Improvement of Al‑SiC Alloy Strength Through Nano-SnO2 Addition Using Powder Metallurgy Method: Study of Mechanical Properties
نویسندگان
1 Department of Materials Engineering, College of Engineering, University of Al- Qadisiyah, Qadisiyyah, Iraq
doi
10.22052/JNS.2025.04.056چکیده
The industrial importance of aluminum (Al) alloys has led to extensive research focused on enhancing their mechanical properties and corrosion resistance through the incorporation of nanoceramic materials. This study utilizes powder metallurgy to fabricate and reinforce an Al-SiC alloy with varying weight percentages of tin oxide (SnO₂) nanocrystalline powder at concentrations of 0, 3, 6, 9, and 12 wt%. The primary objective was to investigate the resulting mechanical and elastic properties, as well as the wear behavior of the composites. Microstructural characterization was performed using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Results indicate that increasing the sintering temperature to 550 °C improved densification. The addition of 12 wt% SnO₂ significantly enhanced the material’s properties, increasing microhardness, compressive strength, and Young’s modulus by 162%, 146%, and 65%, respectively.