Microsegregation and Solidification Shrinkage of Copper-Lead Base Alloys

Table 3

Chemical composition of different phases in heat treated samples (95 % interval confidence)

Alloy		Sn (wt.%)	Zn (wt.%)	Pb (wt.%)	Cu (wt.%)
Cu-5Sn-5Pb	Primary phase	3.25 ± 0.08	—	—	Bal.
	Quenched area	12.39 ± 0.56	—	18.63 ± 2.38	Bal.
Cu-5Sn-5Zn-5Pb	Primary phase	2.77 ± 0.11	4.35 ± 0.14	—	Bal.
	Quenched area	11.98 ± 0.59	2.30 ± 0.12	18.87 ± 2.51	Bal.