Tc high-frequency ultralow-loss soft-magnetic ferrite material, and a preparation method thereof. The high-Tc high-frequency ultralow-loss soft-magnetic ferrite material is prepared through following steps: 140 to 146 parts of Fe2O3, 39 to 48 parts of Mn3O4, and 8 to 15 parts of ZnO are taken as main raw materials; in a first time, trace amounts of CaCO3, CoO, and Cr2O3 are added; in a second time, trace amounts of Y2O3, Nd2O3, SiO2, and V2O5 are added; and solid phase method is adopted, material blending, sand milling, doping, granulation, moulding, and atmosphere sintering are carried out so as to obtain the magnetic core material high in Curie point and frequency, and ultra low in loss. The Tc of the material is as high as 310 DEG C, and under 100 DEG C,1MHz, 30mT conditions, tested power loss is lower than 100kW / m3. The preparation method is low in energy consumption, is green, is friendly to the environment, is excellent in comprehensive performance, and is capable of satisfying large power switch power supply core technology requirements of inverter welding machines, communication power supplies, and aviation large power supplies.

Description

technical field [0001] The present invention relates to a kind of soft magnetic ferrite material, specifically a kind of high T c High-frequency ultra-low loss soft ferrite material and its preparation method. Background technique [0002] Soft ferrite is the basic material of IT industry and electronics industry. The industrially produced soft magnetic ferrite materials are currently mainly divided into manganese zinc ferrite, nickel zinc ferrite and copper zinc ferrite, among which manganese zinc ferrite has the largest output. With the development of electronic science and information technology, manganese zinc soft magnetic ferrite has become an extremely important magnetic material for electronic components, because of its high initial permeability, high saturation magnetic flux density, low coercive With excellent characteristics such as high strength and low power loss, manganese zinc soft ferrite is widely used in electronic devices such as communication technology...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/38C04B35/40C04B35/622C04B35/626H01F1/36H01F41/00H01F41/02
CPCC04B35/2633C04B35/2641C04B35/265C04B35/622C04B35/6261C04B2235/3208C04B2235/3225C04B2235/3239C04B2235/3241C04B2235/3263C04B2235/3275C04B2235/3284C04B2235/3418C04B2235/5445C04B2235/6562C04B2235/6565C04B2235/6567C04B2235/6585H01F1/36H01F41/00H01F41/0206
Inventor 廖继红钟志成屈少华瞿山夏清华
Owner 日照亿鑫电子材料有限公司