含硫齿轮钢凝固冷却过程中非金属夹杂物的转变研究

张明海1，程礼梅2，杨文2，李学科1，于春强1，牛凯军2

Study on transformation of non-metallic inclusions in sulfurbearing gear steel during solidification and cooling process

炼钢 . 2020, (1): 21 -26 .