Refinement Mechanism of the Hypoeutectic Al–7Si Alloy by Adding a Novel La-Rich Rare-Earth Grain Refiner. - Ding, Wanwu; Xu, Mei; Gou, Lumin; Li, Lingxia; Ma, Juan; An, Jiazhi; Lu, Xuefeng; Liu, Xiaochun; Li, Xiaochun (Metallurgical & Materials Transactions. Part A, 2024)