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6 不同WM的EBSD分析

Fig.6 Crystallographic characteristics in WM1 (a, f), WM2 (b, g), WM3 (c, h), WM4 (d, i), and WM5 (e, j) analyzed by EBSD (a-e) inverse pole figures (f-j) grain boundary distribution maps (The blue and red lines denote the high angle grain boundaries (HAGBs) with misorientation angle > 15° and low angle grain boundaries (LAGBs) with misorientation angle 2°-15°, respectively)