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Abstrakt
The article presents the failure process of austenitic stainless steels used in power devices, such as heat exchangers, steam generators, in terms of local corrosion: pitting, stress and intergranular corrosion, paying particular attention to welded joints area. The effect of steel chemical composition, microstructure, welding process and work environment was analyzed. The second part of the article presents the results of the metallographic investigations conducted on the damaged steam generator coil performed with the use of light microscope and scanning electron microscope equipped with the EDS analysis device. On the base of obtained results some recommendations have been define relating to steel grade selection, processing (welding) technology, and the working environment, in order to increase the life time of power generation equipment.
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- Accepted albo Published Version
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Opublikowano w:
-
Journal of Achievements in Materials and Manufacturing Engineering
nr 55,
ISSN: 1734-8412 - Język:
- angielski
- Rok wydania:
- 2012
- Opis bibliograficzny:
- Topolska S., Łabanowski J., Głowacka M.: Failure of austenitic stainless steel tubes during steam generator operation// Journal of Achievements of Materials and Manufacturing Engineering. -Vol. 55., nr. iss. 2 (2012),
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 132 razy