Microstructural Evolution in a P23/P91 Dissimilar Weldment during Creep Exposition at 500, 550 and 600°C

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25870807%3A_____%2F09%3A%230000134" target="_blank" >RIV/25870807:_____/09:#0000134 - 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
Microstructural Evolution in a P23/P91 Dissimilar Weldment during Creep Exposition at 500, 550 and 600°C
Original language description
Integrity of heterogeneous welds in power plant applications during long-term service at elevated temperatures strongly depends on microstructural evolution in individual weld zones. A very important mechanism of microstructural degradation of dissimilarwelds represents ?up-hill? diffusion of interstitial elements from low alloyed steel to high alloyed steel. The redistribution of interstitial elements can induce weakening of the low alloyed steel in regions close to the fusion boundary which are depleted of carbon. On the other hand the carburized layer on the opposite side of the fusion boundary is much stronger than the surrounding high alloyed matrix. In nitrogen containing steels the redistribution of nitrogen is important too.
Czech name
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Czech description
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Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
XXIV. Miedzynarodowe Sympozjum Metody oceny struktury oraz wlastnosci materialow i wyrobow, Mechanika, Zeszyt 95, Nr. 332/2009
ISBN
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ISSN
1429-6055
e-ISSN
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Number of pages
7
Pages from-to
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Publisher name
Politechnika Opolska
Place of publication
Opole, Polsko
Event location
Opole, Posko
Event date
Jan 1, 2009
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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