不同植酸盐对Q235钢腐蚀行为的影响

周龙, 鲁骏, 丁文珊, 李昊, 陶涛, 师超, 邵亚薇, 刘光明

Effect of Different Phytates on Corrosion Behaviors of Carbon Steel

ZHOU Long, LU Jun, DING Wenshan, LI Hao, TAO Tao, SHI Chao, SHAO Yawei, LIU Guangming

表 4 不同植酸盐浸出液中Q235钢电极Tafel拟合参数

Table 4 Tafel fitting results of Q235 steel electrode in various phytate extracting solutions

Extracting Icorr / A·cm-2 Cathodic Tafel slope Anodic Tafel slope η / % Zinc phosphate 7.99 × 10-6 3.318 17.276 69.86 Zinc phytate 2.01 × 10-6 9.581 7.17 92.46 Calcium phytate 3.85 × 10-6 3.535 30.775 85.48 Manganese phytate 2.74 × 10-6 5.129 15.038 89.66 Aluminum phytate 5.53 × 10-5 4.487 8.654 -108.68 Contrast 2.65 × 10-5 2.173 7.684 /