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    The effect of organic and inorganic fibres on the mechanical and thermal properties of aluminate activated geopolymers

    Access Status
    Fulltext not available
    Authors
    Masi, G.
    Rickard, W.
    Bignozzi, M.
    Van Riessen, Arie
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Masi, G. and Rickard, W. and Bignozzi, M. and Van Riessen, A. 2015. The effect of organic and inorganic fibres on the mechanical and thermal properties of aluminate activated geopolymers. Composites Part B: Engineering. 76: pp. 218-228.
    Source Title
    Composites Part B: Engineering
    DOI
    10.1016/j.compositesb.2015.02.023
    ISSN
    1359-8368
    School
    John de Laeter CoE in Mass Spectrometry
    URI
    http://hdl.handle.net/20.500.11937/16068
    Collection
    • Curtin Research Publications
    Abstract

    The addition of fibres to a brittle matrix is a well-known method to improve the flexural strength. However, the success of the reinforcements is dependent on the interaction between the fibre and the matrix. This paper presents the mechanical and microstructural properties of PVA and basalt fibre reinforced geopolymers. Moreover low density and thermal resistant materials used as insulating panels are known be susceptible to damage due to their poor flexural strength. As such the thermal and fire resistance properties of foamed geopolymers containing fibre reinforcement were also investigated. The results highlight that the presence of PVA fibres greatly increased the flexural strength and the toughness of the geopolymer composite, while the presence of basalt fibres improved the flexural behaviour of the composite after high temperature exposure.

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