Failure of austenitic stainless steel tubes during steam generator operation - Publication - Bridge of Knowledge

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Failure of austenitic stainless steel tubes during steam generator operation

Abstract

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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Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Journal of Achievements in Materials and Manufacturing Engineering no. 55,
ISSN: 1734-8412
Language:
English
Publication year:
2012
Bibliographic description:
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),
Verified by:
Gdańsk University of Technology

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