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6 TC4钛合金试样在不同环境下形成的腐蚀产物膜XPS分析结果
|
Table 6 XPS results of corrosion products formed on TC4 Ti-alloy after corrosion in different environments
|
|
| Environment | Compound | Atomic ratio | Area ratio | Content ratio Anatase Rutile | Content ratio Al2O3 TiO2 |
|---|
| Atmosphere | 530.44-TiO2 | 45.91 | 1 | 0.78 | 0.22 | | 531.60-TiO2 | 35.72 | 0.78 | | | | 532.64-Al2O3 | 18.37 | 0.4 | | | No. A (unoxygenated-24 h) | 530.33-TiO2 | 21.65 | 0.47 | 2.1 | 0.47 | | 531.57-TiO2 | 46.23 | 1 | | | | 532.52-Al2O3 | 32.12 | 0.69 | | | No. B (1 MPa O2-24 h) | 529.68-TiO2 | 20.92 | 0.43 | 2.3 | 0.40 | | 530.6-TiO2 | 49.35 | 1 | | | | 532.54-Al2O3 | 29.73 | 0.57 | | | No. C (1 MPa O2-72 h) | 529.61-TiO2 | 59.65 | 1 | 0.53 | 0.098 | | 531.17-TiO2 | 31.43 | 0.53 | | | | 532.77-Al2O3 | 8.92 | 0.15 | | |
|
|
|