Effect of Sr-P Interaction on the Microstructure and Tensile Properties of A413.0 Type Alloys

Table 3

Compositions of the intermetallic observed at the centre of the primary Si particle shown in Figure 2(a).

Phase #	Elements	At.%	Form and color	Suggested composition
1	Al	47.53	Spots, black	Al2O3 + AlPSrO
	Sr	4.38
	P	3.15
	O	44.94
	Total	100
2	Al	4.24	Platelet, gray	Si
	Si	95.68
	Total	100.00