How Slight Solidification Rate Variations within Cast Plate Affect Mechanical Response: A Study on As-Cast A356 Alloy with Cu Additions

Table 3

Composition of the located intermetallic phases as measured by semiquantitative EDS.

Composition in (at. %)
Spectrum	Phase	Al	Si	Cu	Mg	Fe
1	β-Al5FeSi	81.7	10.3	0.5	0.2	7.3
2	Q-Al5Mg8Si6Cu2	59.8	17.3	5.2	17.7	0.1
3	Al-Q-θ	67.5	14.2	11.5	6.5	0.3
4	θ-Al2Cu	72.5	1.2	25.6	0.6	0.1
5	Q-Al5Mg8Si6Cu2	33.1	27.2	7.7	32	0.1
6	θ-Al2Cu	67.5	3.8	28.3	0.2	0.2