School;
of;
Mechanical;
and;
Electronic;
Engineering,;
Tianjin;
Polytechnic;
University;
Tianjin;
300160;
China;
State;
Key;
Laboratory;
of;
Powder;
Metallurgy,;
Central;
South;
University,;
Changsha;
410083,;
China;
超细硬质合金; 烧结特性; 微观结构; 横向断裂强度; 烧结硬质合金; 显微结构; 共晶温度; 晶粒生长;