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Michelle Souza Oliveira
Department of Materials Science, Military Institute of Engineering—IME, Praça General Tibúrcio 80, Urca, Rio de Janeiro 22290-270, Brazil

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Journal article
Published: 15 August 2021 in Polymers
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Polymer composites reinforced with natural fabric have recently been investigated as possible ballistic armor for personal protection against different levels of ammunition. In particular, fabric made of fique fibers, which is extracted from the leaves of the Furcraea andina, was applied as reinforcement for polymer composites used in a multilayered armor system (MAS). The superior performance of the fique fabric composites as a second MAS layer motivated this brief report on the determination of the absorbed energy and capability to limit velocity in the stand-alone ballistic tests. The single plates of epoxy composites, which were reinforced with up to 50 vol% of fique fabric, were ballistic tested as targets against 7.62 mm high-speed, ~840 m/s, impact ammunition for the first time. The results were statistically analyzed by the Weibull method and ANOVA. The absorbed energies of the 200–219 J and limit velocities of 202–211 m/s were found statistically similar to the epoxy composites reinforced with the fique fabric from 15 to 50 vol%. Predominantly, these findings are better than those reported for the plain epoxy and aramid fabric (KevlarTM) used as stand-alone plates with the same thickness. Macrocracks in the 15 and 30 vol% fique fabric composites compromise their application as armor plates. The delamination rupture mechanism was revealed by scanning electron microscopy. By contrast, the integrity was maintained in the 40 and 50 vol% composites, ensuring superior ballistic protection compared to the use of KevlarTM.

ACS Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Henry Alonso Colorado Lopera; Lucio Fabio Cassiano Nascimento; Fabio Da Costa Garcia Filho; Sergio Neves Monteiro. Energy Absorption and Limit Velocity of Epoxy Composites Incorporated with Fique Fabric as Ballistic Armor—A Brief Report. Polymers 2021, 13, 2727 .

AMA Style

Michelle Souza Oliveira, Fernanda Santos da Luz, Henry Alonso Colorado Lopera, Lucio Fabio Cassiano Nascimento, Fabio Da Costa Garcia Filho, Sergio Neves Monteiro. Energy Absorption and Limit Velocity of Epoxy Composites Incorporated with Fique Fabric as Ballistic Armor—A Brief Report. Polymers. 2021; 13 (16):2727.

Chicago/Turabian Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Henry Alonso Colorado Lopera; Lucio Fabio Cassiano Nascimento; Fabio Da Costa Garcia Filho; Sergio Neves Monteiro. 2021. "Energy Absorption and Limit Velocity of Epoxy Composites Incorporated with Fique Fabric as Ballistic Armor—A Brief Report." Polymers 13, no. 16: 2727.

Journal article
Published: 01 August 2021 in Journal of Composites Science
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Since the mid-2000s, several studies were carried out regarding the development of ballistic resistant materials based on polymeric matrix composites reinforced with natural lignocellulosic fibers (NLFs). The results reported so far are promising and are often comparable to commonly used materials such as KevlarTM, especially when used as an intermediate layer in a multilayer armor system (MAS). However, the most suitable configuration for these polymer composites reinforced with NLFs when subjected to high strain rates still lacks investigation. This work aimed to evaluate four possible arrangements for epoxy matrix composite reinforced with a stiff Brazilian NLF, piassava fiber, regarding energy absorption, and ballistic efficiency. Performance was evaluated against the ballistic impact of high-energy 7.62 mm ammunition. Obtained results were statistically validated by means of analysis of variance (ANOVA) and Tukey’s honest test. Furthermore, the micromechanics associated with the failure of these composites were determined. Energy absorption of the same magnitude as KevlarTM and indentation depth below the limit predicted by NIJ standard were obtained for all conditions.

ACS Style

Fabio Garcia Filho; Fernanda Luz; Michelle Oliveira; Wendell Bezerra; Josiane Barbosa; Sergio Monteiro. Influence of Rigid Brazilian Natural Fiber Arrangements in Polymer Composites: Energy Absorption and Ballistic Efficiency. Journal of Composites Science 2021, 5, 201 .

