Research Article

Rake Angle Effect on a Machined Surface in Orthogonal Cutting of Graphite/Polymer Composites

Figure 6

Effective stress contours in cutting zone and predicted crack propagation paths (the stresses in the vicinity of the tool tip just reach tension strength) at rakes angles of (a) 0°, (b) 10°, and (c) 20°.
(a)
(b)
(c)