深海环境中304不锈钢腐蚀行为研究

彭文山,侯健,丁康康,郭为民,邱日,许立坤

Corrosion Behavior of 304 Stainless Steel in Deep Sea Environment

Wenshan PENG,Jian HOU,Kangkang DING,Weimin GUO,Ri QIU,Likun XU

表3 304不锈钢试样在不同深度海水中暴露0.5 a后的表面腐蚀产物元素组成

Table 3 EDS results of corrosion products of 304 stainless steel

Depth/m Na Mg Si P S Cl K Ca V Cr Fe Ni 1200 11.45 2.49 0.41 0.41 0.81 7.45 0.25 0.88 0.09 7.26 6.08 0.31 2000 9.91 1.47 0.37 0.31 0.86 6.34 0.16 1.28 --- 9.48 5.65 0.27 3000 3.52 2.61 0.57 0.60 1.18 2.92 0.12 1.18 --- 10.02 11.08 0.72