热输入对Q500qE钢模拟CGHAZ微观组织和冲击韧性的影响

朱东明, 何江里, 史根豪, 王青峰

Effect of Welding Heat Input on Microstructure and Impact Toughness of the Simulated CGHAZ in Q500qE Steel

ZHU Dongming, HE Jiangli, SHI Genhao, WANG Qingfeng

图8 典型热输入下CGHAZ的二次裂纹形貌

Fig.8 Secondary crack morphologies of CGHAZs with typical heat inputs of 15 kJ/cm (a) and 25 kJ/cm (b)