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Abstract
The paper presents results of research and failure analysis undertaken to determine failure causes of a steam turbine casing. After 130,000 hours of service the crack in a outer shell of the turbine casing was found. The inner shell of the casing was made of cast steel grade G21CrMoV5-7, and the outer shell of grade G20CrMo4-5. Following research were performed in order to determine causes of the casing failure: chemical analysis; microstructure examinations with the use of light microscope, scanning electron microscope (SEM); mechanical properties examinations using the Charpy impact test, and Vickers hardness test; fracture mode evaluation with SEM.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Solid State Phenomena
no. 183,
pages 37 - 42,
ISSN: 1012-0394 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Ćwiek J., Łabanowski J., Topolska S., Sozańska M.: Determination of Failure Causes of a Steam Turbine Casing// Solid State Phenomena. -Vol. 183., (2012), s.37-42
- Verified by:
- Gdańsk University of Technology
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