Magnetic core with linear hysteresis loop
A technology of hysteresis loop and magnetic core
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Embodiment 1
[0034] A magnetic core with a linear hysteresis loop, including a magnetic core body, the magnetic core body is made of iron-based nanocrystalline soft magnetic alloy, and the iron-based nanocrystalline soft magnetic alloy is composed of the following components in atomic ratio: 72.7 parts of iron , 13.5 parts of silicon, 5.5 parts of boron, 3 parts of niobium, 1.5 parts of vanadium, 1 part of copper, 2 parts of nickel and 0.5 parts of cobalt;
[0035] The above-mentioned preparation method of a magnetic core with a linear hysteresis loop, the steps are as follows:
[0036] S1. The amorphous thin ribbon having the above-mentioned iron-based nanocrystalline soft magnetic alloy composition is prepared by the single-roller spinning method, and the casting temperature is 1420° C. when spraying the ribbon;
[0037] S2, winding the amorphous thin strip into a magnetic core;
[0038]S3. Carry out crystallization annealing treatment in a vacuum environment, keep warm at 470°C for 120...
Embodiment 2
[0041] A magnetic core with a linear hysteresis loop, including a magnetic core body, the magnetic core body is made of iron-based nanocrystalline soft magnetic alloy, and the iron-based nanocrystalline soft magnetic alloy is composed of the following components in atomic ratio: 74 parts of iron , 14.5 parts of silicon, 5.8 parts of boron, 2.3 parts of niobium, 1 part of vanadium, 1 part of copper, 1 part of nickel and 0.4 parts of cobalt;
[0042] The above-mentioned preparation method of a magnetic core with a linear hysteresis loop, the steps are as follows:
[0043] S1. The amorphous thin ribbon having the above-mentioned iron-based nanocrystalline soft magnetic alloy composition is prepared by the single-roller stripping method, and the casting temperature is 1400° C. when spraying the ribbon;
[0044] S2, winding the amorphous thin strip into a magnetic core;
[0045] S3. Carry out crystallization annealing treatment in a vacuum environment, hold at 475°C for 120 minute...
Embodiment 3
[0048] A magnetic core with a linear hysteresis loop, including a magnetic core body, the magnetic core body is made of iron-based nanocrystalline soft magnetic alloy, and the iron-based nanocrystalline soft magnetic alloy is composed of the following components in atomic ratio: 72.6 parts of iron , 15.5 parts of silicon, 7.2 parts of boron, 2.8 parts of niobium, 1.2 parts of vanadium, 1 part of copper, 0.5 parts of nickel and 0.2 parts of cobalt;
[0049] The above-mentioned preparation method of a magnetic core with a linear hysteresis loop, the steps are as follows:
[0050] S1. The amorphous thin ribbon having the above-mentioned iron-based nanocrystalline soft magnetic alloy composition is prepared by the single-roller spinning method, and the casting temperature is 1380° C. when spraying the ribbon;
[0051] S2, winding the amorphous thin strip into a magnetic core;
[0052] S3. Carry out crystallization annealing treatment in a vacuum environment, keep warm at 480°C fo...
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