“Effect of the Cu additions on the structure of the soldered (96.5- x)Sn - (3.5)Ag -(x)Cu alloy with x=0.2, 0.4, 0.6, 0.8 and 1 wt %: There is none”, jast, vol. 4, no. 6, pp. 2254–2264, Jun. 2026, doi: 10.59628/jast.v4i6.2827.