AMA Style

Fabio Garcia Filho, Fernanda Luz, Michelle Oliveira, Wendell Bezerra, Josiane Barbosa, Sergio Monteiro. Influence of Rigid Brazilian Natural Fiber Arrangements in Polymer Composites: Energy Absorption and Ballistic Efficiency. Journal of Composites Science. 2021; 5 (8):201.

Chicago/Turabian Style

Fabio Garcia Filho; Fernanda Luz; Michelle Oliveira; Wendell Bezerra; Josiane Barbosa; Sergio Monteiro. 2021. "Influence of Rigid Brazilian Natural Fiber Arrangements in Polymer Composites: Energy Absorption and Ballistic Efficiency." Journal of Composites Science 5, no. 8: 201.

Conference paper
Published: 21 February 2021 in Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies
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The objective of this work was to evaluate the influence of photodegradation by ultraviolet radiation in composites of epoxy matrix reinforced with sisal fabric in the energy absorption capacity against shots of 0.22-gauge lead projectile. The ballistic tests were performed at subsonic speed using a 150-bar compressed air draft system. The ballistic efficiency was evaluated using the residual velocity technique. Fourier transform infrared spectroscopy (FTIR) was also performed to observe changes after radiation exposure. Exposure to UV radiation, both at 75–225 h, caused changes in the color of the composite plates, in addition to optimizing the energy absorption capacity in level I events by NIJ 0101.04, absorbing about 93% of the projectile energy, showing to be a very easy and fast technique for improving the ballistic properties of composites which in turn are more economically viable than the commonly used synthetic materials.

ACS Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Lucio Nascimento; Sergio Neves Monteiro. Evaluation of Ballistic Behavior by Residual Velocity of Epoxy Composite Reinforced with Sisal Fabric After UV Radiation Exposure. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies 2021, 293 -299.

AMA Style

Michelle Souza Oliveira, Fernanda Santos da Luz, Lucio Nascimento, Sergio Neves Monteiro. Evaluation of Ballistic Behavior by Residual Velocity of Epoxy Composite Reinforced with Sisal Fabric After UV Radiation Exposure. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies. 2021; ():293-299.

Chicago/Turabian Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Lucio Nascimento; Sergio Neves Monteiro. 2021. "Evaluation of Ballistic Behavior by Residual Velocity of Epoxy Composite Reinforced with Sisal Fabric After UV Radiation Exposure." Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies , no. : 293-299.

Conference paper
Published: 17 February 2021 in Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies
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The replacement of synthetic fibers to natural fibers has been the subject of intense research, particularly as applied in composites. Astrocaryum vulgare is an important palm tree employed for many people along the Amazonian region in handcrafts and other products, by traditional manipulation techniques. The aim of this work is to perform a density Weibull analysis of Astrocaryum vulgare (Tucum) fibers with different diameters. The results obtained may be a database of Astrocaryum vulgare fibers, helping future research that will address its application potential as an alternative fiber applied in polymer composites.

ACS Style

Michelle Souza Oliveira; Fabio Da Costa Garcia Filho; Fernanda Santos da Luz; Sergio Neves Monteiro. Density Weibull Analysis of Tucum Fiber with Different Diameters. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies 2021, 309 -315.

AMA Style

Michelle Souza Oliveira, Fabio Da Costa Garcia Filho, Fernanda Santos da Luz, Sergio Neves Monteiro. Density Weibull Analysis of Tucum Fiber with Different Diameters. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies. 2021; ():309-315.

Chicago/Turabian Style

Michelle Souza Oliveira; Fabio Da Costa Garcia Filho; Fernanda Santos da Luz; Sergio Neves Monteiro. 2021. "Density Weibull Analysis of Tucum Fiber with Different Diameters." Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies , no. : 309-315.

