THE EFFECT OF SPECIMEN SIZE FOR THE P91 STEEL AT ELEVATED AND HIGH TEMPERATURES

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00511063" target="_blank" >RIV/68081723:_____/17:00511063 - 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
THE EFFECT OF SPECIMEN SIZE FOR THE P91 STEEL AT ELEVATED AND HIGH TEMPERATURES
Original language description
The contribution aims to evaluate fracture toughness of the P91 steel in the ductile regime. This steel is broadly used for applications for pressure vessels and piping systems. The J-R curves were obtained using 1T, 0.5T and 0.25T CT specimens at 23 degrees C and using 0.5T and 0.25T CT specimens up to 600 degrees C. The energy normalization method for the J-R curve determination according to the ASTM E1820 was used. The resistance to crack propagation shows temperature dependence and the dynamic strain ageing effect with minimum values at 400 degrees C. Both specimen sizes 0.5T and 0.25T give a similar trend of the temperature dependence of fracture toughness. However, the size effect is observed as fracture toughness decreases with the specimen size. The results obtained are compared with the results of other authors pointing the specimen size effect and the temperature dependence of the steel.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
PROCEEDINGS OF THE ASME PRESSURE VESSELS AND PIPING CONFERENCE, 2017, VOL 1A
ISBN
978-0-7918-5790-8
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
V01AT01A068
Publisher name
ASME
Place of publication
New York
Event location
Waikoloa, Hawaii
Event date
Jul 16, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000422810300068

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