Q690高强钢对接焊缝加速腐蚀试验研究

魏欢欢, 雷天奇, 郑东东, 辛振科

Corrosion Characteristics of Butt Welds of Q690 High Strength Steel in Laboratory Test as an Enviormental Simulation of Ocean Splash Zone

WEI Huanhuan, LEI Tianqi, ZHENG Dongdong, XIN Zhenke

表3 焊缝区和热影响区的平均腐蚀速率

Table 3 Average corrosion rates of WZ and HAZ

Specimen code ηs / % WZ HAZ Average depth / μm ξ / mm·a-1 Average depth / μm ξ / mm·a-1 CT20 1.80 116.443 2.16 128.236 2.34 CT40 3.62 140.367 1.28 163.154 1.49 CT60 5.48 172.580 1.05 186.163 1.13 CT80 6.81 232.322 1.06 251.997 1.15 CT100 8.46 311.010 1.14 333.244 1.22