Conference paper
Published: 17 February 2021 in Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies
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Thermoset matrix compounds have been used extensively in several industrial sectors. Many of these applications expose the material in environments that compromise its use, inducing, or aging of the material. The process involves several simultaneous and apparently independent mechanisms and, therefore, monitoring the evolution of variables within the specified time is an efficient method used to evaluate the behavior of the natural composites in accelerated conditions. Natural lignocellulosic fibers are important, since their use minimizes environmental pollution and the production costs of composite materials. The aim of this work is to obtain the tensile properties of plain epoxy and epoxy-hybrid natural fabric composite before and after performing aging accelerated by UV radiation. The findings of this work reveal that the epoxy-hybrid composite (50 mallow/50 jute) presents a loss in tensile strength at the first 30 min, and the stiffness decreases from the first exposure. Similar to what happens to living beings, polymers and their composites are also susceptible to the action of ultraviolet radiation.

ACS Style

Clara Beatriz Melo Moreira Caminha; Michelle Souza Oliveira; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. Evaluation of the Mechanical Behavior of Epoxy Matrix-Hybrid Natural Fabric Composite: Accelerated Aging by UV Radiation. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies 2021, 409 -416.

AMA Style

Clara Beatriz Melo Moreira Caminha, Michelle Souza Oliveira, Lucio Fabio Cassiano Nascimento, Sergio Neves Monteiro. Evaluation of the Mechanical Behavior of Epoxy Matrix-Hybrid Natural Fabric Composite: Accelerated Aging by UV Radiation. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies. 2021; ():409-416.

Chicago/Turabian Style

Clara Beatriz Melo Moreira Caminha; Michelle Souza Oliveira; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. 2021. "Evaluation of the Mechanical Behavior of Epoxy Matrix-Hybrid Natural Fabric Composite: Accelerated Aging by UV Radiation." Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies , no. : 409-416.

Conference paper
Published: 17 February 2021 in Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies
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Natural fiber-reinforced polymer (NFRP) composites have obtained significance in recent times due to their wide application in different industries, such as automotive, aerospace, construction, home appliances, and ballistic vest because of the high cost of synthetic fibers and environmental issue. These natural fibers are cheaper and lighter but their mechanical properties are lower than the synthetic fibers. In addition, great efforts have been made to understand the phenomenon of weathering of polymeric materials, which ultimately result in the deterioration of the physical and mechanical properties of the polymer. This work aims to present some research in the degradation area of natural fibers and their composites. The components of NFRP and flexural strength and modulus are revealed in the first part. Afterwards, the second part will be devoted to review some methods of aging treatments applied to natural fiber composites. Eventually, a discussion about the optimal approaches for lifetime prediction of NFRPs will be drawn.

ACS Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Sergio Neves Monteiro. Research Progress of Aging Effects on Fiber-Reinforced Polymer Composites: A Brief Review. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies 2021, 505 -515.

AMA Style

Michelle Souza Oliveira, Fernanda Santos da Luz, Sergio Neves Monteiro. Research Progress of Aging Effects on Fiber-Reinforced Polymer Composites: A Brief Review. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies. 2021; ():505-515.

Chicago/Turabian Style

Michelle Souza Oliveira; Fernanda Santos da Luz; Sergio Neves Monteiro. 2021. "Research Progress of Aging Effects on Fiber-Reinforced Polymer Composites: A Brief Review." Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies , no. : 505-515.

Journal article
Published: 16 November 2020 in Polymers
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Graphene oxide (GO) incorporation in natural fiber composites has recently defined a novel class of materials with enhanced properties for applications, including ballistic armors. In the present work, the performance of a 0.5 vol % GO-incorporated epoxy matrix composite reinforced with 30 vol % fabric made of ramie fibers was investigated by stand-alone ballistic tests against the threat of a 0.22 lead projectile. Composite characterization was also performed by Fourier-transform infrared spectroscopy, thermal analysis and X-ray diffraction. Ballistic tests disclosed an absorbed energy of 130 J, which is higher than those reported for other natural fabrics epoxy composite, 74–97 J, as well as plain Kevlar (synthetic aramid fabric), 100 J, with the same thickness. This is attributed to the improved adhesion between the ramie fabric and the composite matrix due to the GO—incorporated epoxy. The onset of thermal degradation above 300 °C indicates a relatively higher working temperature as compared to common natural fiber polymer composites. DSC peaks show a low amount of heat absorbed or release due to glass transition endothermic (113–121 °C) and volatile release exothermic (~132 °C) events. The 1030 cm−1 prominent FTIR band, associated with GO bands between epoxy chains and graphene oxide groups, suggested an effective distribution of GO throughout the composite matrix. As expected, XRD of the 30 vol % ramie fabric-reinforced GO-incorporated epoxy matrix composite confirmed the displacement of the (0 0 1) peak of GO by 8° due to intercalation of epoxy chains into the spacing between GO layers. By improving the adhesion to the ramie fabric and enhancing the thermal stability of the epoxy matrix, as well as by superior absorption energy from projectile penetration, the GO may contribute to the composite effective ballistic performance.

