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    Flexural properties of macadamia nutshell particle reinforced polyester composites

    186608_186608.pdf (683.0Kb)
    Access Status
    Open access
    Authors
    Dong, Chensong
    Davies, Ian
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Dong, Chensong and Davies, Ian J. 2012. Flexural properties of macadamia nutshell particle reinforced polyester composites. Composites Part B: Engineering. 43 (7): pp. 2751-2756.
    Source Title
    Composites Part B-Engineering
    DOI
    10.1016/j.compositesb.2012.04.035
    ISSN
    1359-8368
    Remarks

    NOTICE: this is the author’s version of a work that was accepted for publication in Composites Part B: Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composites Part B: Engineering, Volume 43, Issue 7, October 2012, Pages 2751–2756, http://dx.doi.org/10.1016/j.compositesb.2012.04.035

    URI
    http://hdl.handle.net/20.500.11937/27603
    Collection
    • Curtin Research Publications
    Abstract

    A study on the flexural properties of macadamia nutshell particle reinforced polyester composites is presented in this paper. The macadamia nutshell/polyester composites were made as per the hand layup procedure and the instructions provided by the manufacturers. These specimens were then tested in the three point bend configuration in accordance with ASTM D790-07 at a span to depth ratio of 16. Four weight fractions of macadamia nutshell particles 10%, 20%, 30% and 40% were chosen to be studied. The process-induced voids were studied and it is shown that voids play an important role in flexural properties. When voids exist, flexural modulus was calculated using a micromechanical model. It is shown from both the experimental results and calculation that flexural modulus increases with the weigh fraction of macadamia nutshell particles, while decreases with increasing void content. Adding macadamia nutshell particles does not improve the flexural strength of polyester. It is shown flexural strength decreases with increasing void content.

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