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

图5 不同WM的SEM像和夹杂物数量密度及针状铁素体体积分数的变化

Fig.5 Typical SEM images of WM1 (a), WM2 (b), WM3 (c), WM4 (d), and WM5 (e); number densities of inclusions and volume fractions of acicular ferrites (AFs) in different WMs as a function of TiO2 content (f) (Inset in Fig.5e shows the formation of AFs induced by the typical complex inclusions in the WM)