Influence of Nanosized Silicon Carbide on Dimensional Stability of AlSiC Nanocomposite

الملخص EN

This study concentrated on the role of particle size of silicon carbide (SiC) on dimensional stability of aluminum.

Three kinds of Al/SiC composite reinforced with different SiC particle sizes (25 μm, 5 μm, and 70 nm) were produced using a high-energy ball mill.

The standard samples were fabricated using powder metallurgy method.

The samples were heated from room temperature up to 500∘C in a dilatometer at different heating rates, that is, 10, 30, 40, and 60∘C/min.

The results showed that for all materials, there was an increase in length change as temperature increased and the temperature sensitivity of aluminum decreased in the presence of both micro- and nanosized silicon carbide.

At the same condition, dimensional stability of Al/SiC nanocomposite was better than conventional Al/SiC composites.