Department of Materials;
College of Mathematics and Physics;
Nanjing Information University of Science and Technology;
Nanjing 210044;
China Department of Materials;
College of Mathematics and Physics;
Nanjing Information University of Science and Technology;
Nanjing 210044;
China;
Department of Materials Processing;
College of Materials;
Xi''an Jiaotong University;
Xi''an 740078;
China Department of Materials;
College of Mathematics and Physics;
Nanjing Information University of Science and Technology;
Nanjing 210044;
China Department of Materials;
College of Mathematics and Physics;
Nanjing Information University of Science and Technology;
Nanjing 210044;
China;
Department of Materials Processing;
College of Materials;
Xi''an Jiaotong University;
Xi''an 740078;
China;
AZ91; alloy; La2(CO3)3; microstructure; mechanical; properties;