It increased significantly to 75.613 N m-2 at 40°. There was no significant difference among means for 15° and 20°. For the knife edge angle of 15°, the mean of the cutting energy was 0.179 J m-2, and it increased to 0.471 J m-2 at 40°.
It increased significantly to 75.613 N m-2at 40°. There was no significant difference among means for 15° and 20°. For the knife edge angle of 15°, the mean of thecutting energy was 0.179 J m-2, and it increased to 0.471 J m-2at 40°.