核用SA508-4N钢粗晶区再热裂纹敏感性评价
陈重毅,麻永林(),邢淑清,白庆伟,刘永珍
Reheat Cracking Susceptibility in Coarse Grained Heat-affected Zone of SA508-4 Steel for Nuclear Pressure Vessel
Zhongyi CHEN,Yonglin MA(),Shuqing XING,Qingwei BAI,Yongzhen LIU

图4. SA508-4N钢粗晶区的显微组织

Fig.4. Microstructure in CGHAZ of SA508-4N steel (a) Steel A-OM, (b) Steel A-SEM, (c) Steel A-TEM, (d) Steel B-OM,(e) Steel B-SEM, (f) Steel B-TEM