ACS Style

Artur Camposo Pereira; Andreza Menezes Lima; Luana Cristyne Da Cruz Demosthenes; Michelle Souza Oliveira; Ulisses Oliveira Costa; Wendell Bruno Almeida Bezerra; Sergio Neves Monteiro; Ruben Jesus Sanchez Rodriguez; Janine Feitosa De Deus; Wagner Anacleto Pinheiro. Ballistic Performance of Ramie Fabric Reinforcing Graphene Oxide-Incorporated Epoxy Matrix Composite. Polymers 2020, 12, 2711 .

AMA Style

Artur Camposo Pereira, Andreza Menezes Lima, Luana Cristyne Da Cruz Demosthenes, Michelle Souza Oliveira, Ulisses Oliveira Costa, Wendell Bruno Almeida Bezerra, Sergio Neves Monteiro, Ruben Jesus Sanchez Rodriguez, Janine Feitosa De Deus, Wagner Anacleto Pinheiro. Ballistic Performance of Ramie Fabric Reinforcing Graphene Oxide-Incorporated Epoxy Matrix Composite. Polymers. 2020; 12 (11):2711.

Chicago/Turabian Style

Artur Camposo Pereira; Andreza Menezes Lima; Luana Cristyne Da Cruz Demosthenes; Michelle Souza Oliveira; Ulisses Oliveira Costa; Wendell Bruno Almeida Bezerra; Sergio Neves Monteiro; Ruben Jesus Sanchez Rodriguez; Janine Feitosa De Deus; Wagner Anacleto Pinheiro. 2020. "Ballistic Performance of Ramie Fabric Reinforcing Graphene Oxide-Incorporated Epoxy Matrix Composite." Polymers 12, no. 11: 2711.

Journal article
Published: 01 October 2020 in Polymers
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The replacement of synthetic fibers by natural fibers has, in recent decades, been the subject of intense research, particularly as reinforcement of composites. In this work, the lesser known tucum fiber, extracted from the leaves of the Amazon Astrocaryum vulgare palm tree, is investigated as a possible novel reinforcement of epoxy composites. The tucum fiber was characterized by pullout test for interfacial adhesion with epoxy matrix. The fiber presented a critical length of 6.30 mm, with interfacial shear strength of 2.73 MPa. Composites prepared with different volume fractions of 20 and 40% tucum fiber were characterized by tensile and Izod impact tests, as well as by ballistic impact energy absorption using .22 ammunition. A cost analysis compared the tucum fiber epoxy composites with other natural and synthetic fiber reinforced epoxy composites. The results showed that 40 vol% tucum fiber epoxy composites increased the tensile strength by 104% and the absorbed Izod impact energy by 157% in comparison to the plain epoxy, while the ballistic performance of the 20 vol% tucum fiber composites increased 150%. These results confirmed for the first time a reinforcement effect of the tucum fiber to polymer composites. Moreover, these composites exhibit superior cost effectiveness, taking into account a comparison made with others epoxy polymer composites.

ACS Style

Michelle Souza Oliveira; Fernanda Santos Da Luz; Andressa Teixeira Souza; Luana Cristyne Da Cruz Demosthenes; Artur Camposo Pereira; Fabio Da Costa Garcia Filho; Fábio De Oliveira Braga; André Ben-Hur Da Silva Figueiredo; Sergio Neves Monteiro. Tucum Fiber from Amazon Astrocaryum vulgare Palm Tree: Novel Reinforcement for Polymer Composites. Polymers 2020, 12, 2259 .

