Effect of Rare Earth Metals, Sr, and Ti Addition on the Microstructural Characterization of A413.1 Alloy

Table 2

Chemical composition and codes of the A413.1 alloys used in the present study, graphite mold castings.

Alloy	Mold type	Mold temp (°C)	Alloy code	Additives (wt%)
				Aimed			Actual
				Sr	La	Ce	Sr	La	Ce
A413.1	Graphite	600	TE	0	0	0	0	0	0
			TE10	0	0.2	0	0	0.187	0
			TE1	0	0.5	0	0	0.284	0
			TE2	0	1	0	0	0.717	0
			TE3	0	1.5	0	0	0.940	0
			TE11	0	0	0.2	0	0.022	0.083
			TE4	0	0	0.5	0	0.237	0.308
			TE5	0	0	1	0	0.067	0.300
			TE6	0	0	1.5	0	0.078	0.634
			TE7	0	0.5	0.5	0	0.321	0.163
			TE8	0	1	1	0	0.511	0.387
			TE9	0	1.5	1.5	0	0.840	0.497
			TES	0.1	0	0	0.0088	0	0
			TE10S	0.01	0.2	0	0.0078	0.187	0
			TE1S	0.01	0.5	0	0.0087	0.284	0
			TE2S	0.01	1	0	0.0065	0.717	0
			TE3S	0.01	1.5	0	0.0079	0.940	0
			TE11S	0.01	0	0.2	0.0193	0.022	0.083
			TE4S	0.01	0	0.5	0.0123	0.237	0.308
			TE5S	0.01	0	1	0.0081	0.067	0.300
			TE6S	0.01	0	1.5	0.008	0.078	0.634
			TE7S	0.01	0.5	0.5	0.0079	0.321	0.163
			TE8S	0.01	1	1	0.0084	0.511	0.387
			TE9S	0.01	1.5	1.5	0.0081	0.840	0.497

Ti in the amount of 0.15 wt% was added to selected alloys.