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3 TC4钛合金表面标记处腐蚀产物的EDS分析结果 (atomic fraction / %)

Table 3 EDS results of surface corrosion products in the regions marked in Fig.3b

Position C Ti Al V Si O 001 4.84 86.28 7.73 - 1.15 - 002 - 88.62 2.23 3.07 - 6.07 003 - 55.00 4.26 2.19 0.48 38.07