About: Young's modulus of isotropic porous materials with spheroidal pores

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Based on the Eshelby solution for the single-inclusion problem and Wu's specification of this solution to spheroidal pores, we show that theEshelby-Wu coefficients for Young's modulus, in contrast to their counterparts for the bulk and shear moduli, are quite insensitive to changes of the Poisson ratio. Therefore the Eshelby-Wu coefficients of Young's modulus can be described (to a very good approximation) by a unique function of the aspect ratio, which is calculated in this paper and for which a master curve is obtained by segment-wise fitting. Also the implementation of the Eshelby-Wu coefficients into the well-known effective medium approximations (Maxwell, self-consistent, differential) and our exponential relation is discussed. Irrespective of the model into which the Eshelby-Wu coefficients are implemented, prolate pore shape affects the porosity dependence of Young's modulus only very weakly, whereas oblate pore shape can lead to an arbitrary reduction of Young's modulus. Based on the Eshelby solution for the single-inclusion problem and Wu's specification of this solution to spheroidal pores, we show that theEshelby-Wu coefficients for Young's modulus, in contrast to their counterparts for the bulk and shear moduli, are quite insensitive to changes of the Poisson ratio. Therefore the Eshelby-Wu coefficients of Young's modulus can be described (to a very good approximation) by a unique function of the aspect ratio, which is calculated in this paper and for which a master curve is obtained by segment-wise fitting. Also the implementation of the Eshelby-Wu coefficients into the well-known effective medium approximations (Maxwell, self-consistent, differential) and our exponential relation is discussed. Irrespective of the model into which the Eshelby-Wu coefficients are implemented, prolate pore shape affects the porosity dependence of Young's modulus only very weakly, whereas oblate pore shape can lead to an arbitrary reduction of Young's modulus. (en)
Title	Young's modulus of isotropic porous materials with spheroidal pores Young's modulus of isotropic porous materials with spheroidal pores (en)
skos:prefLabel	Young's modulus of isotropic porous materials with spheroidal pores Young's modulus of isotropic porous materials with spheroidal pores (en)
skos:notation	RIV/60461373:22310/14:43898226!RIV15-GA0-22310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP108/12/1170)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Gregorová, Eva Pabst, Willi
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	56512
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/14:43898226
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Elastic properties (Young's modulus, shear modulus, bulk modulus); Mechanical properties; Porosity; Inclusions (en)
http://linked.open.../riv/klicoveSlovo	shear modulus Mechanical properties Porosity Inclusions Elastic properties (Young's modulus bulk modulus)
http://linked.open...odStatuVydavatele	BE - Belgické království
http://linked.open...ontrolniKodProRIV	[B8960E2C6726]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Porous Ceramics with Tailored Elasticity and Thermal Conductivity
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	34
http://linked.open...iv/tvurceVysledku	Gregorová, Eva Pabst, Willi
issn	0955-2219
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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