Effect of Thermal Ageing on Changes in Modulus of Elasticity E Measured by Ultrasound, Bending Test and EBSD
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F25%3AN0000041" target="_blank" >RIV/26722445:_____/25:N0000041 - isvavai.cz</a>
Result on the web
<a href="https://journalmt.com/artkey/mft-202503-0008_effect-of-thermal-ageing-on-changes-in-modulus-of-elasticity-e-measured-by-ultrasound-bending-test-and-ebsd.php" target="_blank" >https://journalmt.com/artkey/mft-202503-0008_effect-of-thermal-ageing-on-changes-in-modulus-of-elasticity-e-measured-by-ultrasound-bending-test-and-ebsd.php</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.21062/mft.2025.038" target="_blank" >10.21062/mft.2025.038</a>
Alternative languages
Result language
angličtina
Original language name
Effect of Thermal Ageing on Changes in Modulus of Elasticity E Measured by Ultrasound, Bending Test and EBSD
Original language description
The materials used in VVER nuclear power plants are subject to thermal ageing in operation, among other degradation mechanisms. The aim of the experiment was to verify the effect of thermal ageing on the change of ultrasound velocity on the extracted parts of main circulation piping and pressurizer surge line made of austenitic steels. Two steel conditions were evaluated, as received and thermally aged. The research was carried out on samples made from non-operated pipelines and samples from pipelines after 28 years of operation. The samples were subjected to thermal ageing at 450 degrees C in an atmospheric furnace with a specified exposure time to simulate extended operation of the component for 60 years, where 1 year of operation means 10 months at 100 %-unit power and 2 months in shutdown. The samples were subjected to ultrasonic property measurements and the longitudinal and transverse wave velocities obtained are further used to calculate the Poisson's constant and elastic modulus E of the material. To verify the ultrasonic measurements, the samples were also subjected to mechanical tests to verify the changes in the mechanical properties in terms of elastic behaviour of the selected steels when subjected to a static 3-point flexural test and Electron backscatter diffraction analysis (EBSD).
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Manufacturing Technology
ISSN
1213-2489
e-ISSN
2787-9402
Volume of the periodical
25
Issue of the periodical within the volume
3
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
8
Pages from-to
405-412
UT code for WoS article
001567642600013
EID of the result in the Scopus database
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