1) Carbon has excellent electrical conductivity: Carbon is used in the manufacture of brushes, particularly in electrical systems, because of its high electrical conductivity. It can efficiently transmit electrical current, making it suitable for use in applications such as electric motors, generators, and various types of electronic devices.
2) Carbon has self-lubricating properties: Another reason why carbon is used in brush manufacturing is its self-lubricating properties. Carbon is a solid lubricant, which means it can reduce friction and wear between the brush and the surface it comes in contact with. This is particularly important in brush applications where continuous sliding and contact occur, such as in electric motors, where the brushes need to smoothly glide over the commutator.
3) Carbon has excellent mechanical properties: Carbon brushes have to withstand constant friction, wear, and mechanical stress. Carbon is chosen for brush manufacturing because it has excellent mechanical properties, including high strength, low coefficient of thermal expansion, and resistance to deformation. These properties make carbon brushes durable and long-lasting, allowing them to be used in demanding applications that require continuous and heavy-duty operation.
Three reasons why carbon is used in the manufacture of brushes
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