Laboratory of Advanced Functional Materials;
Ministry of Education;
Faculty of Materials and Manufacturing;
Beijing University of Technology;
Beijing 100124;
China;
Ganzhou Fortune Electronic Co.;
Ltd.;
Canzhou 341000;
China;
Earth-Panda Advanced Magnetic Materials Co.;
Ltd.;
Hefei 231500;
China;
Nd-Fe-B bonded magnet wastes; Epoxy resin; Open-loop reaction; Physical dissolution; Recycled magnetic powders; Rare earths;