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Preparation of porous alumina ceramics by uniaxial pressing with saccharides and polysaccharides and their characterization

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F12%3A43894500" target="_blank" >RIV/60461373:22310/12:43894500 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Preparation of porous alumina ceramics by uniaxial pressing with saccharides and polysaccharides and their characterization

  • Original language description

    Mono-, di- and polysaccharides (glucose, sucrose, inulin and rice starch) were tested with respect to their performance as potentially useful pore formers (and pressing aids) for the uniaxial pressing of dry ceramic powders into disk-shaped compacts (tablets). For this purpose, mixtures of alumina powders with 10, 30 and 50 vol.% of these organic additives were uniaxially pressed at 100 MPa. The organic additives to be used as pore formers were characterized via microscopic image analysis, and the mechanical strength of the as-pressed composite tablets before firing was determined via diametrical compression tests (Brazilian tests). Powder compacts were fired at 1550 °C and their ceramic microstructure after firing (and burnout of the organic pore formers) was characterized by the Archimedes method and by mercury porosimetry. Thermal conductivity measurements were made via the laser-flash method and confirmed a decrease with increasing porosity. A microscopic study was performed to cha

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JH - Ceramics, fire-proof materials and glass

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP108%2F12%2F1170" target="_blank" >GAP108/12/1170: Porous Ceramics with Tailored Elasticity and Thermal Conductivity</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2012

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Proceedings of the 8th International Conference on Polysaccharides-Glycoscience

  • ISBN

    978-80-86238-28-9

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    65-70

  • Publisher name

    Česká chemická společnost

  • Place of publication

    Praha

  • Event location

    Praha

  • Event date

    Nov 28, 2012

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article