MICROSTRUCTURE CHANGES OF P92 WELD DURING CREEP EXPOSURE

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25861697%3A_____%2F14%3A%230000025" target="_blank" >RIV/25861697:_____/14:#0000025 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
MICROSTRUCTURE CHANGES OF P92 WELD DURING CREEP EXPOSURE
Original language description
This work is a contribution to the research of modified heat resistant steel P92. This steel is currently one of the best modified chromium steels in terms of achieved values of creep rupture strength. The article is focused on microstructure investigation of P92 weld after creep deformation. Up to date results of creep rupture test of P92 welds are presented here too. The microstructure in the as welded condition and after long-term creep exposure (26.000 hours/600°C) of P92 welds has been investigatedand microstructural parameters were detrmined. Results of intercritical zone of heat affected zone (HAZ) are compared with parameters of parent material, which is not influence by welding. Results of TEM analyses reveal deteriorating effect of welding procedure on microstructure of P92 welds during subsequent creep exposure
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI3%2F206" target="_blank" >FR-TI3/206: *Optimization of welding technology and heat treatment technology on modified 9% Cr steel for USC boilers of thermal power plants.</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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