AMA Style

Michelle Souza Oliveira, Fernanda Santos Da Luz, Andressa Teixeira Souza, Luana Cristyne Da Cruz Demosthenes, Artur Camposo Pereira, Fabio Da Costa Garcia Filho, Fábio De Oliveira Braga, André Ben-Hur Da Silva Figueiredo, Sergio Neves Monteiro. Tucum Fiber from Amazon Astrocaryum vulgare Palm Tree: Novel Reinforcement for Polymer Composites. Polymers. 2020; 12 (10):2259.

Chicago/Turabian Style

Michelle Souza Oliveira; Fernanda Santos Da Luz; Andressa Teixeira Souza; Luana Cristyne Da Cruz Demosthenes; Artur Camposo Pereira; Fabio Da Costa Garcia Filho; Fábio De Oliveira Braga; André Ben-Hur Da Silva Figueiredo; Sergio Neves Monteiro. 2020. "Tucum Fiber from Amazon Astrocaryum vulgare Palm Tree: Novel Reinforcement for Polymer Composites." Polymers 12, no. 10: 2259.

Journal article
Published: 26 August 2020 in Polymers
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Natural-fiber-reinforced polymer composites have recently drawn attention as new materials for ballistic armor due to sustainability benefits and lower cost as compared to conventional synthetic fibers, such as aramid and ultra-high-molecular-weight polyethylene (UHMWPE). In the present work, a comparison was carried out between the ballistic performance of UHMWPE composite, commercially known as Dyneema, and epoxy composite reinforced with 30 vol % natural fibers extracted from pineapple leaves (PALF) in a hard armor system. This hard armor system aims to provide additional protection to conventional level IIIA ballistic armor vests, made with Kevlar, by introducing the PALF composite plate, effectively changing the ballistic armor into level III. This level of protection allows the ballistic armor to be safely subjected to higher impact projectiles, such as 7.62 mm caliber rifle ammunition. The results indicate that a hard armor with a ceramic front followed by the PALF/epoxy composite meets the National Institute of Justice (NIJ) international standard for level III protection and performs comparably to that of the Dyneema plate, commonly used in armor vests.

ACS Style

Fernanda Santos Da Luz; Fabio Da Costa Garcia Filho; Michelle Souza Oliveira; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. Composites with Natural Fibers and Conventional Materials Applied in a Hard Armor: A Comparison. Polymers 2020, 12, 1920 .

AMA Style

Fernanda Santos Da Luz, Fabio Da Costa Garcia Filho, Michelle Souza Oliveira, Lucio Fabio Cassiano Nascimento, Sergio Neves Monteiro. Composites with Natural Fibers and Conventional Materials Applied in a Hard Armor: A Comparison. Polymers. 2020; 12 (9):1920.

Chicago/Turabian Style

Fernanda Santos Da Luz; Fabio Da Costa Garcia Filho; Michelle Souza Oliveira; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. 2020. "Composites with Natural Fibers and Conventional Materials Applied in a Hard Armor: A Comparison." Polymers 12, no. 9: 1920.

Journal article
Published: 25 January 2020 in Journal of Materials Research and Technology
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The arapaima is a large Amazonian freshwater fish and an example of a natural protective system against predators such as the piranha fish. In this work, both the plain scales and a 30 vol% of arapaima scales reinforced epoxy composite were characterized for their structure, composition and morphology. The characterization was performed by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). The SEM images showed that the surface morphology of the scales was not altered by the flattening process applied before composite manufacturing. The EDS results confirm that the percentage of calcium is higher in the scale outer layer, which also shows the presence of phosphorous. The evidence of collagens in the plain scales as well as the presence of hydroxyl groups and absorption bands related to the epoxy group in the composites were revealed by FTIR. Mechanical bend tests disclosed the toughening contribution of arapaima scales to the composite epoxy matrix. Nanoindentation testing confirms the higher hardness of the scale outer layer associated with calcium participation. These experimental results provide, for the first time, an initial view of the arapaima scales potential for use as reinforcement in novel polymer composites.

