Investigation of Hot Corrosion Resistance in CNT-Reinforced ZrO₂-Y₂O₃ Composite Coatings on Boiler Tube Steel
DOI:
https://doi.org/10.48047/k402qc94Keywords:
High-temperature corrosion, Plasma-sprayed coatings, Carbon nanotubes (CNT), Boiler tube steel, Thermal power plants, ZrO₂-Y₂O₃ composites, Molten salt corrosion.Abstract
Boiler tube failures in Indian thermal power plants are primarily caused by molten sulfates and vanadates, which lead to material degradation at elevated temperatures. Thermal spray coatings are employed as a preventive measure to mitigate such high-temperature corrosion. This study focuses on evaluating the hot corrosion performance of carbon nanotube (CNT)-reinforced ZrO₂-Y₂O₃ composite coatings on T-91 boiler tube steel in a molten salt environment at 900 °C over 50 cycles.
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References
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