We can change the metallography structure of hard alloy by boronizing, improve its complicated properties, reduce the brittle, increase the hardness, and at last prolong the dies service life.

• 但硬质合金脆性大，冲击韧性低。通过渗硼可以改变硬质合金组织，改善其综合性能，提高硬度，降低脆性，延长了模具寿命。