Microstructure and Mechanical Properties of Modified Chromium and Low Alloy CrMoV Steel?s Weld Joints after Long Term Creep Exposure

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F12%3A86083286" target="_blank" >RIV/61989100:27230/12:86083286 - 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 and Mechanical Properties of Modified Chromium and Low Alloy CrMoV Steel?s Weld Joints after Long Term Creep Exposure
Original language description
The fundamental knowledge of structural evolution, strengthening and degradation processes occurring during creep exposure is a prerequisite for successful development of ferritic steels with higher creep resistance. Weld joints on tubes from the creep resistance Cr-Mo-V low alloy and P91 steel have been studied to characterize the changes in microstructure that occur during long term creep exposure at 575°C for up to approximately 95.000 hours. The metallographic study included transmission microscopyinvestigation and quantitative evaluation has been carried out in order to determine variations in the size and distribution of minor phase particles and subgrain structures in the base material, heat affected zones and weld metal. Precipitation strengthening of the creep resistant ferritic steels depends on the interparticle spacing (IPS) of secondary phases. Particular M23C6 and MX particles have been defined for more correct information about precipitate dispersion and mainly for effe
Czech name
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Czech description
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Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Creep 2012 : Creep and Fracture of Engineering Materials and Structures : proceedings of the 12th International Conference on ... (JIMIS 11), held at Kyoto TERRSA, Kyoto, Japan, May 27-31, 2012
ISBN
978-4-88903-407-3
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
"B42"-"B43"
Publisher name
The Japan Institute of Metals
Place of publication
Sendai
Event location
Kjóto
Event date
May 27, 2012
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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