酸洗对316L不锈钢表面形貌、耐蚀性能及表面光学常数的影响

伊光辉, 郑大江, 宋光铃

Influence of Acid Pickling on Morphology, Optical Parameters and Corrosion Resistance of 316L Stainless Steel

YI Guanghui, ZHENG Dajiang, SONG Guangling

表1 不同酸洗时间316L不锈钢样品的极化曲线腐蚀参数

Table 1 Corrosion parameters of the polarization curves of 316L stainless steel coupons after different pickling time

Pickling time / min	I_corr / nA·cm^-2	E_corr / V	b_a / V·dec^-1	b_c / V·dec^-1
0	131	-0.096	0.413	0.105
10	12.8	0.040	0.416	0.101
20	11.9	0.010	0.437	0.104
30	14.2	0.030	0.349	0.102
40	12	0.022	0.410	0.100
50	9.97	0.021	0.492	0.093