Manufacturing And Production Technology
The tool may fail due to

All of these
Plastic deformation of the cutting edge
Chipping of the cutting edge
Cracking at the cutting edge due to thermal stresses

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Manufacturing And Production Technology
In determining the various forces on the chip, Merchant assumed that the

Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece
Only continuous chip without built-up-edge is produced
Cutting velocity remains constant
All of these

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