Research Article

Evolution of Microstructure and Microsegregation of Ti-45Al-8Nb Alloy during Directional Solidification

Figure 5

BSE images of transverse sections of the 200 μm/s withdrawn DS ingot: (a, b) the mushy zone at low and high magnifications; (c, d) columnar zone 5 mm below the mushy zone at low and high magnifications.