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

图5 不加稀土炉次铸坯样中典型夹杂物形貌的SEM像、EDS分析结果和形貌示意图

Fig.5 Typical SEM images, EDS analysis results, and schematics of morphology of inclusions in RE-free steel casting billet sample (wt—mass fraction) (a-d) SEM images and corresponding EDS point scanning results (e-h) SEM images and corresponding EDS element mapping analyses of square regions, and corresponding schematics of inclusion morphologies