During machining processes plastic deformations spread in following places and cause following effects:

Question

Accepted Answer

in the material at the tip of the blade, in chips, surface near the processed area. Hardness and strength of the machined surface increases

Answer

only in the chips;  no effect on the machined surface

Answer

spread only at the  surface near the processed area;  the hardness and strength of the processed surface reduces

Answer

only at the tip of the blade in processed material; doesn't influence hardness and strength of machined surface

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