Failure investigations of a first stage Ni based super alloy gas turbine blade
| Autor: | Vikas Rastogi, Sushila Rani, Atul Kumar Agrawal |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Gas turbines
Materials science Finite element software Metallurgy Stress evaluation 02 engineering and technology Nickel based 021001 nanoscience & nanotechnology Microstructure Corrosion Superalloy 020303 mechanical engineering & transports 0203 mechanical engineering 0210 nano-technology Overheating (electricity) |
| Zdroj: | Materials Today: Proceedings. 5:477-486 |
| ISSN: | 2214-7853 |
| DOI: | 10.1016/j.matpr.2017.11.108 |
| Popis: | This paper deals with the failure investigations of the first stage gas turbine blade of 30MW gas turbine. This blade is manufacture with of nickel based super alloy IN738. The main focus of the paper is to found the causes of failure of the blade. The investigations included the visual inspection, SEM fractrography, chemical analysis, microstructure analysis, X-ray diffraction and stress evaluation by using Finite Element Software ANSYS. By these investigations, it is found that the blade failure takes place due to the combined effect of erosion, oxidation, overheating, and hot corrosion. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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