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asked by (215k points)
Diamond cutting tools are not recommended for machining of ferrous metal due to

(a) High tool hardness

(b) High thermal conductivity of work material

(c) Poor tool toughness

(d) Chemical affinity of tool material with iron

1 Answer

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answered by (140 points)
It's d because above 750degree carbon from ferrous tries to combine with diamonds carbon.
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