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    Home > What is silicon steel?

    What is silicon steel?

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Silicon steel, also known as electrical steel, is a kind of steel with silicon The advantage of adding silicon to steel is to increase the resistance of electrical steel, improve the ability of magnetic field to penetrate it, and reduce the hysteresis loss of steel This steel is used in many electrical applications involving electromagnetic fields, such as transformers, solenoids and motors Although silicon in silicon steel can reduce the corrosion rate of iron, the main purpose of adding silicon is to improve the hysteresis loss of steel Hysteresis is the lag time between the full development of magnetic field and the first generation (or application) of magnetic field Adding silicon to steel makes it more efficient and faster to build and maintain magnetic fields Therefore, silicon steel can improve the efficiency and effectiveness of steel equipment such as magnetic core materials The percentage of silicon added to silicon steel varies depending on the application, up to 6.5% In some applications, such as high efficiency motors and transformers, the silicon content accounts for about 3% of the steel composition When other efficiency requirements are not high, such as some motor applications, the silicon content can be as low as 2% Although the price is more expensive than ordinary carbon steel, silicon steel with different silicon content can be produced according to special application This product is produced in the form of strips or rolls, cut to the desired shape, and heat treated to control the size of steel particles By controlling steel particles, the hysteresis loss of steel can be precisely controlled The direction of steel particles also affects their efficiency It can be improved by rotating the density to guide the particles in one direction, or not to guide and run in all directions, which can make the silicon steel cheaper After heat treatment, silicon steel is usually coated or painted to prevent future corrosion and then stacked to the required thickness These thicknesses are called laminations and may be physically connected or bonded together These stacks are used as the core of almost all modern electromagnetic devices, from the power adapter of household appliances to the transformer substation which provides power for families and enterprises.
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