热疲劳温度对25Cr3Mo3NiNb钢裂纹扩展的影响

刘阳光, 李奉雨, 满达, 金自力, 李玮, 任慧平

Effect of Thermal Fatigue Temperature on Crack Propagation Behavior in 25Cr3Mo3NiNb Steel

LIU Yangguang, LI Fengyu, MAN Da, JIN Zili, LI Wei, REN Huiping

图4 在不同温度热疲劳前后的SEM照片

Fig.4 SEM before and after thermal fatigue at different temperature (a) before thermal fatigue, (b) 600 oC, (c) 700 oC