应用稀土氧化物冶金技术改善高强钢焊接性能
陆斌1,2,3, 陈芙蓉1(), 智建国2,3, 耿如明4
Enhanced Welding Properties of High Strength Steel via Rare Earth Oxide Metallurgy Technology
LU Bin1,2,3, CHEN Furong1(), ZHI Jianguo2,3, GENG Ruming4

图10. 23Ce试样不同焊接热输入下热影响区原奥氏体晶粒形貌的OM像

Fig.10. OM images of HAZ original austenite grain in 23Ce steel under heat inputs of 25 kJ/cm (a), 50 kJ/cm (b), 75 kJ/cm (c) and 100 kJ/cm (d)