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4 S31655在不同温度下在湿法磷酸中的施主密度

Table 4 The donor density of S31655 in wet process phosphoric acid at different temperatures

T / oC α ND / cm-3 25 11.8 × 109 0.79 × 1021 40 9.5 × 109 0.95 × 1021 60 10.2 × 109 0.9 × 1021 80 5 × 109 1.8 × 1021