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5 不同酸洗时间316L不锈钢样品的平带电位、施主密度和受主密度

Table 5 Flat-band potential, donor density and acceptor density of 316L stainless steel samples after different pickling time

Pickling time / min Efb / V, n-type Efb / V, p-type Nd / cm-3 Na / cm-3 0 -0.76 0.81 2.38×1017 1.93×1017 10 -0.74 0.77 5.40×1017 4.33×1017 20 -0.82 0.15 3.17×1018 3.59×1018 30 -0.74 0.50 1.27×1018 1.45×1018 40 -0.73 0.10 1.31×1018 1.41×1018 50 -0.76 0.12 1.13×1018 1.27×1018