School of Material and Engineering;
Hebei University of Technology;
Tianjin 300130;
China School of Material and Engineering;
Hebei University of Technology;
Tianjin 300130;
China School of Material and Engineering;
Hebei University of Technology;
Tianjin 300130;
China School of Material and Engineering;
Hebei University of Technology;
Tianjin 300130;
China School of Material and Engineering;
Hebei University of Technology;
Tianjin 300130;
China;
nano-powders; sintering; grain; boundary; grain; growth; dynamics;