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What is silicon metal? What are the applications?

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Update time : 2023-01-29 18:14:50

Silicon metal block, also known as crystalline silicon or industrial silicon, is a kind of industrial purified elemental silicon, can be used to produce high purity semiconductor materials, silicon metal grade up to 99.999(5N). It is mainly used in the production of organosilicon, which is used in the 3C industry, and can also be used in many ways as an additive in nonferrous alloys, such as in the manufacture of special purpose alloys.

Application of metal silicon block: (1) silicone rubber, silicone resin, silicone oil and other silicone production. High temperature resistant products, used for making medical supplies and high temperature resistant gaskets. Can be used in the production of insulating paint, high temperature resistant paint, etc. (2) manufacturing high purity semiconductor. Almost all modern integrated circuits are made of high-purity silicon metal, which is the main raw material for fiber optics. It can be said that metal silicon block has become the basic pillar industry of the information age. (3) alloy preparation. Aluminum alloy is silicon alloy containing a lot of metal silicon, silicon aluminum alloy is a strong compound deoxidizer. Replacing pure aluminum in the process of steelmaking can improve the utilization rate of deoxidizer, purify molten steel and improve the quality of steel. Aluminum alloy has low density, low coefficient of thermal expansion, good casting and wear resistance. The alloy castings with its high impact resistance, high pressure compactness, can greatly extend the service life. It is often used to make space vehicles and auto parts. Silicon-copper alloy has good welding performance and is not easy to produce sparks on impact. With explosion-proof function, can be used to make storage tank.

The intrinsic process of metallic silicon blocks requires more mixing, which is based on the principle of compressed air. Its purpose is to improve the kinetic conditions of the reaction of metal elements in the material, accelerate the slagging speed, remove impurities as soon as possible, reduce heat loss and adhesion of silicon liquid. Because there is very little silicon metal in natural ingredients, the vast majority of silicon metal in our lives is artificially processed. Silicon metal blocks have strong hardness and can be used as an important abrasive. But unlike other ordinary ground silicon, it has a variety of functions and can be applied in various fields, with high temperature resistance, heat conduction, electrical conductivity and other characteristics.

Adding metal silicon blocks into steel sheets can greatly improve the permeability of steel, reduce the hysteresis and eddy current loss, and can be used to make transformer and motor core, so as to improve the performance of transformer and motor. With the development of science and technology, the application of metal silicon blocks will be further expanded.

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