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. (2026). Sana’a University Journal of Applied Sciences and Technology, 4(6), 2254-2264. https://doi.org/10.59628/jast.v4i6.2827