Mechanical Characterization of Aluminum Sandwich Structures with Woven-Ply Pineapple Leaf/Glass Fiber-Reinforced Hybrid Composite Core

Mechanical Characterization of Aluminum Sandwich Structures with Woven-Ply Pineapple Leaf/Glass Fiber-Reinforced Hybrid Composite Core

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Fiber-metal laminates consisting of alternating metal and fiber-reinforced polymer layers have displayed remarkable performance in several engineering applications.This work aims to identify the feasibility of incorporating pineapple leaf fiber to partially supersede glass fiber in thermoplastic-based fiber-metal laminates.Fiber-metal laminates made of pineapple leaf/glass/polypropylene/aluminum were fabricated using the hot press molding technique.

The tensile, flexural, Charpy impact and quasi-static indentation tests were performed.The findings indicated that the hybridization of glass with pineapple leaf fibers improved the mechanical properties of the laminates.The results are particularly promising in [G/P/G] Soccer - Clothing Mens Tops laminates in which their tensile and flexural strengths are 38.

98% and 20.19% higher than [P/P/P] laminates.In addition, the Charpy impact strengths of [G/P/G] laminates are also 236.

66% and 175.68% greater than those of [P/P/P] laminates.In terms of indentation properties, the maximum indentation forces of [G/P/G] laminates are 16.

71% and 13.76% higher than those of [P/P/P] laminates at indenter diameters of 12.7 and 20.

0 mm, respectively.Interestingly, in-plane Tablet Organiser and out-of-plane properties of [G/P/G] laminates were comparable to [G/G/G] laminates.Thus, it is anticipated that the hybridization concept could escalate the utilization of natural fibers as a potential reinforcement for engineering applications.