Manufacturing And Production Technology
The tool may fail due to

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

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Manufacturing And Production Technology
When the temperature of a solid metal increases,

Both strength and ductility of the metal increases
Strength of the metal decreases but ductility increases
Both strength and ductility of the metal decreases
Strength of the metal increases but ductility decreases

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