Sugarcane bagasse waste in composites for multilayered armor

Monteiro, Sérgio Neves; Cândido, Verônica Scarpini; Braga, Fábio de Oliveira; Bolzan, Lucas Tedesco; Weber, Ricardo Pondé; Drelich, Jaroslaw

doi:10.1016/j.eurpolymj.2016.03.031

Cited by 84 publications

(37 citation statements)

References 31 publications

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“…Plant fibers, a sub-section of natural fibers, are cost-effective and offer good specific mechanical properties when compared to glass fibers. 1,2 Monteiro et al 3 mentioned that economic, technical, societal and environmental benefits are achieved by using plant fibers instead of synthetic fibers for reinforcement. Summerscales et al 4 also reported that automobile accessories manufactured with plant fibers are light in weight.…”

Section: Introductionmentioning

confidence: 99%

Flax fiber and its composites: An overview of water and moisture absorption impact on their performance

Moudood

Rahman

Öchsner

et al. 2018

Journal of Reinforced Plastics and Composites

126

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Contemporary researchers have specified that natural flax fiber is comparable with synthetic fibers due to its unique physical and mechanical characteristics which have been recognized for decades. Flax fiber reinforced composites have the potential for wide usage in sport and maritime industries, and as automotive accessories. In addition, this composite is in the development stages for future applications in the aeronautical industry. However, designing the flax composite parts is a challenging task due to the great variability in fiber properties. This is caused by many factors, including the plant origin and growth conditions, plant age, location in the stem, fibers extraction method, and the fact that there is often a non-uniform cross-section of the fibers. Furthermore, the water and moisture absorption tendency of the flax fibers and their composites and the consequent detrimental effects on their mechanical performance are also major drawbacks. Fibers may soften and swell with absorbed water molecules, which could affect the performance of this bio-composite. Flax fibers' moisture absorption propensity may lead to a deterioration of the fiber-matrix interface, weakening the interfacial strength and ultimately degrading the quality of the composite. This review represents a brief summary of the main findings of research into flax fiber reinforced composites, focusing on the challenges of its water and moisture absorption behavior on their performance.

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Section: Introductionmentioning

confidence: 99%

Flax fiber and its composites: An overview of water and moisture absorption impact on their performance

Moudood

Rahman

Öchsner

et al. 2018

Journal of Reinforced Plastics and Composites

126

View full text Add to dashboard Cite

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“…The MAS provide safety by making use of light and efficient materials disposed in several layers, usually three: a frontal ceramic layer, a high performance fiber fabric or composite second layer, and a ductile metal back layer 3,6 . Currently, natural fiber reinforced composites are being extensively studied as possible MAS second layer in both ballistic [7][8][9][10][11] and non-ballistic 12 applications, due to their good performance associated with other advantages over conventional composites like Kevlar TM , such as being lighter, cheaper and environmentally friendly.…”

Section: Introductionmentioning

confidence: 99%

Ballistic Efficiency of Multilayered Armor Systems with Sisal Fiber Polyester Composites

et al. 2018

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The urban violence and the different types of global armed conflicts demand efficient protective systems against high energy ammunition. Multilayered Armor Systems (MAS) provide efficient protection by making use of lighter and more efficient materials. A typical MAS may be composed of three layers: a front ceramic followed by a composite, backed by a ductile metal. Polymer composites reinforced with natural fibers have proven to be effective second layers, being also lighter, low-cost and environmentally friendly as compared to conventional composites like Kevlar TM . The present work evaluates MAS using as second layer polyester composites reinforced with 10, 20, and 30 vol. % of sisal fibers. Ballistic tests were performed using class III 7.62x51 mm ammunition, based on the NIJ 0101.06 backface signature methodology. Both the 30 vol.% sisal fiber composite and the conventional aramid laminates were equally efficient in terms of MAS second layer. The explanation might be the similar capacity of the different composites to retain the fragments generated by the interaction of the projectile with the front ceramic, independently of the percentage of sisal fibers.

