A kind of preparation method of shear force thermal deformation mold and NdFeB magnet
A technology of neodymium iron boron and thermal deformation, which is applied in the direction of inductance/transformer/magnet manufacturing, magnetic objects, magnetic materials, etc., can solve the problems of reducing magnetic performance, grain growth, and magnet difficulties with large deformation and deformation, and achieves Promote grain boundary slip, improve magnetic properties, anisotropy, and magnetic property promotion effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] A kind of 0 ° inclination angle thermally deformable magnet preparation, implements according to the following steps:
[0033] The first step is to put the prepared commercial F powder into The hard alloy mold is placed in a spark plasma sintering furnace for sintering to obtain an isotropic hot-pressed magnet. The specific sintering process is as follows: the heating rate is 50-80° C. / min, the sintering temperature is 650° C. and the temperature is kept for 3 minutes, and the pressure is 300 MPa.
[0034] In the second step, take out the magnet obtained in the first step, and use wire cutting to directly cut out a 0° angle to obtain the required cylinder.
[0035] The third step is to remove impurities on the surface of the oblique cylinder, put it into a graphite mold at 0°, use spark plasma sintering, and deform the hot-pressed magnet with appropriate temperature and pressure to obtain an anisotropic hot-deformed magnet. The specific sintering process is as follow...
Embodiment 2
[0037] A kind of 5 ° inclination angle thermally deformable magnet preparation, implements according to the following steps:
[0038] The first step is to put the prepared commercial F powder into The hard alloy mold is placed in a spark plasma sintering furnace for sintering to obtain an isotropic hot-pressed magnet. The specific sintering process is as follows: the heating rate is 50-80° C. / min, the sintering temperature is 650° C. and the temperature is kept for 3 minutes, and the pressure is 300 MPa.
[0039] In the second step, take out the magnet obtained in the first step, and use wire cutting to directly cut out a 5° angle to obtain the required cylinder.
[0040]The third step is to remove impurities on the surface of the oblique cylinder, put it into a 5° graphite mold, use spark plasma sintering, and use suitable temperature and pressure to deform the hot-pressed magnet to obtain an anisotropic hot-deformed magnet. The specific sintering process is as follows: th...
Embodiment 3
[0042] A kind of 10 ° inclination angle thermally deformable magnet preparation, implements according to the following steps:
[0043] The first step is to put the prepared commercial F powder into The hard alloy mold is placed in a spark plasma sintering furnace for sintering to obtain an isotropic hot-pressed magnet. The specific sintering process is as follows: the heating rate is 50-80° C. / min, the sintering temperature is 650° C. and the temperature is kept for 3 minutes, and the pressure is 300 MPa.
[0044] In the second step, take out the magnet obtained in the first step, and use wire cutting to directly cut out a 10° angle to obtain the required cylinder.
[0045] The third step is to remove impurities on the surface of the oblique cylinder, put it into a 10° graphite mold, use spark plasma sintering, and use suitable temperature and pressure to deform the hot-pressed magnet to obtain an anisotropic hot-deformed magnet. The specific sintering process is as follows...
PUM
| Property | Measurement | Unit |
|---|---|---|
| height | aaaaa | aaaaa |
| depth | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More