Preparation of Al-CeO2-Mg grain refiner for AZ31 Mg alloy via a novel direct melt reaction process

• Published in: Materials letters Vol. 325; p. 132881
• Main Authors: Fan, Wenxue, Bai, Yu, Zuo, Guoliang, Sima, Yapeng, Hao, Hai
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.10.2022
• Subjects: Direct melt reaction; Grain refinement; Heterogeneous nucleation; Metals and alloys; Microstructure; Heterogeneous nucleation; Direct melt reaction; Metals and alloys; Microstructure; Grain refinement

•Al-CeO2-Mg master alloy is prepared by a novel direct melt reaction process.•Direct melt reaction overcomes the float and agglomeration of raw materials.•The master alloy contains contributing MgAl2O4 particles and Ce-rich compounds.•Al-CeO2-Mg master alloy shows a remarkable grain refinement effec...