About: Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3

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About: Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Thermal conductivity is one of the essential properties of ceramic materials with respect to their application as insulation materials, refractories or materials for electronics. The topic of this contribution is the estimation and calculation of the thermal conductivity of Al2O3 ? ZrO2 composite ceramics using analytical and numerical approaches. Both the dependence of thermal conductivity on the composition and on the grain size is taken into account for one- and two-phase composites. In the first part, an analytical solution of the dependence on the composition based upon the micromechanical bounds (Hashin-Shtrikman bounds) and on the grain size based upon the phase mixture approach is presented with the use of a relatively new relation (sigmoidal average). For the estimation of the latter a model of grain boundary as a separate phase of thickness 1nm and thermal conductivity close to that of glasses and amorphous dielectrics, viz. 1.1W/mK is assumed. The second part presents numerical calculations Thermal conductivity is one of the essential properties of ceramic materials with respect to their application as insulation materials, refractories or materials for electronics. The topic of this contribution is the estimation and calculation of the thermal conductivity of Al2O3 ? ZrO2 composite ceramics using analytical and numerical approaches. Both the dependence of thermal conductivity on the composition and on the grain size is taken into account for one- and two-phase composites. In the first part, an analytical solution of the dependence on the composition based upon the micromechanical bounds (Hashin-Shtrikman bounds) and on the grain size based upon the phase mixture approach is presented with the use of a relatively new relation (sigmoidal average). For the estimation of the latter a model of grain boundary as a separate phase of thickness 1nm and thermal conductivity close to that of glasses and amorphous dielectrics, viz. 1.1W/mK is assumed. The second part presents numerical calculations (en)
Title	Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics (en)
skos:prefLabel	Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics (en)
skos:notation	RIV/60461373:22310/10:00022975!RIV11-MSM-22310___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Pabst, Willi Hostaša, Jan
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	246544
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/10:00022975
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Alumina; Beran bounds; composites; FEM; grain boundary; Hashin-Shtrikman bounds; nanocrystalline ceramics; numerical simulations; sigmoidal average; thermal conductivity; Wiener bounds; zirconia. (en)
http://linked.open.../riv/klicoveSlovo	grain boundary Beran bounds Hashin-Shtrikman bounds Wiener bounds nanocrystalline ceramics zirconia. Alumina FEM numerical simulations composites thermal conductivity sigmoidal average
http://linked.open...odStatuVydavatele	GE - Gruzie
http://linked.open...ontrolniKodProRIV	[5957A8572249]
http://linked.open...i/riv/nazevZdroje	Ceramics - J. Georg. Ceram. Assoc.
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...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	23 (2010)
http://linked.open...iv/tvurceVysledku	Pabst, Willi Hostaša, Jan
http://linked.open...n/vavai/riv/zamer	Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	1512-0325
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	22310
is http://linked.open...avai/riv/vysledek of	Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics Analytical and Numerical Calculations of the Thermal Conductivity of Al2O3 - ZrO2 Composite Ceramics

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