Effect of combinative addition of mischmetal and titanium on the microstructure and mechanical properties of hypoeutectic Al-Si alloys used for brazing and/or welding consumables

(a) x=0.05, cross-sectional metallographic structure; (b) x=0.05, longitudinal-sectional metallographic structure; (c) x=0, cross-sectional SEM structure; (d) x=0.01, cross-sectional SEM structure; (e) x=0.05, cross-sectional SEM structure; (f) SEM microstructure of hot-extruded AST-0.02Sr welding rod for comparison