EFFECTIVE PROPERTIES OF CERAMIC-MATRIX COMPOSITES

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F09%3A00021608" target="_blank" >RIV/60461373:22310/09:00021608 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

EFFECTIVE PROPERTIES OF CERAMIC-MATRIX COMPOSITES

Popis výsledku v původním jazyce

Rigorous micromechanical bounds are recalled for conductivity, permittivity, and elastic moduli, and applied to estimate the effective properties of ceramic-matrix composites, with a special focus on alumina-zirconia composites. A simple empirical weighting procedure is proposed, which adequately describes the typical S-shape of many property-composition curves. Other relations are mentioned (Bruggeman-Landauer, power-law, exponential), and the effects of inclusion anisometry, orientation, contact and overlap are briefly discussed. The volume-weighted averages of the bounds provide remarkably good estimates of many published data. Many effective properties of ceramic-matrix composites are satisfactorily estimated by the volume-weighted averages of thebounds and, for porous materials, by the exponential relation. Anisometric inclusions (and their preferential orientation) shift the effective properties away from the sphere predictions, while contact or overlap of low-property-value inc

Název v anglickém jazyce

EFFECTIVE PROPERTIES OF CERAMIC-MATRIX COMPOSITES

Popis výsledku anglicky

Rigorous micromechanical bounds are recalled for conductivity, permittivity, and elastic moduli, and applied to estimate the effective properties of ceramic-matrix composites, with a special focus on alumina-zirconia composites. A simple empirical weighting procedure is proposed, which adequately describes the typical S-shape of many property-composition curves. Other relations are mentioned (Bruggeman-Landauer, power-law, exponential), and the effects of inclusion anisometry, orientation, contact and overlap are briefly discussed. The volume-weighted averages of the bounds provide remarkably good estimates of many published data. Many effective properties of ceramic-matrix composites are satisfactorily estimated by the volume-weighted averages of thebounds and, for porous materials, by the exponential relation. Anisometric inclusions (and their preferential orientation) shift the effective properties away from the sphere predictions, while contact or overlap of low-property-value inc

Druh

D - Stať ve sborníku

CEP obor

JH - Keramika, žáruvzdorné materiály a skla

OECD FORD obor

—

Projekt

<a href="/cs/project/IAA401250703" target="_blank" >IAA401250703: PORÉZNÍ KERAMIKA, KERAMICKÉ KOMPOZITY A NANOKERAMIKA</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Functional and Structural Ceramic and Ceramic Matrix Composites (CCMC) - Proceedings of Symposium I of the 2008 E-MRS Fall Meeting, Warsaw

ISBN

978-966-02-5138-0

ISSN

—

e-ISSN

—

Počet stran výsledku

8

Strana od-do

—

Název nakladatele

Frantsevich Institute for Problems of Materials Science of NAS of Ukraine

Místo vydání

Kyjev

Místo konání akce

Warsaw

Datum konání akce

15. 9. 2008

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—