State;
Key;
Laboratory;
for;
Advanced;
Metals;
and;
Materials,;
School;
of;
Materials;
Science;
and;
Engineering,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
高密度; 纯铁粉; 机械性能; 扫描电子显微镜; 烧结密度; 压实; 粉末冶金零件; 高级发声中枢;