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    Wyświetlanie 1-2 z 2
    Tytuł:
    Use of 3d optical techniques in the analysis of the effect of adding rubber recyclate to the matrix on selected strength parameters of epoxy–glass composites
    Autorzy:
    Charchalis, Adam
    Kneć, Marcin
    Żuk, Daria
    Abramczyk, Norbert
    Powiązania:
    https://bibliotekanauki.pl/articles/2233711.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    epoxy–glass composite
    ARAMIS SRX
    static tensile test
    rubber recyclate
    3D optical techniques
    Opis:
    The article presents a method of modifying the strength properties of epoxy–glass composite by changing the percentage composition of the matrix by the addition of rubber recyclate. Taking into account environmental protection and economic conditions in the process of recycling and utilisation of waste, it is advisable to look for applications of non-degradable waste materials. Based on epoxy resin, a glass mat with a random direction of fibres and rubber recyclate, a test material with different percentage compositions was produced. Samples from the manufactured materials were subjected to a static tensile test on a ZwickRoell testing machine using the ARAMIS SRX measuring system. In addition, CT (computerized tomography) scans of the inside of the samples were made using a ZEISS METROTOM 6 Scout tomograph, and observations of the internal structures were made using a scanning electron microscope. The use of optical and microscopic techniques enabled the precise determination of strength parameters of the examined composites and the analysis of the behaviour of samples under load. The analysis of deformations over time in the examined samples showed a beneficial effect of the addition of rubber recyclate on the elastic properties of the examined composites.
    Źródło:
    Acta Mechanica et Automatica; 2023, 17, 3; 333--346
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of the type of layered distribution of rubber recyclate as an additive modifying the mechanical properties of epoxy-glass composites
    Autorzy:
    Abramczyk, N.
    Żuk, D.
    Panasiuk, K.
    Dyl, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/24200603.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    epoxy-glass composites
    recycling
    rubber recyclate
    static tensile test
    modification
    kompozyty epoksydowo-szklane
    recykling
    recyklat gumowy
    statyczna próba rozciągania
    modyfikacja
    Opis:
    Purpose: The research aimed to determine the effect of adding rubber recyclate as a sandwich layer of sandwich composites made based on glass mat and epoxy resin EPO 652. Design/methodology/approach: Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier. Findings: Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier. Research limitations/implications: As a result of the conducted research, the fundamental influence of the recyclate additive and its distribution method on the changes in parameters recorded during the static tensile test was clearly found. Practical implications: The analyses carried out enable the selection of the optimal material variant depending on the intended application. Originality/value: The analysis of the preliminary results obtained during the research showed that epoxy-glass composites based on EPO 652 resin with the addition of rubber recyclate in the form of two and three sandwich layers have better strength parameters than the composite with random addition of recyclate to the matrix. The material characterized by the highest plasticity is a variant with two layers of recyclate spacers. At the same time, it can be stated that the highest values of relative deformation ε obtained a composite with one sandwich layer of rubber recyclate.
    Źródło:
    Archives of Materials Science and Engineering; 2022, 118, 2; 61--66
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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