Influence of Thermal Parameters, Microstructure, and Morphology of Si on Machinability of an Al–7.0 wt.% Si Alloy Directionally Solidified

Figure 6

(a) Si segregation profile. (b) Morphology of Si along the ingot: (1) P = 4 mm, (2) P = 30 mm, and (3) P = 50 mm.

(a)

(b)