Corten-A耐候钢在模拟污染海洋大气环境中的加速腐蚀相关性研究

冯亚丽,白子恒,陈利红,魏丹,张东玖,姚琼,吴俊升,董超芳,肖葵

Correlation of Indoor Accelerated Corrosion with Outdoor Exposure for Corten-A Weathering Steel in Polluted Marine Atmospheric Environments

Yali FENG,Ziheng BAI,Lihong CHEN,Dan WEI,Dongjiu ZHANG,Qiong YAO,Junsheng WU,Chaofang DONG,Kui XIAO

表4 青岛地区腐蚀失重数据预处理结果

Table 4 Pretreatment results of corrosion mass loss in Qingdao

Test time Outdoor exposure 1%NaCl 2%NaCl 3.5%NaCl 5%NaCl 7%NaCl Y0 Y1 Y2 Y3 Y4 Y5 1 a (216 h) 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 2 a (432 h) 1.5421 1.6622 1.8280 1.8697 1.9306 1.8056 4 a (864 h) 2.3781 2.7630 3.3415 3.4958 3.7272 3.2600 8 a (1728 h) 3.6672 4.5929 6.1082 6.5361 7.1958 5.8860 12 a (2592 h) 4.7248 6.1827 8.6928 9.4253 10.5730 8.3162 16 a (3456 h) 5.6553 7.6344 11.1657 12.2206 13.8922 10.6274