Effect of Solidification Rate and Rare Earth Metal Addition on the Microstructural Characteristics and Porosity Formation in A356 Alloy

Figure 12

(a) Backscattered electron image showing Ce-rich platelets in Sr-modified A356 alloy containing 1.025% wt.% Ce and elemental distribution of (b) Ce, (c) Sr, and (d) EDS spectrum corresponding to (a).

(a)

(b)

(c)

(d)