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Rheological properties of alkali-activated brick powder based pastes: Effect of alkali activator and silicate modulus

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F18%3A00328182" target="_blank" >RIV/68407700:21110/18:00328182 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26110/18:PU128245

  • Result on the web

    <a href="http://dx.doi.org/10.4028/www.scientific.net/SSP.276.185" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/SSP.276.185</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/SSP.276.185" target="_blank" >10.4028/www.scientific.net/SSP.276.185</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Rheological properties of alkali-activated brick powder based pastes: Effect of alkali activator and silicate modulus

  • Original language description

    The rheological behaviour of alkali-activated materials prepared by activation of a brick powder by alkaline solution (alkali + water glass) is described. The influence of the composition of activation solution (NaOH vs. KOH, varied silicate modulus) on the flow properties (yield stress, consistency coefficient, fluidity index) and the evolution of the elastic modulus (G ') and the viscous modulus (G ' ') over time were studied. The rheological characterization was completed by frequency sweep tests with the aim of investigating the material behaviour more in detail. The results show that the pastes are thixotropic suspensions with very low yield stress. The potassium activator decreases the yield stress and viscosity of the pastes and retards the polymerization kinetic. The brick pastes become more rigid and more viscous with increasing silicate modulus. This also leads to an acceleration of gel formation in brick pastes.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20504 - Ceramics

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

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

Others

  • Publication year

    2018

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Solid State Phenomena

  • ISBN

    9783035713480

  • ISSN

    1662-9779

  • e-ISSN

  • Number of pages

    7

  • Pages from-to

    185-191

  • Publisher name

    TRANS TECH PUBLICATIONS LTD

  • Place of publication

    Zurich

  • Event location

    Brno

  • Event date

    Dec 7, 2017

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article