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1 不同Ce含量高强钢的化学成分 (mass fraction / %)

Table 1 Chemical compositions of high strength steel with different Ce contents

Steel C Si Mn P S Al Nb V Ti Ca Mg Cr Mo Ce Fe 5Ce 0.12 0.33 1.62 0.014 0.0020 0.026 0.046 0.069 0.017 0.0014 0.0004 0.260 0.115 0.0005 Bal. 23Ce 0.11 0.31 1.62 0.015 0.0020 0.025 0.046 0.066 0.017 0.0007 0.0005 0.270 0.122 0.0023 Bal.