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Effect of field strength and temperature on viscoelastic properties of electrorheological suspensions of urea modified silica particles

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F08%3A63507425" target="_blank" >RIV/70883521:28110/08:63507425 - isvavai.cz</a>

  • Alternative codes found

    RIV/61389013:_____/08:00324051

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effect of field strength and temperature on viscoelastic properties of electrorheological suspensions of urea modified silica particles

  • Original language description

    Temperature dependence of dynamic properties of suspensions of silica nanoparticles modified with urea during transition from liquid to quasi-solid state in the absence or presence of electric field has been investigated. In the absence of electric fieldthe loss modulus continuously decreased, whereas the complex viscosity and storage modulus decreased steeply as a result of increasing thermal motion of suspension particles and higher fluidity of the medium. To eliminate the temperature dependence of the field-off properties in the elastic structure of the particles polarized in the electric field, the relative moduli G /G 0 and G /G 0 have been proposed. Thus, while the relative loss modulus at a single low frequency (1.03 rad s-1) was virtually independent of temperature, the growth of relative storage modulus with temperature reflects higher rigidity of the suspension structure due to increasing particle polarization, in accordance with higher permittivity and lower relaxation time

  • Czech name

    Vliv intenzity elektrického pole a teploty na viskoelastické vlastnosti suspenzí částic siliky modifikované močovinou

  • Czech description

    V publikaci byla studována závislost dynamických vlastností suspenzí nanočástic siliky modifikované močovinou během přechodu z kapalného do kvazi-tuhého stavu vlivem elektrického pole.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CD - Macromolecular chemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Colloids and Surfaces A: Physicochemical and Engineering Aspects

  • ISSN

    0927-7757

  • e-ISSN

  • Volume of the periodical

    316

  • Issue of the periodical within the volume

    1-3

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    6

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database