The expermental research on the change of chemical composition and structure of car- bide blade surface treated by laser is carried out, and the relation between their structure and per- formance is studied. The resu...The expermental research on the change of chemical composition and structure of car- bide blade surface treated by laser is carried out, and the relation between their structure and per- formance is studied. The result shows that the element Co exists as a simple substance phase in prim- itive sintering structure. while in new melt-sintering structure it forms a fine alloy phase with origi- nal carbide, and this is the main factor which improves the performance of carbide blade treated by laser.展开更多
文摘The expermental research on the change of chemical composition and structure of car- bide blade surface treated by laser is carried out, and the relation between their structure and per- formance is studied. The result shows that the element Co exists as a simple substance phase in prim- itive sintering structure. while in new melt-sintering structure it forms a fine alloy phase with origi- nal carbide, and this is the main factor which improves the performance of carbide blade treated by laser.