Properties of flexural and impact of matrix composites polyester reinforced with short lignocellulosic fibers

Silva, Douglas Santos; Ribeiro, Maurício Maia; Rodrigues, Jean da Silva; Corrêa, Alessandro de Castro; Costa, Denis Carlos Lima; Costa, Heictor Alves de Oliveira; Silva, Fernando José Aguirre Ramos da; Santos, Alessandro José Gomes dos; Silva, Marcelo Henrique Prado da; Fujiyama, Roberto Tetsuo

doi:10.33448/rsd-v11i3.26612

Cited by 2 publications

(2 citation statements)

References 24 publications

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“…An example of the application of piassava fibers as reinforcement in composites is a study conducted by Carvalho et al [272], in which a preliminary investigation was carried out to assess the effectiveness of piassava fibers as a reinforcement agent in polyurethane matrix plates for flooring. In the study, the piassava fibers were crushed and added to the composite in powdered form, at volume fractions of 10, 20 and 30 vol.%.…”

Section: Piassavamentioning

confidence: 99%

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Amazon Natural Fibers for Application in Engineering Composites and Sustainable Actions: A Review

da Silveira,

Cardoso,

Marchi

et al. 2024

Eng

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The Amazon rainforest, spanning multiple countries in South America, is the world’s largest equatorial expanse, housing a vast array of relatively unknown plant and animal species. Encompassing the planet’s greatest flora, the Amazon offers a tremendous variety of plants from which natural lignocellulosic fibers (NLFs) can be extracted. In this century, NLFs, which have long been utilized by indigenous populations of the Amazon, have garnered interest as potential reinforcements for composites, whether polymer- or cement-based, in various technical applications such as packaging, construction, automotive products, and ballistic armor. A comparison with synthetic materials like glass, carbon, and aramid fibers, as well as other established NLFs, highlights the cost and specific property advantages of Amazon natural fibers (ANFs). Notably, the sustainable cultivation and extraction of ANFs, as alternatives to deforestation and livestock pasture, contribute to the preservation of the Amazon rainforest. This review article provides a comprehensive examination of recent studies directly related to ANF-reinforced polymer matrix composites. The specific advantages, proposed applications, and reported challenges are highlighted, shedding light on the potential of these unique natural fibers.

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Section: Piassavamentioning

confidence: 99%

“…Silva et al [272] evaluated the performance of polyester matrix composites reinforced with different fibers in impact and bending tests. For comparison, they used raffia, jute, mallow, piassava, and sisal fibers as reinforcements in similar compositions.…”

Section: Piassavamentioning

confidence: 99%

Amazon Natural Fibers for Application in Engineering Composites and Sustainable Actions: A Review

da Silveira,

Cardoso,

Marchi

et al. 2024

Eng

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Gypsum-based composites reinforced with bamboo particles

Brito,

Alvarenga,

Mesquita Júnior

et al. 2024

Braz J Biosyst Eng

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This study aimed to evaluate the quality of gypsum-based mineral composites reinforced with bamboo particles. The particles size was 1.68 mm and 0.841 mm. The density adopted for the composites was 0.80 g/cm³. The following weight replacement ratios were adopted: 0; 2.5; 5.0; 7.5 and 10.0%. The water/solid mass factor of the composite remained constant. For each treatment two slabs of composites were produced. Physical and mechanical properties were determined: humidity, apparent density, water absorption (2 and 24 hours), modulus of rupture, modulus of elasticity and compression. The results showed that the apparent density and moisture content of the composites were not influenced by the insertion of the bamboo particles, while the water absorption was significantly reduced. The addition of the bamboo reinforcement particles did not cause improvements in the MOR and MOE properties, but all the MOR values of the treatments reached the value established by EN 13279-2 (EN, 2004). Although all treatments have reached the minimum values stipulated by the standard for compressive strength, all values were reduced with the insertion of bamboo particles. In general, the Dendrocalamus giganteus can be used as reinforcement in gypsum composites, however new parameters should be tested, such as: particle size; increasing the proportions of particles, pre-treatment of particles, addition of other additives, such as superplasticizer to water to improve workability and even use more than one reinforcement to obtain composites with improved properties.

show abstract

Properties of flexural and impact of matrix composites polyester reinforced with short lignocellulosic fibers

Cited by 2 publications

References 24 publications

Amazon Natural Fibers for Application in Engineering Composites and Sustainable Actions: A Review

Amazon Natural Fibers for Application in Engineering Composites and Sustainable Actions: A Review

Gypsum-based composites reinforced with bamboo particles

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