The Effect of Sigma-Phase Formation on Long-Term Durability of SUPER 304H Steel
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60193247%3A_____%2F15%3AUJP1686H" target="_blank" >RIV/60193247:_____/15:UJP1686H - isvavai.cz</a>
Result on the web
<a href="http://www.metal2016.com/files/proceedings/21/papers/3662.pdf" target="_blank" >http://www.metal2016.com/files/proceedings/21/papers/3662.pdf</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
The Effect of Sigma-Phase Formation on Long-Term Durability of SUPER 304H Steel
Original language description
"This work presents results of the analysis of phases formed in a SUPER 304H steel during a medium-term static isothermal ageing (675°C/15000 h). The investigations of the precipitates were especially focused on the occurrence of sigma-phase because its formation leads to the serious embrittlement. The evaluation and distribution of brittle sigma-phase were determined on macroscopic level by using light microscopy/colour etching. The microstructure was also investigated on microscopic level by scanning electron microscopes Tescan Lyra 3 and JEOL JSM 5410 equipped by electron backscatter diffraction unit and by transmission electron microscope Jeol 2100F. This work also investigates the effect of sigma-phase formation on the impact strength of an aged state of SUPER 304H steel. For comparison reasons the microstructure and the mechanical properties of the initial as-received) state were also investigated. It was found that the formation of brittle sigma-phase in the aged and therefore degraded microstructure led to the significant decrease of the impact strength. The influence of brittle sigma-phase on long-term durability of the degraded steel regarding its insufficient impact strength is discussed."
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Result continuities
Project
<a href="/en/project/TA01010181" target="_blank" >TA01010181: Bending of tubes for overheaters and reheaters exchanging surfaces in new boilers.</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
METAL 2015 Conference proceedings
ISBN
978-80-87294-62-8
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
-1
Publisher name
TANGER Ltd.
Place of publication
Ostrava
Event location
Brno, Czech Republic
Event date
Jun 3, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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