等温淬火温度对贝/马复相42CrMo钢组织和力学性能的影响

江腾, 李星, 刘汉强, 崔珊, 刘宏亮, 刘军, 栾义坤, 姜周华

Effect of Isothermal Quenching Temperature on Microstructure and Mechanical Properties of Bainite/Martensite Multi-phase 42CrMo Steel

JIANG Teng, LI Xing, LIU Hanqiang, CUI Shan, LIU Hongliang, LIU Jun, LUAN Yikun, JIANG Zhouhua

图11 冲击断口处二次裂纹的EBSD图像

Fig.11 EBSD diagram of secondary cracks at the impact fracture (a) 250#; (b) 280#; (c) 310#