Frequent question: Why can diamond cutting tools not be used to machine steel and other ferrous metals?

Although diamond tools have been widely used in cutting non-ferrous materials for high-quality mirror surfaces [71][72][73][74], it cannot be used to cut ferrous materials because of the strong chemical affinity of diamond (carbon) with iron causing excessive tool wear [75] [76] [77]. Why are diamond cutting tools not used for ferrous metals? No, the friction …

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