Tensile properties prediction of natural fibre composites using rule of mixtures: A review

Tham, Mun Wai; Fazita, Nurul; Khalil, Hps Abdul; Zuhudi, Nurul Zuhairah Mahmud; Jaafar, Mariatti; Rizal, Samsul; Haafiz, MK Mohamad

doi:10.1177/0731684418813650

Cited by 48 publications

(34 citation statements)

References 73 publications

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“…The characterization of mechanical properties of NFC plays a crucial role in determining their actual applicability in substitution to traditional composite materials . Models for the prediction of mechanical properties such as the ultimate tensile strength (UTS), the modulus of elasticity (MOE), or the strain of NFC are necessary to enable the adoption of these materials in engineering design …”

Section: Introductionmentioning

confidence: 99%

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Manufacturing and characterization of hemp‐reinforced epoxy composites

et al. 2020

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The adoption of natural‐based fibers in place of inorganic reinforcements is an effective approach to reduce the environmental and economic impact of composite materials. In particular, hemp is an attractive solution due to its mechanical, physical, and growing properties. The present article deals with the manufacturing of thermoset hemp‐reinforced composite materials. In particular, the investigation moves into the production by resin transfer molding and by resin powder molding with the use of epoxy polymeric material. To describe the effects of the technological cycle onto the characteristic of realized products, different manufacturing parameters have been combined during the braiding of reinforcement and the polymerization of the final composite. Computed tomography, microscopical analysis, and tensile tests have been used to observe the main effects of the manufacturing process and mechanical properties of the materials. Furthermore, elastic moduli of the materials have been estimated by means of modified rule of mixture and Halpin‐Tsai models in order to verify their effectiveness in forecasting stiffness of the hemp‐reinforced composites in the early design phase. The article extends the existing knowledge base on hemp‐reinforced thermoset composites manufactured with different processes. Results also illustrate relations existing between error introduced by calculation models and the intrinsic variability in mechanical properties.

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Section: Introductionmentioning

confidence: 99%

“…In particular, the manufacturing process of NFC is the most relevant step in determining the properties of the final product . A simplified approach based on rule of mixtures (ROM) is often applied for the prediction of mechanical properties of NFC …”

Section: Introductionmentioning

confidence: 99%

Manufacturing and characterization of hemp‐reinforced epoxy composites

et al. 2020

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“…There is an optimal fiber content for each polyethylene grade to ensure the composite exhibits the best properties. 12,13,89,90 In the case of LLDPE-agave 59 fiber composites, the ideal fiber content to obtain optimal tensile strength is 10%, which reflects how easily the matrix completely encloses the fiber in the molding process. At higher concentrations, fiber wettability by the polymer matrix is more difficult and fiber agglomeration may occur.…”

Section: Influence Of Fiber Size and Content On Composite Propertiesmentioning

confidence: 99%

Rotomolding and polyethylene composites with rotomolded lignocellulosic materials: A review

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et al. 2020

Journal of Reinforced Plastics and Composites

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Rotomolding is a versatile process used in the manufacture of thermoplastic polymeric materials to produce large hollow plastic parts. The aim of this review article was to discuss the rotomolding process and show the properties of the polyethylene composite and rotomolded lignocellulosic fibers, which are processed for prolonged periods under temperature. The main process parameters studied are the shaft speed of the equipment, molding temperature, polymer particle size, polymer melt flow index, and amount of material, which must be well controlled to achieve a non-degraded product with homogeneous thickness and no porosity. Rotomolded composites containing sisal, pine, coir, banana, flax, and maple wood fibers, among others, have been evaluated primarily for their mechanical (impact, flexural, and tensile strength) and morphological properties. The type, content, and treatment of lignocellulosic fillers are the most widely studied variables in polyethylene-based rotomolded composites. Fiber content was the variable that most influenced mechanical properties, particularly impact strength and hardness due to the voids formed by the hydrodynamic volume between the polymer matrix and lignocellulosic filler. Chemical treatment of the fiber by mercerization with NaOH made it more hydrophobic and the addition of maleic anhydride-grafted polyethylene as a coupling agent improved the interfacial adhesion between the non-polar polymer matrix and polar filler. However, the best mechanical property results were obtained with the use of maleic anhydride-grafted polyethylene.

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“…At present, the availability of resources and environmental aspects has become one of the biggest challenges [4]. The green composite concept has attracted the interest of many researchers and engineers due to the superiority of these composites in terms of mechanical performance and excellency in energy efficient and environmental aspects such as bio-degradable, renewable and recyclable [5,6,7,8,9]. The all green composites promote the utilization of composites consisting polymers and reinforcement materials from renewable resources.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Interfacial Fracture Toughness and Interfacial Shear Strength of Typha Spp. Fiber/Polymer Composite by Double Shear Test Method

et al. 2019

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The aim of this paper is to evaluate the Mode II interfacial fracture toughness and interfacial shear strength of Typha spp. fiber/PLLA and Typha spp. fiber/epoxy composite by using a double shear stress method with 3 fibers model composite. The surface condition of the fiber and crack propagation at the interface between the fiber and the matrix are observed by scanning electron microscope (SEM). Alkali treatment on Typha spp. fiber can make the fiber surface coarser, thus increasing the value of interfacial fracture toughness and interfacial shear strength. Typha spp. fiber/epoxy has a higher interfacial fracture value than that of Typha spp. fiber/PLLA. Interfacial fracture toughness on Typha spp. fiber/PLLA and Typha spp. fiber/epoxy composite model specimens were influenced by the matrix length, fiber spacing, fiber diameter and bonding area. Furthermore, the interfacial fracture toughness and the interfacial fracture shear stress of the composite model increased with the increasing duration of the surface treatment.

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Tensile properties prediction of natural fibre composites using rule of mixtures: A review

Cited by 48 publications

References 73 publications

Manufacturing and characterization of hemp‐reinforced epoxy composites

Manufacturing and characterization of hemp‐reinforced epoxy composites

Rotomolding and polyethylene composites with rotomolded lignocellulosic materials: A review

Evaluation of Interfacial Fracture Toughness and Interfacial Shear Strength of Typha Spp. Fiber/Polymer Composite by Double Shear Test Method

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