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8 各试样的晶粒尺寸统计
Fig.8 Statistics of grain size for samples