State Key Laboratory of Materials Processing and Die and Mould Technology;
School of Materials Science and Engineering;
Huazhong University of Science and Technology;
Wuhan 430074;
China;
State Key Laboratory for Advanced Metals and Materials;
University of Science and Technology Beijing;
Beijing 100083;
China;
Compound casting; Al-Mg intermetallic compounds; Rare earth La; Al/Mg interface; Microstructure; Mechanical properties;