Manufacturing method of ferrite material, ferrite core and burnt furnace system
A technology of ferrite material and manufacturing method, which is applied in the fields of inorganic material magnetism, lighting and heating equipment, etc., can solve the problems of deviation, different firing conditions, and reduced characteristics of Mn-Zn ferrite.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0052] As the raw material of the main component, Fe 2 o 3The raw material powder of 56.1 mol% in conversion, 36.3 mol% in conversion of MnO, and 7.6 mol% in conversion of ZnO was wet-mixed and calcined at 850 degreeC for 3 hours. Then, predetermined subcomponents are added to the calcined powder, followed by pulverization to obtain a pulverized powder having an average particle diameter of 0.5 to 2 μm. The obtained powder contains the following components as auxiliary components, that is, SiO 2 Converted to 100ppm, converted to CaO to 550ppm, converted to Nb 2 o 5 Converted to 250ppm, based on ZrO 2 100ppm in conversion, 12000ppm in NiO conversion, and 1000ppm in CoO conversion. A binder is added to the pulverized powder, and the powder is granulated and molded to obtain a molded body 100 in the shape of a spiral tube.
[0053] The obtained molded body 100 was heated up to 1350° C. according to the temperature profile shown in FIG. 3 , and fired at this temperature for ...
Embodiment 2
[0075] Next, the effect of heating the ambient gas supplied from the side surface of the setter 20 will be confirmed.
[0076] In this regard, as in Example 1, the supply of ambient gas from the side of the setter 20 is carried out throughout the firing process. At this time, in Example 14, the supplied atmosphere gas is heated to 1000° C. In Example 15, firing was performed without heating the atmosphere gas.
[0077] Then, the shrinkage ratio (shrinkage ratio with respect to the compact 100 before firing) and the core loss of the obtained ferrite core were measured. In Examples 14 and 15, among the setters 20 stacked in five stages, the ferrite cores fired on the corners of the setters 20 mounted on the uppermost stage, and the setters 20 mounted on the middle stage The ferrite core on the central portion of the , and the ferrite core mounted on the corner of the lowermost feeder 20 were measured for shrinkage and core loss, and their average value and deviation (R) were ob...
Embodiment 3
[0081] As the raw material of the main component, Fe 2 o 3 The raw material powder of 53.1 mol% in conversion, 25.9 mol% in conversion of MnO, and 21.0 mol% in conversion of ZnO was wet-mixed and calcined at 850 degreeC for 3 hours. Then, predetermined subcomponents are added to the calcined powder, followed by pulverization to obtain a pulverized powder having an average particle diameter of 0.5 to 2 μm. The obtained powder contains the following components as auxiliary components, that is, SiO 2Converted to 80ppm, converted to CaO to 250ppm, converted to Nb 2 o 5 Converted to 60ppm, with Bi 2 o 3 Converted to 400ppm, converted to MoO to 300ppm. A binder is added to the pulverized powder, and the powder is granulated and molded to obtain a molded body 100 in the shape of a spiral tube.
[0082] The obtained molded body 100 was heated up to 1350° C. according to the temperature profile shown in FIG. 3 , and fired at this temperature for 7 hours to produce a ferrite core...
PUM
| Property | Measurement | Unit |
|---|---|---|
| The average particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More