This review focuses on of the role of Ce in aluminum melt purification and aluminum matrix, its influence on the properties of aluminum and aluminum alloys, including both cast and wrought alloys. Ce exhibits excellent degassing and refining properties in aluminum melts, leading to improved metallurgical quality. In addition, Ce plays a significant role in aluminum matrices, including grain refinement, modification, alteration of solidification behaviour, and compound formation. Through these effects, Ce can have a substantial impact on the properties of aluminum and its alloys. This systematic review comprehensively elucidates the role and impact of Ce in aluminum and its alloys, providing a comprehensive understanding for materials researchers.
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