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Properties and advantages of graphite
is a kind of carbonized material and has many advantages such as high-temperature resistance, corrosion resistance, electrical conductivity, heat conduction, lubrication, low surface energy, lightweight, and high carbonization yield.
General-purpose of graphite
It is widely used in the fields of metallurgy, chemical industry, machinery, electronics, aerospace, national defense and military industry. Graphite is made into refractory materials, casting materials, lubricants, brake linings, pencil leads, carbon brushes, batteries, expanded graphite and other materials.
Several important uses of graphite?
In the smelting industry, graphite is used to make graphite crucibles, as protective agents for steel ingots, and as magnesia-carbon bricks for the lining smelting furnaces.
2. Conductive materials
In the electrical industry, graphite is used as electrodes, brushes, electric rods, carbon nanotubes, and coatings for television picture tubes.
3. Wear-resistant materials and lubricants
In much mechanical equipment, graphite is used as a wear-resistant and lubricating material, which can slide at a speed of 100 meters per second within a temperature of -200~2000, which can make the equipment useless or less lubricating oil.
4. Sealing material
Use flexible graphite to make centrifugal pumps, water turbines, steam turbines, and piston ring gaskets and seals for transporting corrosive media or equipment.
5. Corrosion-resistant materials
Utensils, pipes and equipment made of graphite are resistant to corrosion by various corrosive gases and liquids and are widely used in equipment in the fields of petroleum, chemical industry, and hydrometallurgy.
6. Heat insulation, high-temperature resistance and radiation protection material
Graphite can be used as a neutron moderator in nuclear reactors and rocket nozzles, missile nose cones, aerospace equipment parts, thermal insulation materials, radiation materials, etc.
Graphite’s high value-added application product types
With the continuous innovation of science and technology, graphite high value-added products are gradually being created. For example, expanded graphite, isotropic graphite, fluorinated graphite, spherical graphite for lithium-ion batteries, metal or graphite composite materials have been widely used in energy conservation and environmental protection, new energy, new-generation information technology, new energy vehicles, high-end equipment manufacturing, Most strategic emerging industries such as biology. Generally speaking, almost all important development directions are inseparable from graphite.
Graphite represents the types and applications of graphene products
The current research on
has also achieved a major breakthrough. Products such as high-purity graphite, nuclear graphite, fluorinated graphite, silicon-impregnated graphite, graphite derivatives or graphite composites have been mass-produced at home and abroad, and are widely used in environmental protection, High-tech industries such as nuclear industry, electronics and semiconductors.
Physicists use graphene to generate clean, unlimited power generation circuits
A team of physicists at the University of Arkansas has successfully developed a circuit that can capture the thermal motion of graphene and convert it into an electric current. The graphene-based energy harvesting circuit will be integrated into the chip to provide a clean, unlimited low-voltage power supply for small devices or sensors.
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