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        Cellulosic fiber based hybrid composites: A comparative investigation into their structurally influencing mechanical properties

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        Final Accepted Version (PDF, 288Kb)
        Author
        Vignesh, V.
        Balaji, A. N.
        Rabi, B. R. M.
        Rajini, N.
        Ayrilmis, N.
        Karthikeyan, M. K. V.
        Mohammade, F.
        Ismail, S. O.
        Al-Lohedan, H. A.
        Attention
        2299/23517
        Abstract
        This paper focuses on hybrid and twisted hybrid Indian mallow/roselle cellulosic fiber yarn mat reinforced polyester composites and effects of their wood sawdust filler. The composite materials were fabricated using compression molding technique. There were four different combinations of hybrid yarn mat composite samples used, while the twisted hybrids were six. An evaluation of the hybrid and twisted hybrid mechanical properties for the single and double layer cases of the yarn mat was done with and without wood sawdust filler effects. The samples were tested at both warp and weft directions. From the results obtained at warp direction, it was observed that for the hybrid double layer case, longitudinal yarn mat with wood sawdust (filler) composite sample exhibited better tensile, impact and flexural strength properties in comparison with other related composites of hybrid type reported in literature. Moreover, the modified twisted hybrid double layer composites with longitudinal yarn mat and wood sawdust filler sample recorded significantly greater improvement on the mechanical properties at warp direction, when compared with the hybrid double layer longitudinal yarn mat composites with wood sawdust filler and other reported similar hybrid composite materials. Scanning electron microscopy (SEM) technique was utilized to evaluate morphological internal damage (cracks) and fractured surfaces of the various tested composite samples. Based on their mechanical performances and for further practical evidence, these two types of eco-composites were used to effectively fabricate tri-wheeler auto-wheel hubs and ceiling fan blades, as applicable to automobile and electronics industries, respectively.
        Publication date
        2020-11-25
        Published in
        Construction and Building Materials
        Published version
        https://doi.org/10.1016/j.conbuildmat.2020.121587
        License
        http://creativecommons.org/licenses/by-nc-nd/4.0/
        Other links
        http://hdl.handle.net/2299/23517
        Relations
        School of Physics, Engineering & Computer Science
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