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11 时效态P91和H-Si钢室温冲击断口的SEM像

Fig.11 SEM images of impact fracture surfaces of aged P91 (a) and H-Si (b) steels at room temperature (Inset in Fig.11b is the magnified image of the rectangle area, and dotted line shows the cleavage zone)