ACS Style

Wendell Bruno Almeida Bezerra; Sergio Neves Monteiro; Michelle Souza Oliveira; Fernanda Santos da Luz; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes; Ulisses Oliveira Costa. Processing and characterization of Arapaima gigas scales and their reinforced epoxy composites. Journal of Materials Research and Technology 2020, 9, 3005 -3012.

AMA Style

Wendell Bruno Almeida Bezerra, Sergio Neves Monteiro, Michelle Souza Oliveira, Fernanda Santos da Luz, Fabio Da Costa Garcia Filho, Luana Cristyne Da Cruz Demosthenes, Ulisses Oliveira Costa. Processing and characterization of Arapaima gigas scales and their reinforced epoxy composites. Journal of Materials Research and Technology. 2020; 9 (3):3005-3012.

Chicago/Turabian Style

Wendell Bruno Almeida Bezerra; Sergio Neves Monteiro; Michelle Souza Oliveira; Fernanda Santos da Luz; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes; Ulisses Oliveira Costa. 2020. "Processing and characterization of Arapaima gigas scales and their reinforced epoxy composites." Journal of Materials Research and Technology 9, no. 3: 3005-3012.

Conference paper
Published: 16 February 2019 in Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies
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In recent years, there has been a remarkable growth in the development of composite materials reinforced by natural fibers, especially by the substitution of synthetic fiber such as glass and carbon fiber, which are commonly used reinforcement materials for composites. Despite the benefits associated with the use of natural fibers, there are still some limitations to their application. Among the disadvantages presented by natural fibers stands the low thermal resistance. The hydrophilic characteristic of these natural lignocellulosic fibers (NLF) causes absorption of water, but at high temperatures, this water is lost and tends to produce pores and flaws in the composite. The objective of this work is to study the thermal behavior of epoxy composite materials reinforced with NLF in the proportions of 15, 30, 40, and 50 vol%. The samples were characterized by differential scanning calorimetry (DSC). The DSC curves suggest that the variation of the amount of natural fibers used for reinforcement did not affect the thermal stability of the composite once any variation of enthalpy was observed.

ACS Style

Michelle Souza Oliveira; Artur Camposo Pereira; Sergio Neves Monteiro; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes. Thermal Behavior of Epoxy Composites Reinforced with Fique Fabric by DSC. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies 2019, 101 -106.

AMA Style

Michelle Souza Oliveira, Artur Camposo Pereira, Sergio Neves Monteiro, Fabio Da Costa Garcia Filho, Luana Cristyne Da Cruz Demosthenes. Thermal Behavior of Epoxy Composites Reinforced with Fique Fabric by DSC. Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies. 2019; ():101-106.

Chicago/Turabian Style

Michelle Souza Oliveira; Artur Camposo Pereira; Sergio Neves Monteiro; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes. 2019. "Thermal Behavior of Epoxy Composites Reinforced with Fique Fabric by DSC." Energy Technology 2020: Recycling, Carbon Dioxide Management, and Other Technologies , no. : 101-106.

Conference paper
Published: 14 February 2019 in TMS 2018 147th Annual Meeting & Exhibition Supplemental Proceedings
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Natural lignocellulosic fibers are successfully replacing synthetic fibers as the reinforcement phase of composite materials in many engineering applications, from automotive parts to building construction and ballistic elements. In addition to well-known conventional lignocellulosic fibers, others with promising properties, like that obtained from the leaves of the fique plant (Furcraea andina), are now being considered. The interface between a composite matrix and the reinforcing fiber plays an important role in the efficiency by which an applied load is transmitted throughout the composite structure. In the present work, pullout tests were used to evaluate the interfacial shear stress of fique fiber in epoxy matrix composites. The results have shown that the naturally bonded filaments that constitute a fique fiber present interspatial voids between them. These voids play an important role in providing adherence of the fiber surface to a epoxy matrix, resulting in an effective reinforcement for a fique-strengthened composite.

