Si对一种9Cr铁素体/马氏体钢显微组织和力学性能的影响

张乾坤, 胡小锋, 姜海昌, 戎利建

Effect of Si on Microstructure and Mechanical Properties of a 9Cr Ferritic/Martensitic Steel

ZHANG Qiankun, HU Xiaofeng, JIANG Haichang, RONG Lijian

图12 时效态P91和H-Si钢冲击断口截面的SEM像

Fig.12 Cross section SEM images of aged P91 (a) and H-Si (b) steels near the impact fracture surfaces (Inset in Fig.12b is the EBSD phase distribution image of the impact fracture surface denoted by rectangle)