Effect of Solidification Rate and Rare Earth Metal Addition on the Microstructural Characteristics and Porosity Formation in A356 Alloy
Figure 6
Variation in the eutectic Si morphology as a function of melt treatment: (a) no addition, (b) addition of 3% RE (alloy #11 in Figure 4(a)), (c) modification with 100 ppm Sr, and (d) addition of 2% RE to Sr-modified alloy (alloy #10 in Figure 4(b)).
