| Issue |
E3S Web Conf.
Volume 411, 2023
VI International Conference on Actual Problems of the Energy Complex and Environmental Protection (APEC-VI-2023)
|
|
|---|---|---|
| Article Number | 01016 | |
| Number of page(s) | 7 | |
| Section | Issues of the Energy Complex | |
| DOI | https://doi.org/10.1051/e3sconf/202341101016 | |
| Published online | 10 August 2023 | |
Behaviour of single-crystal nickel alloy in the conditions of high-temperature hydrogen corrosion
1 Perm National Research Polytechnic University, 29, Komsomolsky prospect, Perm, 614990, Russia
2 Ministry of Oil-Iraqi Drilling Company, 941, Albarjusia-Zubar, Basra, Iraq
* Corresponding author: pavel.skovorodnikov@yandex.ru
This study presents the results of the investigation of the behaviour of ZhS32-VI single-crystal nickel alloy in hydrogen environment or argon atmosphere at 850°C. The microstructure and chemical composition of corrosion deposits were studied by scanning electron microscopy and X-ray energy-dispersive analysis. It has been established that in argon containing an admixture of oxygen a dense scale rich in cobalt and nickel oxides is formed. At atmosphere containing 65% hydrogen and 35% argon an increased content of aluminum in the surface composition was noted. The influence of 100% hydrogen leads to segregation of tungsten and rhenium with the formation of convex growths. The data of simultaneous thermal analysis revealed that the amount of desorbed hydrogen can be from 0.08 to 0.14%.
© The Authors, published by EDP Sciences, 2023
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