Preparation of nanocrystalline material for amorphous external layer
A technology of nanocrystalline materials and amorphous materials, applied in the field of preparation of nanocrystalline materials, can solve problems such as poor mechanical properties, fragility, inferior electrical and magnetic properties, etc.
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[0014] Example 1
[0015] The magnetic sensitive material of the present invention is prepared as follows:
[0016] (1) The choice of master alloy: the composition of the master alloy includes 36% atomic ratio of Fe, 36% atomic ratio of Co, 19.2% atomic ratio of B, 4.8% atomic ratio of Si, and 4% atomic ratio of Nb. .
[0017] (2) The amorphous alloy wire of the present invention is prepared by a single-roll rapid quenching method including the following sub-steps.
[0018] (a) Put the master alloy composed of the above atomic ratio into a quartz glass tube with a softening temperature higher than 1400.
[0019] (b) Under the protection of argon, heat the master alloy by high-frequency induction method until it melts, and continue heating to overheat.
[0020] (c) Ventilation and pressure make the molten alloy sprayed from the nozzle at the bottom of the quartz glass tube to the smooth surface of the high-speed rotating cooling roller, so that the molten alloy liquid is cooled int...
Example Embodiment
[0025] Example 2
[0026] The highly sensitive magnetic material of the present invention is prepared as follows:
[0027] (1) The choice of master alloy: The composition of the master alloy includes 56% by atomic ratio of Fe, 16% by atomic ratio of Co, 19.2% by atomic ratio of B, 4.8% by atomic ratio of Si, and 4% by atomic ratio of Nb. .
[0028] (2) The amorphous alloy wire of the present invention is prepared by a single-roll rapid quenching method including the following sub-steps.
[0029] (a) Put the master alloy composed of the above atomic ratio into a quartz glass tube with a softening temperature higher than 1400°C.
[0030] (b) Under the protection of argon, heat the master alloy by high-frequency induction method until it melts, and continue heating to overheat.
[0031] (c) Ventilation and pressure spray the molten alloy from the nozzle at the bottom of the quartz glass tube to the high-speed rotating cooling roller to cool the molten alloy liquid into an amorphous r...
Example Embodiment
[0035] Example 3
[0036] The highly sensitive magnetic material of the present invention is prepared as follows:
[0037] (1) The choice of master alloy: The composition of the master alloy includes 73.5% atomic ratio of Fe, 1% atomic ratio of Cu, 9% atomic ratio of B, 13.5% atomic ratio of Si, and 3% atomic ratio of Nb. .
[0038] (2) The amorphous alloy wire of the present invention is prepared by a single-roll rapid quenching method including the following sub-steps.
[0039] (a) Put the master alloy composed of the above atomic ratio into a quartz glass tube with a softening temperature higher than 1400°C.
[0040] (b) Under the protection of argon, heat the master alloy by high-frequency induction method until it melts, and continue heating to overheat.
[0041] (c) Ventilation and pressure spray the molten alloy from the nozzle at the bottom of the quartz glass tube into the high-speed rotating water, and cool the molten alloy liquid into an amorphous wire with a circular c...
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