S31655奥氏体不锈钢在湿法磷酸中的腐蚀行为

张建斌, 田欢, 欧阳明辉, 郝汀

Corrosion Behavior of Austenitic Stainless Steel S31655 in a Simulated Wet Process Phosphoric Acid Solution

ZHANG Jianbin, TIAN Huan, OUYANG Minghui, HAO Ting

表2 S31655在不同温度下在湿法磷酸中的恒电位极化参数

Table 2 Constant potential polarization parameters of S31655 in wet process phosphoric acid at different temperatures

T / oC Iss / mA·cm-2 n 25 1.60 × 10-4 0.87 40 1.94 × 10-4 0.83 60 3.68 × 10-4 0.82 80 7.39 × 10-3 0.71