ACS Style

Michelle Souza Oliveira; Artur Camposo Pereira; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes; Sergio Neves Monteiro. Performance of Epoxy Matrix Reinforced with Fique Fibers in Pullout Tests. TMS 2018 147th Annual Meeting & Exhibition Supplemental Proceedings 2019, 729 -734.

AMA Style

Michelle Souza Oliveira, Artur Camposo Pereira, Fabio Da Costa Garcia Filho, Luana Cristyne Da Cruz Demosthenes, Sergio Neves Monteiro. Performance of Epoxy Matrix Reinforced with Fique Fibers in Pullout Tests. TMS 2018 147th Annual Meeting & Exhibition Supplemental Proceedings. 2019; ():729-734.

Chicago/Turabian Style

Michelle Souza Oliveira; Artur Camposo Pereira; Fabio Da Costa Garcia Filho; Luana Cristyne Da Cruz Demosthenes; Sergio Neves Monteiro. 2019. "Performance of Epoxy Matrix Reinforced with Fique Fibers in Pullout Tests." TMS 2018 147th Annual Meeting & Exhibition Supplemental Proceedings , no. : 729-734.

Articles
Published: 01 January 2019 in Materials Research
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Firearms threat has always been a matter of personal concern, especially to soldiers in armed conflicts as well as police officers and civilians involved with public security. A multilayered armor system (MAS) is intended to personal protection against high kinetic energy ammunition, such as that used in rifles. MAS layers are normally composed of a front ceramic followed by a layer that must show both high impact resistance and low weight. Usually, synthetic fiber fabrics, such as aramid in Kevlar® and ultra-high molecular weight polyethylene (UHMWP) in Dyneema® are commonly used as the second layer. Currently, composites reinforced with natural fibers are also being considered as second MAS layer due to their good performance associated with the advantages of being cheaper and environmentally friendly. The fique is a relatively unknown natural fiber extracted from leaves of a plant native of South American Andes. In the present work, fique fibers and fique fabrics incorporated in polyester composite plates with volume fraction of 10, 20 and 30% were ballistic tested. The calculated projectile loss of energy indicated a relatively large energy dissipation by the composite. The tested specimens were statistically treated by the Weibull analysis and were examined by scanning electron microscopy.

ACS Style

Artur Camposo Pereira; Foluke Salgado De Assis; Fabio Da Costa Garcia Filho; Michelle Souza Oliveira; Eduardo Sousa Lima; Henry Alonso Colorado Lopera; Sergio Neves Monteiro. Evaluation of the Projectile's loss of Energy in Polyester Composite Reinforced with Fique Fiber and Fabric. Materials Research 2019, 22, 1 .

AMA Style

Artur Camposo Pereira, Foluke Salgado De Assis, Fabio Da Costa Garcia Filho, Michelle Souza Oliveira, Eduardo Sousa Lima, Henry Alonso Colorado Lopera, Sergio Neves Monteiro. Evaluation of the Projectile's loss of Energy in Polyester Composite Reinforced with Fique Fiber and Fabric. Materials Research. 2019; 22 (suppl 1):1.

Chicago/Turabian Style

Artur Camposo Pereira; Foluke Salgado De Assis; Fabio Da Costa Garcia Filho; Michelle Souza Oliveira; Eduardo Sousa Lima; Henry Alonso Colorado Lopera; Sergio Neves Monteiro. 2019. "Evaluation of the Projectile's loss of Energy in Polyester Composite Reinforced with Fique Fiber and Fabric." Materials Research 22, no. suppl 1: 1.

Articles
Published: 01 January 2019 in Materials Research
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The fique is a plant typical of the Colombian Andes, from which relatively common items are fabricated. One of these is woven fabric extensively applied in sackcloths. The mechanical strength of fique fabric have motivated recent investigations on possible reinforcement of polymer matrix composites. For this purpose its thermo-mechanical behavior was unveiled. In particular, dynamic mechanical analysis (DMA) of fique fabric reinforced polyester matrix composites disclosed improved viscoelastic behavior in association with change in the glass transition temperature. The present work extends this investigation to epoxy matrix, which is one of the most employed thermoset polymer for composite matrix. Fique fabric volumetric fractions of up to 50% are for the first time incorporated into epoxy composites. It was found that these incorporations significantly increased the viscoelastic stiffness of the composite, given by the storage modulus (E’), in the temperature interval from -50 to 170°C. An accentuated softening in viscoelastic stiffness was revealed for all composites above 75°C. Peaks in both the loss modulus (E”) and tangent delta (tan δ), respectively associated with the lower and upper limits of the glass transition temperature, were shifted towards higher temperatures with increasing amount of fique fabric.

