| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Environmental Degradation of Additively Manufactured Materials
|
| Presentation Title |
Microstructure and Corrosion Behavior of Ni-Based Coating Alloy |
| Author(s) |
Song Yi Kim, JunHee Han, Hwi-Jun Kim, Min-Ha Lee |
| On-Site Speaker (Planned) |
Song Yi Kim |
| Abstract Scope |
Chloride-ion induced corrosion has been a significant issue in the oil, gas, and plant industries. Ni-based alloys are recognized for their high strength and excellent corrosion resistance in high-temperature environments. In this study, we developed a Ni-based alloy with enhanced corrosion resistance for coating applications. The Ni-based alloy coating layer was fabricated using the High-Velocity Oxy-Fuel (HVOF) process. The resulting coating layer consisted of a single phase of Ni (FCC). Internal microstructure observation revealed that various alloying elements within the Ni matrix were finely and unevenly distributed. The corrosion behavior study of the Ni-based alloy coating layer indicated that corrosion initiated at vulnerable surface areas. However, due to its dense microstructure with few defects, the coating exhibited excellent corrosion resistance. Additionally, the corrosion behavior and applicability of the developed Ni-based HVOF coating alloy were evaluated in an actual biomass boiler environment. |
| Proceedings Inclusion? |
Planned: |