About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Reduction Technology
|
| Presentation Title |
Development of a Protective Coating for Superalloy Thermocouples Used in Aluminum Electrolysis Cells |
| Author(s) |
Bourabah Salah |
| On-Site Speaker (Planned) |
Bourabah Salah |
| Abstract Scope |
In aluminum electrolysis cells, thermocouples made of superalloys are exposed to extremely aggressive environments, leading to premature degradation and reduced measurement reliability. This study presents the development of a protective coating designed to enhance the corrosion resistance and thermal stability of thermocouples operating in molten cryolite-based electrolytes. The coating was deposited using an advanced surface engineering technique and characterized by SEM, EDS, and XRD. Electrochemical tests and thermal cycling were conducted to assess performance under conditions simulating industrial electrolysis. Results show a significant improvement in oxidation resistance and reduced degradation rate. This work offers a promising solution to extend the service life of temperature sensors in aluminum production and improve process control and energy efficiency. |
| Proceedings Inclusion? |
Planned: Light Metals |