Temperature dependence of Young’s modulus and damping of porous alumina-mullite composites

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43928647" target="_blank" >RIV/60461373:22310/23:43928647 - isvavai.cz</a>
Result on the web
<a href="https://paginas.fe.up.pt/~icem20/proceedings_icem20/" target="_blank" >https://paginas.fe.up.pt/~icem20/proceedings_icem20/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Temperature dependence of Young’s modulus and damping of porous alumina-mullite composites
Original language description
Mullite is a key component of many ceramics and ceramic composites, including mullite-basedrefractories, the existence of anomalies in the temperature dependence of many properties,including elastic properties and damping, is a particularly interesting topic in current mulliteresearch, because they may be indicative of phase transitions. This contribution on porousalumina-mullite composites presents new results on this topic. Using temperature-dependentimpulse excitation, it is shown that Young’s modulus and damping generally exhibit ananomaly at around 1000 °C and, for mullite-rich compositions, another anomaly at around 300°C.
Czech name
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Czech description
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Project
<a href="/en/project/GA22-25562S" target="_blank" >GA22-25562S: Impulse excitation as an unconventional method for monitoring phase changes and microstructure evolution during thermal loading of materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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