The Properties And Application of Artificial graphite

(The Properties And Application of Artificial graphite)

In a broad sense, all graphite materials obtained by organic carbonization and graphitization high temperature treatment can be called artificial graphite, such as carbon fiber, pyrolysis carbon, foam graphite, etc. In the narrow sense, artificial graphite usually refers to a block solid material prepared by batching, kneading, molding, carbonization, and graphitization by using carbonaceous raw materials with low impurity content as aggregates and coal pitch as binders. Such as graphite electrodes, isostatic graphite, etc.

In the metallurgical industry, natural flake graphite can be used to produce refractory materials such as magnesia carbon bricks and aluminum carbon bricks due to its better oxidation resistance. Artificial graphite can be used as steel-making electrodes, while electrodes made of natural graphite are difficult to use in steel-making electric furnaces with harsher conditions.

In the machinery industry, graphite materials are commonly used as wear-resistant and lubricating materials. Natural flake graphite has good lubricity and is often used as an additive in lubricants. Piston rings, seal rings and bearings made of artificial graphite are widely used in the equipment for conveying corrosive media, and no lubricating oil is required when working. Natural graphite and polymer resin composite materials can also be used in the above fields, but the wear resistance is not as good as artificial graphite.

In the chemical industry, artificial graphite has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely used in the chemical industry to make heat exchangers, reaction tanks, absorption towers, filters and other equipment. Natural graphite and polymer resin composite materials can also be used in the above fields, but the thermal conductivity and corrosion resistance are not as good as artificial graphite.

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(The Properties And Application of Artificial graphite)