Application of creep small punch testing in assessment of creep lifetime

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F09%3A00326696" target="_blank" >RIV/68081723:_____/09:00326696 - 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
Application of creep small punch testing in assessment of creep lifetime
Original language description
In this contribution, the problem is investigated, whether the dependence of the time to rupture on the acting force in small punch tests can be analyzed in the same way as the dependence of time to rupture on the applied stress in conventional tensile creep tests. Two comparable sets of constant-force small punch tests and relevant conventional creep tests on P91 steel were performed at temperatures from 823 to 873 K. The experimental results were analyzed using various parametric approaches (Larsson-Miller, Fisher-Dorn, etc.) very well-known from conventional creep testing. It is shown that the methods based on time-temperature parameter can be used also for a description of small punch test data. The best description can be achieved with the Sud-Aviation parameter.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Project
<a href="/en/project/1QS200410502" target="_blank" >1QS200410502: Properties of engineering materials under development applicable in the near future in traffic, medicine and power generating industry</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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