| Autor: |
Moffat, JP, Whitfield, TE, Christofidou, KA, Pickering, EJ, Jones, NG, Stone, HJ |
| Přispěvatelé: |
Jones, Nick [0000-0002-1851-2261], Stone, Howard [0000-0002-9753-4441], Apollo - University of Cambridge Repository |
| Rok vydání: |
2020 |
| Předmět: |
|
| Popis: |
Degradation of the mechanical integrity of cobalt-based superalloys can occur as the carbide network is progressively oxidised during high temperature service. In this study, a heat-treatment aimed at redistributing the carbides was tested on two similar commercial Co-based superalloys, one with high C content (Co-101) and one with low C content (Stellite-21), to determine its influence on oxidation resistance. It was found that the carbide phases in the lower C-containing alloy could be solutioned more readily than the higher C-containing alloy, enabling the continuity of the carbide network to be reduced. This resulted in a reduced attack of the carbides down the interdendritic channels during oxidation testing, but increased thickness of the oxide overscale. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
