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High-performance iron-based amorphous nanocrystalline alloy thermal treatment method

A technology of nanocrystalline alloys and heat treatment methods, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of unfavorable access to high-performance alloys, achieve the effects of improving toughness and plasticity, uniform stress state, and reducing coercive force

Active Publication Date: 2019-05-07
广州金磁海纳新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a high-performance iron-based amorphous nanocrystalline alloy heat treatment method, which is used to solve the technical problem that the existing iron-based amorphous nanocrystalline alloy heat treatment process is not conducive to obtaining high-performance alloys

Method used

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  • High-performance iron-based amorphous nanocrystalline alloy thermal treatment method

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Comparison scheme
Effect test

Embodiment 1

[0032] Carry out heat treatment to iron-based amorphous nanocrystalline alloy according to the following method;

[0033] 1. Start the heating system; 2. Put iron-based amorphous nanocrystalline alloy in the furnace, and apply a compressive stress of 1MPa on the strip, and close the furnace door; 3. Vacuumize the furnace body to -0.1MPa; 4. Turn off the vacuum pump, feed high-purity nitrogen gas (99.99%) into the furnace body, and the gas flow rate is 2-5mL / s; 5. Heat from room temperature to 420 °C at a heating rate of 20 °C / min, and keep it warm for 10 minutes; cool to room temperature with the furnace Finally, the thin strip is taken out to obtain a heat-treated iron-based amorphous nanocrystalline alloy.

Embodiment 2

[0035] Carry out heat treatment to iron-based amorphous nanocrystalline alloy according to the following method;

[0036] 1. Start the heating system; 2. Put iron-based amorphous nanocrystalline alloy in the furnace, and apply a compressive stress of 5MPa on the strip, and close the furnace door; 3. Vacuumize the furnace body to -0.1MPa; 4. Turn off the vacuum pump, feed high-purity nitrogen gas (99.99%) into the furnace body, and the gas flow rate is 2-5mL / s; 5. Heating from room temperature to 420°C at a heating rate of 20°C / min, and keeping it warm for 10 minutes; 6. Cooling with the furnace After reaching room temperature, the thin strip is taken out to obtain a heat-treated iron-based amorphous nanocrystalline alloy.

Embodiment 3

[0038] Carry out heat treatment to iron-based amorphous nanocrystalline alloy according to the following method;

[0039] 1. Start the heating system; 2. Put iron-based amorphous nanocrystalline alloy in the furnace, and apply a compressive stress of 1 MPa on the strip, and close the furnace door; 3. Turn on the mechanical pump and vacuum the furnace body to -0.1 MPa; turn off the mechanical pump, feed high-purity nitrogen gas (99.99%) into the furnace body, and the gas flow rate is 2-5mL / s; 4. Heating from room temperature to 420°C at a heating rate of 20°C / min, and keeping it warm for 10min; 5. Put the obtained iron-based amorphous nanocrystalline ribbon into the magnetic field heat treatment furnace again; 6, open the mechanical pump, and vacuumize the furnace body to -0.1MPa; 7, close the mechanical pump, and feed high-purity nitrogen into the furnace body ( 99.99%) to the furnace pressure -0.05MPa; 8. Heating from room temperature to 340 °C at a heating rate of 5 °C / min; ...

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Abstract

The invention relates to the technical field of electric appliances, in particular to a high-performance iron-based amorphous nanocrystalline alloy thermal treatment method. The method comprises the following steps that 1, iron-based amorphous nanocrystalline alloy is put into a vacuum thermal treatment furnace, and meanwhile, pressure stress is applied to the iron-based amorphous nanocrystallinealloy; 2, the iron-based amorphous nanocrystalline alloy is heated; and 3, the iron-based amorphous nanocrystalline alloy subjected to thermal treatment is subjected to secondary magnetic heat treatment so that high-performance iron-based amorphous nanocrystalline alloy can be obtained. The high-performance iron-based amorphous nanocrystalline alloy thermal treatment method provided by the invention is used for solving the technical problem that high-performance alloy cannot be obtained easily through existing iron-based amorphous nanocrystalline alloy thermal treatment techniques.

Description

technical field [0001] The invention relates to the technical field of power devices, in particular to a heat treatment method for a high-performance iron-based amorphous nanocrystalline alloy. Background technique [0002] As a new generation of "double green" energy-saving materials, iron-based amorphous / nanocrystalline soft magnetic alloys have excellent soft magnetic properties, such as high saturation magnetic induction, low coercive force, high magnetic permeability, low loss, etc. , are widely used in transformers, inductors, sensors and other power electronics fields. With the continuous progress of society, due to the development and needs of computer networks, high-density recording technology, power systems and high-frequency micro-magnetic devices, it is increasingly required that various components used have high performance, high quality, small size, Lightweight, which requires the continuous improvement of performance of metal functional materials such as sof...

Claims

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Application Information

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IPC IPC(8): C21D1/773C21D1/04C21D9/52
Inventor 徐佳杨元政李美瑶
Owner 广州金磁海纳新材料科技有限公司
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