稀土合金化石油套管钢精炼-连铸-轧制过程夹杂物演变行为

梁雨雨, 倪培远, 刘麒麟, 厉英

Evolution Behavior of Inclusions in Rare Earth Metal Alloying Oil Casing Steel During Refining and Casting and Hot-Rolling Process

LIANG Yuyu, NI Peiyuan, LIU Qilin, LI Ying

表3 基体和氧化物夹杂物的物理性质和力学性能[24,25]

Table 3 Physical and mechanical properties of matrix and oxide inclusions[24,25]

Material B / GPa E / GPa G / MPa H / GPa ρ / (kg·m-3) Fe matrix 173.10 206 85.80 700 7874 Al2O3 223.40 387 150.05 > 1900 3980 Al2O3·CaO - 113 - > 2200 - CeAlO3 194.75 220 125.95 1733 6680 Ce2O3 137.59 129 65.14 660 6860