College;
of;
Materials;
Science;
and;
Engineering,Key;
Laboratory;
of;
Advanced;
Functional;
Materials;
of;
Ministry;
of;
Education;
of;
China,Beijing;
University;
of;
Technology,Beijing;
100022,China;
College;
of;
Materials;
Science;
and;
Engineering,Key;
Laboratory;
of;
Advanced;
Functional;
Materials;
of;
Ministry;
of;
Education;
of;
China,Beijing;
University;
of;
Technology,Beijing;
100022,China;
College;
of;
Materials;
Science;
and;
Engineering,Key;
Laboratory;
of;
Advanced;
Functional;
Materials;
of;
Ministry;
of;
Education;
of;
China,Beijing;
University;
of;
Technology,Beijing;
100022,China;
spark; plasma; sintering,microstructure; evolution,sintering; mechanism.;