Key Laboratory of New Processing Technology for Nonferrous Metal and Materials;
Ministry of Education;
Guilin University of Technology;
Guilin 541004;
China;
Shenyang National Laboratory for Materials Science;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
Alnan Aluminium Co.;
Ltd;
Nanning 530000;
China;
Al alloy; Sc addition; Microstructure; Mechanical properties;