高强度油井管钢中的Nb偏析及形成机制分析

田研1,2，赵明纯2

Segregation of Nb and its formation mechanism of high strength casing steel

TIAN Yan1,2,ZHAO Ming-chun2

钢铁研究学报 . 2020, (4): 344 -350 . DOI: 10.13228/j.boyuan.issn1001-0963.20190183