TC4钛合金在O2 + CO2 气氛的高温高压模拟水沉积液中表面形成的钝化膜研究

张雅妮, 王思敏, 樊冰

Corrosion and Passivation Behavior of TC4 Ti-alloy in a Simulated Downhole Liquid in High-temperature and High-pressed O2 + CO2 Environment

ZHANG Yani, WANG Simin, FAN Bing

表7 TC4钛合金钝化膜半导体的掺杂浓度和平带电位

Table 7 Doping concentrations and flat charged levels of passive films formed on TC4 Ti-alloy in different environments

Environment Slope ND / cm-3 EFB / V O2 2.62 × 109 4.72 × 1018 -0.26737 O2+ CO2 2.37 × 109 5.22 × 1018 -0.41775 CO2 1.70 × 109 7.28 × 1018 -1.16065