Table 3.

Relative volumes of the largest interconnected structures and contiguity area of Si and aluminide particles of both alloys in AC and 4 h ST conditions.

Alloys	Largest Si particle (%)	Largest aluminide particle (%)	Largest combined particle of Si + aluminides (%)	Contiguity area 104 (μm2)
AlSi10Cu5Ni1-AC	85 ± 5 (7.65 ± 0.45 vol.%)	95 ± 1 (7.6 ± 0.08 vol.%)	∼97	2.4 ± 0.3
AlSi10Cu5Ni1-4 h	40 ± 10 (4 ± 1 vol.%)	75 ± 2 (6.38 ± 0.17 vol.%)	∼88	2.1 ± 0.4
AlSi10Cu5Ni2-AC	84 ± 5 (9.24 ± 0.55 vol.%)	97 ± 1 (12.60 ± 0.13 vol.%)	∼97	5.9 ± 0.8
AlSi10Cu5Ni2-4 h	80 ± 5 (8.8 ± 0.55 vol.%)	94 ± 1 (12.20 ± 0.13 vol.%)	∼97	6.6 ± 1.0