Influence of TiO2 nanoparticles addition on the microstructural and mechanical properties of Sn0.7Cu nano-composite solder

► Effect of TiO2 nanoparticles addition on the Sn0.7Cu solder alloys is discussed. ► Additions of TiO2 nanoparticles results the microstructure and mechanical property dramatically. ► Strengthening mechanism of SC composite solder.