TY - JOUR T1 - The Influence of Isothermal Holding Times on Microstructural Evolution of X90 Linepipe Steel JO - Materials Research A1 - Zhou, Qi A1 - Zhao, Xian-ming A1 - Li, Zhuang A1 - Cui, Xi-jun SN - 1516-1439 UL - 10.1590/1980-5373-MR-2018-0605 VL - 22 Y1 - 2019 PB - Brasil ER -