State;
Key;
Laboratory;
for;
Advanced;
Metals;
and;
Materials,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
State;
Key;
Laboratory;
for;
Advanced;
Metals;
and;
Materials,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
College;
of;
Materials;
Science;
and;
Engineering,;
Yanshan;
University,;
Qinhuangdao;
066004,;
China;
State;
Key;
Laboratory;
for;
Advanced;
Metals;
and;
Materials,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
State;
Key;
Laboratory;
for;
Advanced;
Metals;
and;
Materials,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
nanocrvstaUine; Nd-Fe-B; magnets; magnetic; properties; thermal; stability; microstructure; rare; earths;