热处理对一种双峰晶粒结构超低碳9Cr-ODS钢显微组织与力学性能的影响

张家榕, 李艳芬, 王光全, 包飞洋, 芮祥, 石全强, 严伟, 单以银, 杨柯

Effects of Heat Treatment on Microstructure and Mechanical Properties of a Bimodal Grain Ultra-Low Carbon 9Cr-ODS Steel

ZHANG Jiarong, LI Yanfen, WANG Guangquan, BAO Feiyang, RUI Xiang, SHI Quanqiang, YAN Wei, SHAN Yiyin, YANG Ke

图12 双峰晶粒结构超低碳9Cr-ODS钢断裂示意图

Fig.12 Schematics of fracture of ultra-low carbon 9Cr-ODS steel with bimodal grain structure (a) a bimodal microstructure after rolling (b) cavitation, crack initiation, and crack tip blunting (c) crack propagation and fracture failure