With the experimental conditions, the beginning reaction temperature of direct reduction is 656 K, the nitrogenization occurs at 1 160 K, and VN translates into VC at 1 560 K.

• 本试验条件下直接还原的开始温度为656K,氮化的开始温度为1160K,氮化钒转化为碳化钒的温度为1560K。