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How can graphite be an abrasive and a lubricant? (discuss.tchncs.de)

submitted 2 years ago by [email protected] to c/[email protected]

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Graphite is normally very soft and slippery, and is even able to act as a dry lubricant when finely powdered, however many sources claim that graphite powder can be highly abrasive, to the point of potentially destroying milling machines. Does anyone know how such a soft material can abrade metals?

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