Engineering Research Center for Waste Oil Recovery Technology and Equipment;
Ministry of Education;
Chongqing Technology and Business University;
Chongqing 400067;
China;
International Joint Laboratory for Light Alloys(Ministry of Education);
College of Materials Science and Engineering;
Chongqing University;
Chongqing 400044;
China;
Shenyang National Laboratory for Materials Science;
Chongqing University;
Chongqing 400044;
China;
State Key Laboratory for Advanced Metals and Materials;
University of Science and Technology;
Beijing 100083;
China;
Combinatorial pre-treatment; Zn/Mg ratio; Ageing behavior; Microstructure evolution;