Question

why graphite is used as lubricant?

Answer 1

graphite is a form of carbon that is used in making the `lead' of pencils. powdered graphite is used as a lubricant

Answer 2

Explanation:

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The carbon atoms are strongly bonded together in sheets. Because the bonds between the sheets are weak, graphite shows lower shearing strength under friction force. Thus it can be used as a solid lubricant and has become one of traditional and primary solid lubrication materials

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