The present study investigated the effect of cooling rate on the solidification of hypereutectic Al-Ce alloys, where varying cooling rates were obtained using a step casting mold. The thinner section sizes led to higher cooling rates, leading to a decrease in grain size. The microstructure, density, hardness, and phase... more

The present study investigated the effect of cooling rate on the solidification of hypereutectic Al-Ce alloys, where varying cooling rates were obtained using a step casting mold. The thinner section sizes led to higher cooling rates, leading to a decrease in grain size. The microstructure, density, hardness, and phase composition of the alloy samples were observed and analyzed. The results showed that a high cooling rate led to a reduction in the size of the intermetallic particles while improving the hardness of the alloy. The phase identification showed that the phases consisted of eutectic Al, eutectic Al₁₁Ce₃, and primary Al₁₁Ce₃.