College of Engineering;
Yantai Nanshan University;
Yantai 265700;
China;
Institute of Engineering Technology;
University of Science and Technology Beijing;
Beijing 100083;
China;
National Engineering Research Center for Plastic Working of Alulinum Alloys;
Shandong Nanshan Aluminum Co.;
Ltd.;
Yantai 265713;
China;
Al-Mg-Si alloy; heat treatment; precipitation behavior; electrical resistivity;