Comparison of Results of Long-time Creep Test and ACT of Dissimilar Weld Joint of Steel P22 and P91

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47718684%3A_____%2F11%3A%230000449" target="_blank" >RIV/47718684:_____/11:#0000449 - isvavai.cz</a>
Result on the web
<a href="http://vzuplzen.cz" target="_blank" >http://vzuplzen.cz</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Comparison of Results of Long-time Creep Test and ACT of Dissimilar Weld Joint of Steel P22 and P91
Original language description
Recently developed simulative accelerated creep test (ACT) on Gleeble thermal-mechanical simulator allows in a relatively short time (less than 100 hours) microstructural transformation of creep-resisting materials to the state, resembling that of multiyear application at creep conditions. This contribution deals with comparison of the conventional creep test (CCT) with the ACTof dissimilar weld joint. Creep tests to the rupture of the weld joint made of 9Cr-1Mo and 2.25Cr-1Mo ferrite base metals, 2.25Cr-1Mo steel weld metal were carried out at temperatures ranging from 525°C to 625°C in the stress range from 40 to 220 MPa. Creep rupture strength was evaluated using Larson-Miller parameter. Evolution of microstructure, changes of precipitates and dislocation substructure were correlated with the creep strength. Critical zones of creep damage were determined. At lower temperatures and higher stresses the weld joint ruptured in the base material of P22 steel unaffected by welding, while
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI2%2F080" target="_blank" >FR-TI2/080: New Technologies of Joining of Flow Turbine Components for Ultra Super Critical Parameters of Steam</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
IIW International Conference on Global Trends in Joining, Cutting and Surfacing Technology
ISBN
978-81-8487-152-4
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
910-916
Publisher name
Narosa Publishing house PVT. Ltd.
Place of publication
New Delhi
Event location
Chenai Trade Centre, Chennai, India
Event date
Jan 1, 2011
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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