回火温度对2.25Cr-1Mo-0.25V钢粒状贝氏体显微组织和力学性能的影响*
蒋中华,王培(
),李殿中,李依依
),李殿中,李依依
EFFECTS OF TEMPERING TEMPERATURE ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF GRANULAR BAINITE IN 2.25Cr-1Mo-0.25V STEEL
Zhonghua JIANG,Pei WANG(),Dianzhong LI,Yiyi LI
),Dianzhong LI,Yiyi LI
图10. 不同温度回火后2.25Cr-1Mo-0.25V钢在-18 ℃低温冲击断口侧剖面CLSM像
Fig.10. CLSM images of the cross-sectional area of the Charpy impact specimens fractured at -18 ℃ for the 2.25Cr-1Mo-0.25V steel normalized and tempered at 500 ℃ (a), 630 ℃ (b), 680 ℃ (c), 700 ℃ (d), 720 ℃ (e) and 750 ℃ (f) (Arrows indicate the corresponding microcracks)
