New test approach and evaluation of dynamic and thermal parameters of elastomers

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F09%3A00331718" target="_blank" >RIV/61388998:_____/09:00331718 - 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
New test approach and evaluation of dynamic and thermal parameters of elastomers
Original language description
The design, realization of experiment and discussion on results of the new test approach for evaluation of thermo-visco-elastic parameters are herein presented. The main attention is devoted to a kinematically excited rubber beam specimen under transientresonant sweep excitation. Mechanical material characteristics, i.e. Young modulus and loss angle, are identified from analytical formulas of frequency response function based on measured dynamic loading and response signals. Heat material constants were estimated indirectly by numerical thermo-mechanical FE model and matching numerical and experimental results. The ?sweep regime tests serve for estimation of thermal and mechanical dependences. In this way the dependence of Young modulus on minus temperatures were tested in the temperature chamber. Long-term fatigue tests with cyclic resonant loading enable analysis of material degradation, such as hardening and permanent deformations.
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
BI - Acoustics and oscillation
OECD FORD branch
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Project
<a href="/en/project/GA101%2F09%2F1166" target="_blank" >GA101/09/1166: Research of dynamic behaviour and optimalization of complex rotating systems with non-linear couplings and high damping materials</a><br>
Continuities
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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