Creep damage in steam pipelines and the use of metallography in verifying the possibilities of testing

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F22%3AN0000032" target="_blank" >RIV/26722445:_____/22:N0000032 - isvavai.cz</a>
Result on the web
<a href="https://www.scientific.net/KEM.923.107" target="_blank" >https://www.scientific.net/KEM.923.107</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/p-tej9vh" target="_blank" >10.4028/p-tej9vh</a>

Result language
angličtina
Original language name
Creep damage in steam pipelines and the use of metallography in verifying the possibilities of testing
Original language description
With high operating parameters of the medium in medium-pressure and high-pressure steam pipelines of fossil power plants, creep damage occurs, especially in welded joints leading to complete rupture of the pipe wall in the last phase. Detection of creep damage at an early stage before major cracks may occur can prevent these accidents. For these purposes, phased array ultrasonic testing was performed using a high frequency probe. This testing was performed on real welded joints cut from the power plant. To verify the possibility of detection, metallographic analysis on the tested locations was performed. By comparing the results, it is possible to refine the interpretation of the ultrasonic data and the metallographic results can also be used in the eventual qualification of non-destructive testing.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
20501 - Materials engineering

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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