MATERIAL ANALYSIS OF DEGRADED STEAM TURBINE ROTOR

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25870807%3A_____%2F16%3AN0000021" target="_blank" >RIV/25870807:_____/16:N0000021 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27360/16:86099875
Result on the web
<a href="http://www.uniza.sk/komunikacie" target="_blank" >http://www.uniza.sk/komunikacie</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
MATERIAL ANALYSIS OF DEGRADED STEAM TURBINE ROTOR
Original language description
This article deals with structural, fractographic and non-destructive analysis of a defective rotor made of 26NiCrMoV14-5 steel and assessment of possible technological failures resulting in the occurrence of cracking and subsequent defects. Metallographic analysis of the microstructure and evaluation of the steel metallographic purity were executed, including analysis of inclusions present and ultrasonic testing. Attention was paid to fractographic analysis of fracture areas. Degradation possibilities were monitored in relation to technological failures. The aim was to elucidate the cause of the rotor defect hindering its operational use. Keywords: Material analysis, production technology, metallurgical purity, hydrogen embrittlement, degradation.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Project
<a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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