SmCo4B-based permanent magnetic ribbon and preparation method thereof
A thin strip and permanent magnet technology, applied in the manufacture of inductors/transformers/magnets, magnetic materials, magnetic objects, etc., can solve the problems of not forming a high-hard magnetic phase, and the magnetic properties of thin strips need to be further improved.
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Embodiment 1
[0053] Prepare the element composition formula as SmCo 3.08 Fe 0.9 Cu 0.02 B's SmCo 4 B-based permanent magnet thin strip, the thickness of the thin strip is 49μm, its intrinsic coercivity at room temperature is 42.5kOe, remanence is 27.5emu / g, and the maximum magnetization M under a magnetic field of 90kOe 9T It is 32.6emu / g.
[0054] The first step, raw material preparation:
[0055] Calculate the element composition formula SmCo according to the atomic percentage 3.08 Fe 0.9 Cu 0.02 The mass percentage of the constituent elements in B, weigh the required amount of component raw materials according to the mass percentage: pure Sm, pure Co, pure Fe, pure Cu and pure B, additionally add the ingredients according to the above raw material ratio when batching Get pure Sm with a mass percentage of 6% of pure Sm, thus completing the preparation of raw materials;
[0056] The second step is to melt the raw materials to prepare master alloy ingots:
[0057] Put the raw mate...
Embodiment 2
[0065] Prepare the element composition formula as SmCo 3.04 Fe 0.9 Cu 0.06 B's SmCo 4 B-based permanent magnet thin strip, the thickness of the thin strip is 53μm, the intrinsic coercivity at room temperature is 44.4kOe, the remanence is 27.2emu / g, and the maximum magnetization M under the magnetic field of 90kOe 9T It is 31.3emu / g.
[0066] The first step, raw material preparation:
[0067] Calculate the element composition formula SmCo according to the atomic percentage 3.04 Fe 0.9 Cu 0.06 The mass percentage of the constituent elements in B, weigh the required amount of component raw materials according to the mass percentage: pure Sm, pure Co, pure Fe, pure Cu and pure B, additionally add the ingredients according to the above raw material ratio when batching Get pure Sm with a mass percentage of 6% of pure Sm, thus completing the preparation of raw materials;
[0068] The second step is to melt the raw materials to prepare master alloy ingots:
[0069] Put the ra...
Embodiment 3
[0077] Prepare the element composition formula as SmCo 3.0 Fe 0.9 Cu 0.1 B's SmCo 4 B-based permanent magnet thin strip, the thickness of the thin strip is 45μm, the intrinsic coercivity at room temperature is 38.7kOe, the remanence is 24.1emu / g, and the maximum magnetization M under the magnetic field of 90kOe 9T It is 25.0emu / g.
[0078] The first step, raw material preparation:
[0079] Calculate the element composition formula SmCo according to the atomic percentage 3.0 Fe 0.9 Cu 0.1 The mass percentage of the constituent elements in B, weigh the required amount of component raw materials according to the mass percentage: pure Sm, pure Co, pure Fe, pure Cu and pure B, additionally add the ingredients according to the above raw material ratio when batching Get pure Sm with a mass percentage of 6% of pure Sm, thus completing the preparation of raw materials;
[0080] The second step is to melt the raw materials to prepare master alloy ingots:
[0081] Put the raw ma...
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