Effect of reinforcement of Alkaline-treated sugar palm/bamboo/kenaf and fibreglass/ Kevlar with polyester hybrid biocomposites: mechanical, morphological, and water absorption properties

Radzi, Fathin Sakinah Mohd; Suriani, M. J.; Bakar, Anuar Abu; Khalina, A.; Ruzaidi, C.M.; Nik, W.B. Wan; Awang, Mohamad; Zulkifli, F.; Abdullah, Shahino Mah; Ilyas, R. A.; Eldin, Sayed M.

doi:10.1016/j.jmrt.2023.04.055

Cited by 22 publications

(1 citation statement)

References 43 publications

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“…Samples with dimensions of 100 mm × 10 mm × 2 mm were prepared to determine the water absorption according to the ASTM D570-98 method [16,17]. All samples underwent initial drying at 105 • C for 1 h in an oven, and the weight obtained during this process was recorded as the dry weight (W d ) of the specimens.…”

Section: Water Absorption Testmentioning

confidence: 99%

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Geng,

Cai

2024

Materials

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Natural fiber/degradable epoxy composites have received much attention for their advantages of low carbon emissions, low environmental pollution, and utilization of renewable resources. However, the poor interfacial bonding strength and inferior moisture resistance of natural fiber/degradable epoxy composites restrict their application areas. In order to improve the moisture and heat resistance of natural fiber/degradable epoxy resin-based composites, this study modified the surfaces of ramie fibers with hydroxylated carbon nanotubes, silane coupling agents, and sodium hydroxide, respectively. Three types of modified ramie fiber/degradable epoxy composites, namely F-CN-DEP, F-Si-DEP, and F-OH-DEP, were prepared using a winding forming process. The water absorption rate and short-beam shear strength of the materials were tested under different environments, and the fiber morphology and thermal–mechanical properties of the materials were investigated by scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA). The results show that F-CN-DEP exhibited the lowest moisture absorption rate; the highest shear strength, of 43.8 MPa; and a glass transition temperature (Tg) of 121.7 °C. The results demonstrate that carbon nanotubes on the fiber surface can improve the interfacial stability of ramie fiber/degradable epoxy composites in humid and hot environments. These results give guidelines for the development of natural fiber/degradable epoxy composites.

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Section: Water Absorption Testmentioning

confidence: 99%

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Geng,

Cai

2024

Materials

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Experimental analysis of the effect of natural fibers and SiC filler on the thermal behavior of green biocomposites

Melati

Settar

Chetehouna

et al. 2023

J of Applied Polymer Sci

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The present work deals with the thermal behavior investigation of new biocomposite materials intended to be used for process engineering applications. Particular attention is given to the thermal degradation of such materials. Thermal characterization at different scales is performed using thermogravimetric analysis (TGA) and cone calorimeter experiments. The main purpose is to compare the thermal behavior of new bamboo‐based and banana‐based Green Biocomposites (GBCs). An intumescent fire retardant (IFR) coating, which is a mixture of APP and boric acid was applied on the GBC sample surface to study the flame retardancy. The GBC samples was first manufactured using a vacuum resin transfer molding. TGA results showed that bamboo‐based (BM‐GBC) and banana‐based (Bn‐GBC) materials exhibits similar thermal degradation pattern. While cone calorimeter experiments revealed that BM‐GBC outperforms than Bn‐GBC. The IFR coating improved the flame retardancy of both GBCs by reducing the heat release rate as well as a noticeable reduction in terms of smoke emission. Finally, to improve the thermal stability of Bn‐GBC material, SiC powder is added as a filler. The IFR coating and SiC powder addition promotes considerably the thermal behavior of Bn‐GBC materials.

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Exploring the synergistic effects of graphene on the mechanical and vibrational response of kenaf/pineapple fiber‐reinforced hybrid composites

Dhilipkumar,

Arunpandian,

Arumugam

et al. 2024

Polymer Composites

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The automotive, aerospace, and sports industries are increasingly utilizing hybrid composites made from natural fiber reinforcements. This study evaluated the performance of a composite made from kenaf and pineapple fibers, manufactured using the compression molding process, with graphene nanoparticles added at varying weight concentrations of 0.5, 1.0, 1.5, and 2.0 wt%. Results showed that adding 0.5 wt% graphene increased the tensile, flexural, and impact strength of hybrid composite by 133.75%, 90.24%, and 25.67%, respectively. Microstructural analysis revealed that graphene integration has enhanced the interfacial bond between the fiber and the matrix, creating resin‐rich areas. Furthermore, the free vibrational analysis indicated that graphene‐infused composites exhibited higher natural frequencies, improving their energy‐absorbing capabilities. Water absorption tests demonstrated that the inclusion of graphene reduced water penetration by improving interfacial bonding, minimizing voids, and decreasing surface energy, which limited water pathways in the composite. Furthermore, the composites with 0.5 wt% graphene showed a contact angle of 80.8°, indicating lower hydrophilicity compared to neat composites, which had a contact angle of 70.7°. This research emphasizes the advantages of hybrid composite materials derived from kenaf and pineapple fibers, specifically for applications in vehicle interiors and construction, including wall panels and separators.Highlights Hybrid composite was prepared using the compression molding process. Adding 0.5 wt% graphene improved the mechanical properties of composites. Hybrid composites with lower wt% graphene had higher natural frequencies. The composites with 0.5 wt% graphene had better water absorption properties.

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Effect of reinforcement of Alkaline-treated sugar palm/bamboo/kenaf and fibreglass/ Kevlar with polyester hybrid biocomposites: mechanical, morphological, and water absorption properties

Cited by 22 publications

References 43 publications

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Experimental analysis of the effect of natural fibers and SiC filler on the thermal behavior of green biocomposites

Exploring the synergistic effects of graphene on the mechanical and vibrational response of kenaf/pineapple fiber‐reinforced hybrid composites

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