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Metal soft magnetic component storage anticorrosion liquid and its preparation method and component storage method

The technology of metal soft magnetic and anti-corrosion liquid is applied in the storage field of metal soft magnetic materials, which can solve the problems of weak bonding force, unevenness, and reduced magnetic properties of the covering layer, and achieves the effects of good stability, simple operation and low cost.

Active Publication Date: 2017-08-11
重庆文童机电有限责任公司
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Problems solved by technology

[0005] In order to solve the problems existing in the storage and anticorrosion methods of metal soft magnetic components such as weak bonding force, inhomogeneity or micropores in the covering layer, and the obvious decrease in magnetic properties caused by the addition of alloy elements, the present invention proposes a metal soft magnetic component storage Anti-corrosion liquid, preparation method and component storage method

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  • Metal soft magnetic component storage anticorrosion liquid and its preparation method and component storage method

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[0020] The metal soft magnetic element storage anticorrosion liquid of the present invention is composed of 0.3-0.6% by weight of trisodium phosphate, 0.8-1.4% of sodium nitrite, 0.3-0.7% of sodium carbonate, 0.3-1.2% of glycerin, and the balance is water; The pH of the solution is 8.0-9.0. Among them, trisodium phosphate exists in the medium as a corrosion inhibitor in an appropriate concentration and form, which can prevent or slow down the corrosion of metal soft magnetic components. In addition, it also has the function of penetration and emulsification, which can increase the wettability of water. Sodium nitrite has reducing properties, absorbs oxygen in water and air, oxidizes to sodium nitrate, and prevents metal soft magnetic components from being oxidized. Sodium carbonate can automatically adjust the pH value of the preservative solution after sodium nitrite is oxidized to sodium nitrate. Glycerin can enclose water, prevent volatilization, and itself is not easy to ...

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Abstract

In order to solve the problems existing in the storage and anticorrosion methods of metal soft magnetic components such as weak bonding force, inhomogeneity or micropores in the covering layer, and the obvious decrease in magnetic properties caused by the addition of alloy elements, the present invention proposes a metal soft magnetic component storage The antiseptic solution and its preparation method and component storage method are composed of 0.3-0.6% by weight of trisodium phosphate, 0.8-1.4% of sodium nitrite, 0.3-0.7% of sodium carbonate, 0.3-1.2% of glycerin, and the balance is water; The pH of the solution is 8.0-9.0. The beneficial technical effect of the metal soft magnetic element storage anticorrosion liquid, the preparation method and the element storage method of the present invention is that the metal soft magnetic element can be stored for a long time without being corroded without affecting the magnetic properties of the metal soft magnetic element. Moreover, it can be stored in large quantities, and has the advantages of simple operation, low cost and good stability.

Description

technical field [0001] The invention relates to the storage technology of metal soft magnetic materials, in particular to a storage anticorrosion liquid for metal soft magnetic components, a preparation method and a component storage method. Background technique [0002] With the rapid development of my country's aerospace industry, the performance requirements of materials are getting higher and higher, especially the magnetic materials used in the control system, which are required to have high magnetic properties and high precision in size and shape. And high stability and reliability. Metal soft magnetic materials such as pure iron, Fe-Ni, and Fe-Co series, because of their high magnetic properties, are widely used as rotors for hysteresis motors, gyroscopes for navigation, and gyroscopes that work in medium magnetic fields. Various transformers, relays, electromagnetic clutches and iron cores of DC motors are important magnetic functional components in the aerospace fie...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/18
Inventor 李春红陈登明
Owner 重庆文童机电有限责任公司
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