Detection of structural changes in heat-resistant steels after heat and creep strain using elechtrochemical method

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F12%3A43894740" target="_blank" >RIV/60461373:22310/12:43894740 - 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
Detection of structural changes in heat-resistant steels after heat and creep strain using elechtrochemical method
Original language description
This work is focused on evaluation of material changes of heat and creep strained steels Cr-Mo, Cr-W (P91, P92) using electrochemical methods. Samples were exposed at temperatures 600 - 650 °C for different times (up to 20 000 h) and by application of various strain. Structural changes were evaluated by polarization methods, structure of steels was characterized using light and scanning electron microscope. On measured polarization curves significant local peaks in the passive / transpassive area were observed. Correlation between curve characteristic parameters and time of heating was determined. It is also shown, that electrochemical method could be used for detection of structural instability and creep damage of material.
Czech name
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Czech description
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Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of 21st International Conference on Metallurgy and Materials
ISBN
978-80-87294-29-1
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1-6
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno
Event date
May 23, 2012
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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