磷酸浓度对316L不锈钢耐蚀性及钝化膜特性的影响

张媛, 张弦, 陈思雨, 李腾, 刘静, 吴开明

Effect of Phosphoric Acid Concentration on Corrosion Resistance and Passivation Film Properties of 316L Stainless Steel

ZHANG Yuan, ZHANG Xian, CHEN Siyu, LI Teng, LIU Jing, WU Kaiming

图4 316 L不锈钢在不同浓度磷酸溶液中的Mott-Schottky曲线

Fig.4 Mott-Schottky curves of 316L stainless steel in phosphoric acid with different concentrations 0.1 mol/L H3PO4 (a), 0.2 mol/L H3PO4 (b), 0.3 mol/L H3PO4 (c) and 1 mol/L and 2 mol/L H3PO4 (d)