ACS Style

Michelle Souza Oliveira; Fabio Da Costa Garcia Filho; Fernanda Santos Da Luz; Luana Cristyne Da Cruz Demosthenes; Artur Camposo Pereira; Henry Colorado; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. Evaluation of Dynamic Mechanical Properties of Fique Fabric/Epoxy Composites. Materials Research 2019, 22, 1 .

AMA Style

Michelle Souza Oliveira, Fabio Da Costa Garcia Filho, Fernanda Santos Da Luz, Luana Cristyne Da Cruz Demosthenes, Artur Camposo Pereira, Henry Colorado, Lucio Fabio Cassiano Nascimento, Sergio Neves Monteiro. Evaluation of Dynamic Mechanical Properties of Fique Fabric/Epoxy Composites. Materials Research. 2019; 22 (suppl 1):1.

Chicago/Turabian Style

Michelle Souza Oliveira; Fabio Da Costa Garcia Filho; Fernanda Santos Da Luz; Luana Cristyne Da Cruz Demosthenes; Artur Camposo Pereira; Henry Colorado; Lucio Fabio Cassiano Nascimento; Sergio Neves Monteiro. 2019. "Evaluation of Dynamic Mechanical Properties of Fique Fabric/Epoxy Composites." Materials Research 22, no. suppl 1: 1.

Journal article
Published: 28 February 2018 in Polymers
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A relatively unknown natural fiber extracted from the leaves of the fique plant, native of the South American Andes, has recently shown potential as reinforcement of polymer composites for engineering applications. Preliminary investigations indicated a promising substitute for synthetic fibers, competing with other well-known natural fibers. The fabric made from fique fibers have not yet been investigated as possible composite reinforcement. Therefore, in the present work a more thorough characterization of fique fabric as a reinforcement of composites with a polyester matrix was performed. Thermal mechanical properties of fique fabric composites were determined by dynamic mechanical analysis (DMA). The ballistic performance of plain woven fique fabric-reinforced polyester matrix composites was investigated as a second layer in a multilayered armor system (MAS). The results revealed a sensible improvement in thermal dynamic mechanical behavior. Both viscoelastic stiffness and glass transition temperature were increased with the amount of incorporated fique fabric. In terms of ballistic results, the fique fabric composites present a performance similar to that of the much stronger KevlarTM as an MAS second layer with the same thickness. A cost analysis indicated that armor vests with fique fabric composites as an MAS second layer would be 13 times less expensive than a similar creation made with Kevlar™.

ACS Style

Sergio Monteiro; Foluke Salgado De Assis; Carlos Luiz Ferreira; Noan Tonini Simonassi; Ricardo Pondé Weber; Michelle Souza Oliveira; Henry A. Colorado; Artur Camposo Pereira. Fique Fabric: A Promising Reinforcement for Polymer Composites. Polymers 2018, 10, 246 .

AMA Style

Sergio Monteiro, Foluke Salgado De Assis, Carlos Luiz Ferreira, Noan Tonini Simonassi, Ricardo Pondé Weber, Michelle Souza Oliveira, Henry A. Colorado, Artur Camposo Pereira. Fique Fabric: A Promising Reinforcement for Polymer Composites. Polymers. 2018; 10 (3):246.

Chicago/Turabian Style

Sergio Monteiro; Foluke Salgado De Assis; Carlos Luiz Ferreira; Noan Tonini Simonassi; Ricardo Pondé Weber; Michelle Souza Oliveira; Henry A. Colorado; Artur Camposo Pereira. 2018. "Fique Fabric: A Promising Reinforcement for Polymer Composites." Polymers 10, no. 3: 246.