Figure 1. Microstructure of the Cu–9Ni–6Sn alloy before the test: (a) optical microstructure of the casted alloy; (b) IPF map of the homogenized alloy from an ND direction; (c) XRD results of the homogenized alloy. Table 1. Composition of Cu–9Ni–6Sn–0.2Mn–0.1Zn (wt.%). ...