Failure Analysis of Steel Seal Ring Used in Turbomachinery
The purpose of this study is to identify the failure cause of the steel seal ring used in nuclear steam turbines. New high nickel steel alloy seal ring was compared with the failed seal ring. Metallographic analysis, scanning electron microscopy, nanoindentation and in-situ tensile testing were used to analyze the reasons of the seal ring failure at both macroscopic and microscopic scales. The main reason of the seal ring failure is a combination of stress and elevated temperature during turbine operation. Complex work environment caused recrystallization and recovery, resulting in grain refinement and secondary phases precipitation. Many sec…
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Produktdetails
- ISBN: 978-3-330-31942-4
- EAN: 9783330319424
- Produktnummer: 37533463
- Verlag: LAP Lambert Academic Publishing
- Sprache: Englisch
- Erscheinungsjahr: 2017
- Seitenangabe: 68 S.
- Masse: H22.0 cm x B15.0 cm x D0.4 cm 119 g
- Abbildungen: Paperback
- Gewicht: 119
Über den Autor
Wenbo Wang graduated from the Lanzhou University of Technology in China with the bachelordegree of welding technology and engineering. He earned the certification of InternationalWelding Engineer during his undergraduate study. He also earned master degree ofMSE at the University of South Florida (USF). Now he is pursuing PhD program at USF.
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