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“…Tradicionalmente, tecidos de fibra sintética de alto desempenho, como aramida, compósitos reforçados com fibras ou metais dúcteis, como o alumínio, têm sido usados para essa aplicação [7][8][9]. Mais recentemente, compósitos reforçados com fibras naturais foram investigados [10][11]. Esses compósitos revelaram bom desempenho balístico, apresentando vantagens econômicas e ambientais [12].…”

Section: Introductionunclassified

“…Esses compósitos revelaram bom desempenho balístico, apresentando vantagens econômicas e ambientais [12]. O conjunto de materiais cerâmicos com os supracitados materiais de suporte são chamados de sistemas de blindagem multicamadas (SBMs) [10][11].…”

Section: Introductionunclassified

Otimização De Sistema De Blindagem Multicamadas Usando Técnicas Estatísticas De Box-Behnken Design E Análise De Regressão Múltipla

Filho¹,

Oliveira²,

Demosthenes³

et al. 2019

ABM Proceedings

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Resumo Investigações recentes em sistemas de blindagem de múlticamadas (SBMs) usando compósitos de fibras naturais e tecidos, como segunda camada, mostraram resultados promissores. No presente trabalho, um SBM compostos de cerâmica de alumina como primeira camada, compósito reforçado com tecido de curauá como segunda camada e liga de alumínio como terceira camada foi estudado. O objetivo foi investigar a influência da espessura / densidade de camadas no comportamento geral da blindagem e propor uma configuração de espessura otimizada para as camadas. A fibra de curauá é uma das fibras lignocelulósicas naturais (FNLs) mais resistentes e sua manta tem potencial para aplicações de engenharia. O Box-Behnken Design (BBD) e a Análise de Regressão Múltipla (MRA) foram aplicados para estudar as propriedades do SBM e para melhorar o desempenho da blindagem, reduzindo sua espessura total / densidade superficial. Testes balísticos foram realizados e os resultados de profundidade de indentação foram utilizados como medida da eficiência do SBM. O BBD-MRA foi eventualmente comparado a um ajuste linear simples (SLA) aplicado ao SBM e a um laminado de aramida previamente estudado. A otimização do SBM referente ao BBD-MRA mostrou uma redução de 56% na espessura da blindagem em comparação com a aramida e uma redução de 8,8% em comparação com a otimização do SLA. Palavras-chave: Sistema de Blindagem multicamadas; Compósitos reforçados com fibras naturais lignocelulósicas; Box-Behnken Design. OPTIMIZATION OF MULTILAYERED ARMOR SYSTEM USING BOX-BEHNKEN DESIGN AND MULTIPLE REGRESSION ANALYSIS STATISTICAL TECHNIQUES Abstract Recent investigations in multilayered armor systems (MAS) using natural fiber composites and fabrics, as a second layer, have shown promising results. In the present work, a SBM composed of alumina ceramic as first layer, composite reinforced with curauá woven fabric as second layer and aluminum alloy as third layer was studied. The objective was to investigate the influence of layer thickness / density on the overall shielding behavior and to propose an optimized thickness configuration for the layers. Curauá fiber is one of the most resistant natural lignocellulosic fibers (NLFs) and its fabric woven has potential for engineering applications. Box-Behnken Design (BBD) and Multiple Regression Analysis (MRA) were applied to study the properties of the SBM and to improve shielding performance, reducing its overall thickness / area density. Ballistic tests were performed and the indentation depth results were used as a measure of the SBM efficiency. The BBD-MRA was eventually compared to a simple linear adjustment

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Sugarcane bagasse waste in composites for multilayered armor

Cited by 84 publications

References 31 publications

Flax fiber and its composites: An overview of water and moisture absorption impact on their performance

Flax fiber and its composites: An overview of water and moisture absorption impact on their performance

Ballistic Efficiency of Multilayered Armor Systems with Sisal Fiber Polyester Composites

Otimização De Sistema De Blindagem Multicamadas Usando Técnicas Estatísticas De Box-Behnken Design E Análise De Regressão Múltipla

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