20CrMnTiH齿轮钢凝固和冷却过程中非金属夹杂物的转变研究

张国锋1，季莎2，张立峰3，王亚栋2，李彩云1，张威1，罗艳2

Study on transformation of non-metallic inclusions in 20CrMnTiH gear steel during solidification and cooling

炼钢 . 2020, (3): 32 -38 .