应用稀土氧化物冶金技术改善高强钢焊接性能

陆斌, 陈芙蓉, 智建国, 耿如明

Enhanced Welding Properties of High Strength Steel via Rare Earth Oxide Metallurgy Technology

LU Bin, CHEN Furong, ZHI Jianguo, GENG Ruming

表5 不同焊接热输入时23Ce试样在不同温度持续时间 (s)

Table 5 Holding time of 23Ce steel at different temperatures under different heat inputs

Temperature / ℃ 25 kJ·cm-1 50 kJ·cm-1 75 kJ·cm-1 100 kJ·cm-1 >930 8.51 24.93 52.07 90.93 >1000 6.97 19.57 41.11 70.57 >1100 5.10 14.08 28.22 48.08 >1200 3.46 9.08 17.72 30.58 >1300 1.86 3.58 8.22 14.08