“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”. Sana’a University Journal of Applied Sciences and Technology, vol. 4, no. 6, June 2026, pp. 2254-6, https://doi.org/10.59628/jast.v4i6.2827.