Effects of La and Ce Addition on the Modification of Al-Si Based Alloys

Table 1

Chemical composition of the base alloys used in the present study.

Alloy	Elements (wt%)
Alloy codes	Si	Cu	Mg	Fe	Zn	Al
A356; T0, T0S	7	<0.20	<0.35	<0.20	<0.10	Bal
413; E0, E0S	12	<0.10	<0.10	<0.20	<0.1	Bal

Nonmodified and modified with ~70 ppm Sr.