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The microstructure and mechanical properties of near-eutectic Al–12Si alloys modified with 0–0.4% Nd (mass fraction) were investigated. The results indicate that a submicro- or nano-sized Al2Nd phase is observed in the modified alloy with 0.3% Nd. The morphology of the α(Al) phase is significantly refined in the Nd-modified alloys. The primary Si morphology simultaneously changes into a fine, particle-like...