环境因素对X100钢表面钝化膜性能的影响

赵阳, 梁平, 史艳华, 张云霞

Influence of Environmental Factors on Property of Passive Film Formed on X100 Pipeline Steel

ZHAO Yang, LIANG Ping, SHI Yanhua, ZHANG Yunxia

表6 不同条件下钝化膜内施主密度计算结果

Table 6 Calculated donor densities of the passive films formed under different conditions

Temperature ℃ Formation potential / V 10-21 (ND+ND')/cm-3 pH Formation potential / V 10-21 (ND+ND')/cm-3 [Cl-] mol/L Formation potential / V 10-21 (ND+ND')/cm-3 20 0.1 1.584 9.27 0.1 7.955 0.001 0.1 7.017 0.2 1.247 0.2 5.824 0.2 6.034 0.3 0.996 0.3 5.204 0.3 5.031 0.4 0.904 0.4 4.674 0.4 4.254 40 0.1 5.429 9.78 0.1 5.893 0.003 0.1 21.76 0.2 4.637 0.2 4.929 0.2 11.13 0.3 3.833 0.3 4.418 0.3 7.741 0.4 3.374 0.4 3.724 0.4 6.537 60 0.1 5.629 10.84 0.1 5.612 0.005 0.1 45.108 0.2 4.922 0.2 4.219 0.2 25.246 0.3 4.170 0.3 3.715 0.3 18.997 0.4 3.742 0.4 3.198 0.4 14.621