Columnar-to-Equiaxed Transition in Metal-Matrix Composites Reinforced with Silicon Carbide Particles

Figure 5

(a) CET for ZA27+5 vol% SiC composite. Also, micrographs in each zone: ((b) and (e)) columnar, ((c) and (f)) CET, ((d) and (g)) equiaxed. (h)–(j) Particle distribution in columnar, CET, and equiaxed zones.