High-iron low-copper samarium-cobalt permanent magnet material and preparation method thereof
A permanent magnet material and high-speed iron technology, applied in the direction of magnetic material, inductor/transformer/magnet manufacturing, magnetic objects, etc., can solve the problems of comprehensive magnetic performance reduction, coercive force deterioration, etc., achieve short aging time and improve powder output efficiency , The effect of reducing manufacturing costs
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Embodiment 1
[0030] Raw materials: samarium, cobalt, iron, copper, zirconium
[0031] The mass percentages of the above raw materials are compounded: 24.5% of samarium, 46% of cobalt, 25% of iron, 2% of copper and 2.5% of zirconium.
[0032] The specific preparation method is as follows:
[0033] Step 1: Batching and Melting
[0034] Put samarium, cobalt, iron, copper, and zirconium in a certain order into the crucible of the vacuum quick-setting belt furnace, and the order of stacking from bottom to top is: cobalt-zirconium-iron-copper- samarium. After vacuum smelting, refining and heat preservation, it is poured on a water-cooled copper roller, and after cooling, a quick-setting strip sheet is obtained. The rotational speed of the copper roller is controlled at 30 rpm, and the average thickness of the strip strip produced is 1 mm.
[0035] Step 2: Homogenization
[0036]The quick-setting fling strips were vacuum-insulated in a vacuum furnace, the homogenization treatment temperature...
Embodiment 2
[0044] Raw materials: samarium, cobalt, iron, copper, zirconium
[0045] The mass percentages of the above raw materials are compounded: 25.2% of samarium, 44% of cobalt, 26% of iron, 2.3% of copper and 2.5% of zirconium.
[0046] The specific preparation method is as follows:
[0047] Step 1: Batching and Melting
[0048] Put samarium, cobalt, iron, copper, and zirconium in a certain order into the crucible of the vacuum quick-setting belt furnace. The order of stacking from bottom to top is: cobalt-zirconium-iron-copper- samarium. After vacuum smelting, refining and heat preservation, it is poured on a water-cooled copper roller, and after cooling, a quick-setting strip sheet is obtained. The rotational speed of the copper roller was controlled at 28 rpm, and the average thickness of the strip strip produced was 1.2mm.
[0049] Step 2: Homogenization
[0050] The quick-setting fling strips are vacuum-insulated in a vacuum furnace, the homogenization treatment temperatur...
Embodiment 3
[0058] Raw materials: samarium, cobalt, iron, copper, zirconium
[0059] The mass percentages of the above raw materials are compounded: 25% of samarium, 42% of cobalt, 28% of iron, 2.5% of copper and 2.5% of zirconium.
[0060] The specific preparation method is as follows:
[0061] Step 1: Batching and Melting
[0062] Put samarium, cobalt, iron, copper, and zirconium in a certain order into the crucible of the vacuum quick-setting belt furnace. The order of stacking from bottom to top is: cobalt-zirconium-iron-copper- samarium. After vacuum smelting, refining and heat preservation, it is poured on a water-cooled copper roller, and after cooling, a quick-setting strip sheet is obtained. The rotational speed of the copper roller was controlled at 25 rpm, and the average thickness of the strip sheet was 1.5 mm.
[0063] Step 2: Homogenization
[0064] The quick-setting fling strips are vacuum-insulated in a vacuum furnace, the homogenization treatment temperature is 980 °...
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