Why does crater wear start at some distance from the tool tip?

1.	Why does crater wear start at some distance from the tool tip?
A.	Tool strength is minimum at that region.
B.	Cutting fluid cannot penetrate that region.
C.	Tool temperature is maximum in that region
D.	Stress on rake face is maximum at that region.
Answer» D. Stress on rake face is maximum at that region.

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Why does crater wear start at some distance from the tool tip?

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