改善09MnNi容器钢低温冲击韧性的机理

宁博, 李志超, 武会宾, 张丙军, 黄曼丽, 丁超

Mechanism of Improving Low Temperature Impact Toughness of 09MnNi Vessel Steel

NING Bo, LI Zhichao, WU Huibin, ZHANG Bingjun, HUANG Manli, DING Chao

图7 试样A1、A2、B1和B2的晶界分布

Fig.7 Grain boundary distribution of samples of A1 (a), A2 (b), B1 (c) and B2 (d)