SmCo5 permanent magnet ribbon magnet and preparation method thereof
A technology of thin strips and permanent magnets, which is applied in the manufacture of inductors/transformers/magnets, magnetic objects, magnetic materials, etc., can solve problems such as large differences in performance theoretical values, degradation of other performances, and irregularities to follow, and achieve excellent hard Magnetic properties, improving coercive force, and weakening the effect of magnetostatic coupling
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0040] Prepare the element composition formula as Sm 15.76 co 77.78 al 5.35 Cu 1.09 Fe 0.01 SmCo 5 Permanent thin strip magnet product, the thickness of the thin strip is 46μm, its intrinsic coercive force is 30.7kOe at room temperature, the residual magnetization is 55.4emu / g, and the saturation magnetization is 70.5emu / g.
[0041] The first step, raw material preparation:
[0042] According to the atomic percentage, the element composition formula is calculated as Sm 15.76 co 77.78 Al 5.35 Cu 1.09 Fe 0.01 The mass percentage of the constituent elements in the composition, weigh the required amount of component raw materials according to the mass percentage: pure Sm, pure Co, pure Al, pure Cu, pure Fe, and additionally add the pure The mass percentage of Sm is 5% pure Sm, thus completes the raw material preparation;
[0043] The second step is to melt the raw materials to prepare master alloy ingots:
[0044] Put the raw materials prepared in the first step into the...
Embodiment 2
[0051] Prepare the element composition formula as Sm 15.76 co 77.78 Al 5.35 Cu 1.09 Fe 0.01 SmCo 5 Permanent thin strip magnet product, the thickness of the thin strip is 84μm, its intrinsic coercive force is 16.2kOe at room temperature, the residual magnetization is 32.4emu / g, and the saturation magnetization is 38.2emu / g.
[0052] The first step, raw material preparation:
[0053] With embodiment 1;
[0054] The second step is to melt the raw materials to prepare master alloy ingots:
[0055] With embodiment 1;
[0056] The third step, SmCo 5 Preparation of quick-quenched ribbon:
[0057] Sm obtained in the second step 15.76 co 77.78 Al 5.35 Cu 1.09 Fe 0.01 The master alloy ingot is placed in a vacuum quenching furnace, and the furnace body is evacuated until the vacuum degree in the furnace body reaches 5×10 -2 Below Pa, then fill it with argon, re-melt the master alloy ingot by arc melting, and then quench the melt on a cooling copper roller rotating at a pe...
Embodiment 3
[0062] Prepare the element composition formula as Sm 15.76 co 77.78 Al 5.35 Cu 1.09 Fe 0.01 SmCo 5 Permanent thin strip magnet product, the thickness of the thin strip is 62μm, its intrinsic coercive force is 21.8kOe at room temperature, the residual magnetization is 46.2emu / g, and the saturation magnetization is 54.4emu / g.
[0063] The first step, raw material preparation:
[0064] With embodiment 1;
[0065] The second step is to melt the raw materials to prepare master alloy ingots:
[0066] With embodiment 1;
[0067] The third step, SmCo 5 Preparation of quick-quenched ribbon:
[0068] Sm obtained in the second step 15.76 co 77.78 Al 5.35 Cu 1.09 Fe 0.01 The master alloy ingot is placed in a vacuum quenching furnace, and the furnace body is evacuated until the vacuum degree in the furnace body reaches 5×10 -2 Below Pa, then fill it with argon, re-melt the master alloy ingot by arc melting, and then quench the melt on a cooling copper roller rotating at a pe...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com