Azduwin Khasri
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Preferred name
Azduwin Khasri
Official Name
Azduwin, Khasri
Alternative Name
Khasri, Azduwin
Azduwin, Y. K.
Main Affiliation
Scopus Author ID
55993350600
Researcher ID
K-8421-2019

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  • Publication
    Effect of elevated temperature on the tensile strength of Napier/glass-epoxy hybrid reinforced composites
    ( 2017-11-07)
    Mohd Ridzuan Mohd Jamir
    ;
    Mohd Shukry Abdul Majid
    ;
    Mohd Afendi Rojan
    ;
    Ahmad Firdaus Ahmad Zaidi
    ;
    Azduwin Khasri
    The effects of elevated temperature on the tensile strength of Napier/glass-epoxy hybrid reinforced composites and its morphology of fractured surfaces are discussed. Napier/glass-epoxy hybrid reinforced composites were fabricated by using vacuum infusion method by arranging Napier fibres in between sheets of woven glass fibres. Napier and glass fibres were laminated with estimated volume ratios were 24 and 6 vol. %, respectively. The epoxy resin was used as matrix estimated to 70 vol. %. Specimens were tested to failure under tension at a cross-head speed of 1 mm/min using Universal Testing Machine (Instron) with a load cell 100 kN at four different temperatures of RT, 40°C, 60°C and 80°C. The morphology of fractured surface of hybrid composites was investigated by field emission scanning electron microscopy. The result shows reduction in tensile strength at elevated temperatures. The increase in the temperature activates the process of diffusion, and generates critical stresses which cause the damage at first-ply or at the centre of the hybrid plate, as a result lower the tensile strength. The observation of FESEM images indicates that the fracture mode is of evolution of localized damage, from fibre/matrix debonding, matric cracking, delamination and fibre breakage.