When composite inhibitors (VC and Cr_3C_2) are doped with 0.4wt% individually, they can effectively inhibit WC crystal growth and hardmetal with excellent properties can be obtained.

• 当复合抑制剂VC+Cr_3C_2的加入量分别为0.；4%25wt时，抑晶效果最佳，硬质合金性能达到最优；