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

Table 1

Chemical composition of the base A356 alloy.

Alloy	Elements (wt.%)
	Si	Cu	Mg	Fe	Zn	Al
A356	7.2	<0.20	0.35	<0.20	<0.10	Bal