The Poisson ratio of porous materials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F09%3A00021604" target="_blank" >RIV/60461373:22310/09:00021604 - 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 Poisson ratio of porous materials
Original language description
According to classical continuum mechanics the Poisson ratio can be calculated via standard elasticity relations from two measured moduli or ultrasonic velocities. However, it is a long-standing problem of materials science to correctly predict the porosity dependence of the effective Poisson ratio of porous materials. In this contribution the different attempts to solve this problem are reviewed and a new solution is proposed. In particular, we compare the Poisson ratio prediction using three differentrelations: the linear non-interaction approximation, the Phani-Niyogi power-law relation, as well as two relations recently proposed by the authors (an exponential relation and an extended Coble-Kingery type relation). It is found that using our exponential relation the Poisson ratio prediction seems to be the most realistic. In contrast to the other alternatives it is in relatively good accordance with a large amount of literature data and ? supporting the ideas of several other author
Czech name
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Czech description
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Project
<a href="/en/project/IAA401250703" target="_blank" >IAA401250703: POROUS CERAMICS, CERAMIC COMPOSITES AND NANOCERAMICS</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

Article name in the collection
Characterisation of Porous Solids VIII - Proceedings of the 8th International Symposium on the Characterisation of Porous Solids, Edinburgh
ISBN
978-1-84755-904-3
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
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Publisher name
Royal Society of Chemistry
Place of publication
Cambridge
Event location
Edinburgh
Event date
Jun 10, 2008
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000269656900056

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