Q54
In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
A.
Friction zone
B.
Work-tool contact zone
C.
Shear zone
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
The narrow zone surrounding the shear plane in machining is termed as primary shear zone.
The area surrounding the chip-tool contact region is called the secondary deformation zone.
This zone consists of a part of work material (uncut chip) and a part of chip.