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Impact strength of Epoxy composites with fly ashe as the fillers

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F18%3A00005546" target="_blank" >RIV/46747885:24410/18:00005546 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.aachen-dresden-denkendorf.de/itc/" target="_blank" >http://www.aachen-dresden-denkendorf.de/itc/</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Impact strength of Epoxy composites with fly ashe as the fillers

  • Original language description

    Samples of epoxy composites containing three types of fly ash were prepared. The used epoxy resin system was low molecular weight unmodified epoxy resin based on bisphenol A, certified EPD for significant CO2 savings in production, low oil content and high content of renewable resources [1]. As fillers were used the following materials: (A). fly ashe not milled, (B). fly ashe dry milled, (C). fly ashe wett milled. All particles were added in 1-5 wt% concentrations. For composites with milled fly ashes, that the impact strength of fly ashe-polymer composites is incresing with increase in fillers weight percentage. The particle size plays important role in the impact strength. While composites with non-milled fly ashe have a lower impact strength compared to the strength of unrefined resins. The presence of the voids is the main reason for the reduction of the impact strength of the composites containing fly ashes, these voids work as stress concentration centers. The formation of these voids is due to many reasons including the agglomeration of the particles, lack in drying the particles or the lack in wetting of the particles by the matrix that causes air trapping.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2018

  • Confidentiality

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