Evaluation of Dynamic Mechanical Properties of Fique Fabric/Epoxy Composites

Oliveira, Michelle Souza; Filho, Fábio da Costa Garcia; Luz, Fernanda Santos da; Demosthenes, Luana Cristyne da Cruz; Colorado, Henry A.; Nascimento, Lúcio Fábio Cassiano; Monteiro, Sérgio Neves

doi:10.1590/1980-5373-mr-2019-0125

Cited by 9 publications

(8 citation statements)

References 42 publications

(49 reference statements)

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“…Damage from heat may be considered one of the major drawbacks for the use of natural fibers reinforced polymeric composites in engineering applications [ 151 ]. Because of that, several researchers directed their efforts on the thermal assessment of NLFs and their polymer matrix composites [ 149 , 150 , 151 , 152 , 153 , 154 , 155 , 156 ]. However, improvement of thermal resistance has been considered somehow difficult to reach by traditional surface treatment of NLFs such as alkali, anhydride and silanation.…”

Section: Properties Of Graphene Incorporated Nlf Compositesmentioning

confidence: 99%

Graphene-Incorporated Natural Fiber Polymer Composites: A First Overview

et al. 2020

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A novel class of graphene-based materials incorporated into natural lignocellulosic fiber (NLF) polymer composites is surging since 2011. The present overview is the first attempt to compile achievements regarding this novel class of composites both in terms of technical and scientific researches as well as development of innovative products. A brief description of the graphene nature and its recent isolation from graphite is initially presented together with the processing of its main derivatives. In particular, graphene-based materials, such as nanographene (NG), exfoliated graphene/graphite nanoplatelet (GNP), graphene oxide (GO) and reduced graphene oxide (rGO), as well as other carbon-based nanomaterials, such as carbon nanotube (CNT), are effectively being incorporated into NLF composites. Their disclosed superior mechanical, thermal, electrical, and ballistic properties are discussed in specific publications. Interfacial shear strength of 575 MPa and tensile strength of 379 MPa were attained in 1 wt % GO-jute fiber and 0.75 wt % jute fiber, respectively, epoxy composites. Moreover, a Young’s modulus of 44.4 GPa was reported for 0.75 wt % GO-jute fiber composite. An important point of interest concerning this incorporation is the fact that the amphiphilic character of graphene allows a better way to enhance the interfacial adhesion between hydrophilic NLF and hydrophobic polymer matrix. As indicated in this overview, two basic incorporation strategies have so far been adopted. In the first, NG, GNP, GO, rGO and CNT are used as hybrid filler together with NLF to reinforce polymer composites. The second one starts with GO or rGO as a coating to functionalize molecular bonding with NLF, which is then added into a polymeric matrix. Both strategies are contributing to develop innovative products for energy storage, drug release, biosensor, functional electronic clothes, medical implants, and armor for ballistic protection. As such, this first overview intends to provide a critical assessment of a surging class of composite materials and unveil successful development associated with graphene incorporated NLF polymer composites.

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Section: Properties Of Graphene Incorporated Nlf Compositesmentioning

confidence: 99%

Graphene-Incorporated Natural Fiber Polymer Composites: A First Overview

et al. 2020

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“…• Dynamic properties: The dynamic mechanical analysis (DMA) test and the experimental modal analysis or measurement of the frequency response (FRF) are the tests that have been used the most to know the dynamic behavior of fique composites. Oliveira et al [75] with DMA analysis found that the incorporation of fique fibers increased the viscoelastic stiffness of the epoxy matrix composites, likewise the peaks in both the loss modulus (E'') and the delta tangent (tan δ), shifted towards higher temperatures as the amount of fique fiber increased. On the other hand, Gomez et al [45] in experimental modal analysis showed an increase in natural frequencies and in the damping of polyester matrix composite by increasing the amount of fique fiber used.…”

Section: Composite Manufacturingmentioning

confidence: 99%

Composite materials reinforced with fique fibers – a review

Gómez-Suarez

Córdoba-Tuta

2022

Revista UIS Ingenierías

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Fique is a fiber of South American origin that has adequate properties to be used as reinforcement in composite materials, recently there have been various research for the development of composite materials with this fiber type. This article compiles different studies into composite materials reinforced with fique fiber. Initially discussed the issues related to the properties and treatments most commonly used to fiber to improve their quality and adhesion, then the types of matrix and the main manufacturing techniques that have been used for the manufacture of composites reinforced with fique fiber are described, followed by the different tests and characterization tests that have been applied to them to know their main properties and finally, their applications and the use of micromechanical models to describe them.

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“…The author concluded that woven kenaf in the outer layer of the hybrid composites had revealed a balanced behavior between glassy and rubbery regions. Moreover, Oliveira et al [30] concluded that the increased woven fique fiber content had raised the storage modulus and loss modulus of the composites.…”

Section: Introductionmentioning

confidence: 99%

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

et al. 2022

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This paper presents the thermal and flammability properties of woven kenaf/polyester-reinforced polylactic acid hybrid laminated composites. The effects of the fiber content and stacking sequences of hybrid composites were examined. The hybrid composites were fabricated using the hot press method. Thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical analysis, and flammability properties of woven kenaf/polyester-reinforced polylactic hybrid composites were reported. The thermal results have demonstrated the effect of the hybridization of the composites on the thermal stability and viscoelastic properties of the laminates. The work also measured the burning rate of the hybrid composites during the flammability test. The S7 sample that consisted of all woven kenaf layers in composite recorded the highest char residue of 10%, and the S8 sample displayed the highest decomposition temperature among all samples. However, as for hybrid composites, the S5 sample shows the optimum result with a high char yield and exhibited the lowest burning rate at 29 mm/min. The S5 sample also shows the optimum viscoelastic properties such as storage and loss modulus among hybrid composites.

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Evaluation of Dynamic Mechanical Properties of Fique Fabric/Epoxy Composites

Cited by 9 publications

References 42 publications

Graphene-Incorporated Natural Fiber Polymer Composites: A First Overview

Graphene-Incorporated Natural Fiber Polymer Composites: A First Overview

Composite materials reinforced with fique fibers – a review

Thermal Stability, Dynamic Mechanical Analysis and Flammability Properties of Woven Kenaf/Polyester-Reinforced Polylactic Acid Hybrid Laminated Composites

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