CaF2-TiO2 焊剂作用下EH36船板钢气电立焊焊缝金属组织优化及力学性能调控

谢旭, 万一博, 钟明, 邹晓东, 王聪

Optimizing Microstructures and Mechanical Properties of Electro-Gas Welded Metals for EH36 Shipbuilding Steel Treated by CaF2-TiO2 Fluxes

XIE Xu, WAN Yibo, ZHONG Ming, ZOU Xiaodong, WANG Cong

表2 EH36船板钢和自制药芯焊丝的化学成分 (mass fraction / %)

Table 2 Chemical compositions of EH36 shipbuilding steel and flux-cored wire

Material C Si Mn Ni Al P Ti S O Fe Base metal 0.185 0.004 1.520 0.044 0.001 0.009 0.001 0.007 0.002 Bal. Flux-cored wire 0.068 0.306 2.504 1.260 0.777 0.004 0.052 0.003 0.002 Bal.