Directional Solidification of Sn-Cu₆Sn₅ In Situ Composites

Table 1

Solidification path of Sn-Cu alloys with different compositions.

Composition range (wt.% Cu)	Primary phase	Secondary phase	Final transformation
0–0.87	β (Sn)	η
0.87	β + η
0.87–7.44	η	β
7.44–39.07	ε	β
39.07	ε
39.07–61.63	ε	η