Comparison of Hardness, Tensile Stress and Yield Stress, Depending on Temperature and Annealing Time of Degradation of P91 Steel

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60193247%3A_____%2F12%3AUJP1521B" target="_blank" >RIV/60193247:_____/12:UJP1521B - 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
Comparison of Hardness, Tensile Stress and Yield Stress, Depending on Temperature and Annealing Time of Degradation of P91 Steel
Original language description
Presented paper is devoted to checking the properties of weld joints of P91 steel considering the heat affected zone. Similar welds of P91 steel were subjected to isothermal heat exposure at 650° C for 650, 1000, 2007, 5000 and 10 000 hrs. The main focuswas to examine the mechanical properties of weld joins using hardness and tensile tests. Tensile tests were carried out at temperatures of 20, 600 and 650 °C of welded joints after PWHT and as-exposed to isothermal endurance during 10 000 hrs. Also, hardness was measured at three levels, i.e. in the centre and near both surfaces. The aim was to determine the relationship between hardness and strength of the welds.
Czech name
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Czech description
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Project
<a href="/en/project/2A-1TP1%2F057" target="_blank" >2A-1TP1/057: The resolution of material and technological innovations for power and chemical facilities of new generation working under high temperatures</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

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

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