Influence of chemical treatments on mechanical properties of hemp fiber reinforced composites

Sepe, Raffaele; Bollino, Flavia; Boccarusso, Luca; Caputo, Francesco

doi:10.1016/j.compositesb.2017.09.030

Cited by 390 publications

(205 citation statements)

References 31 publications

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“…5,6 The use of fibers such as natural or synthetic as an enhancing element in polymer matrix makes the polymer valid for many applications. 7,8 The characteristics of fiber reinforced composite called as fibrous composite substances are especially dependent upon the properties of fiber and its microstructural parameters such as diameter and length of the fiber, 9,10 fiber propagation, fiber orientation, and fiber volume division. [11][12][13][14][15][16][17] In recent decades, researchers are more intrigued to find the use of biodegradable materials, including natural fibers, because they are more durable, recyclable, and cheap.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on dynamic mechanical and thermal characteristics of Coccinia Indica fiber reinforced polyester composites

Balu

Subramani²,

Palaniappan

et al. 2020

Journal of Engineered Fibers and Fabrics

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Due to superior material properties of fiber reinforced composites, they are utilized in many structural fabrications. Even though many studies have been reported about various fiber reinforced composites, it is indeed to find more eco-friendly composites for modern applications. So, developing the new fiber reinforced composites and revealing its mechanical properties are vital. In this examination, the natural fiber reinforced polymer matrix composite was prepared by compression molding method. The natural fiber named as Coccinia Indica was used to fabricate the fiber reinforced composites. The impact of different fiber length on dynamic mechanical properties like loss modulus, storage modulus, and loss of weight in fiber reinforced composites was predicted using dynamic mechanical analysis and thermogravimetric analysis. The outcomes revealed that fiber length of 30 mm shows better values in storage modulus and nominal loss modulus owing to higher interfacial bonding among fiber and matrix. However, in other fiber lengths, the storage modulus depicts poor result and high loss modulus is due to inefficient stress transfer.

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Section: Introductionmentioning

confidence: 99%

Experimental investigation on dynamic mechanical and thermal characteristics of Coccinia Indica fiber reinforced polyester composites

Balu

Subramani²,

Palaniappan

et al. 2020

Journal of Engineered Fibers and Fabrics

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“…Natural fibers are potential replacement of synthetic fibers due to their biodegradability, renewability, and cheaper price. However, in terms of mechanical properties, synthetic fibers demonstrated higher mechanical properties, causing limited application for natural fiber-reinforced composites [1][2][3][4][5][6][7][8][9][10][11][12][13]. Kenaf is one of the natural fibers that shows reasonably good mechanical properties with different types of resin [14].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Characteristics of Green Composites of Short Kenaf Bast Fiber Reinforced in Cardanol

Dashtizadeh

Abdan

Cardona

et al. 2019

Advances in Materials Science and Engineering

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In this experiment, thermoset cardanol resin was reinforced with short kenaf bast fibers to produce 100% green composites. Different fiber loadings based on weight ratios (0%, 30%, 40%, 50%, and 60%) were fabricated by the hand layup method followed by compression molding. e results indicated that 50UTK (untreated kenaf fibers) displays the highest mechanical properties (91.9% and 43.4% increment for tensile strength and impact strength, respectively) compared with the brittle cardanol polymer and other combinations of composite. is indicates a great load transfer mechanism by kenaf fiber reinforcement due to good fiber/matrix interface shown in scanning electron microscope (SEM) analyses. On the contrary, short kenaf fiber insertion creates a stress concentration spot at the fiber's end causing slightly lower flexural properties. Besides, high processing temperature has caused damage to the fibers and made further reduction of flexural strength. erefore, a better load transfer mechanism has been compensated by negative influences of kenaf fiber insertion. In conclusion, 50 wt% of kenaf fiber insertion is found to be the optimum loading for cardanol matrix.

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“…As already mentioned, these results show that corn cob added to the polyester resin will serve as a filler in order to reduce the amount of the polyester resin used and should be used in applications where the amount added in the case is 5% does not compromise its mechanical performance (Sepe et al 2018). …”

Section: Tensile Testingmentioning

confidence: 52%

Evaluation of the Mechanical and Insulation Properties of a Polymeric Composite With Corn Cob Loads Triturated

Moreno¹

2018

Rev. Mex. Ing. Quim.

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The objective of this work was to study the viability of the use of the crushed corn cob, employed as load in a composite polyester resin. The specimens were produced with 5, 10 and 20% by weight of the ground corn cob, as fine particles (FP), medium particles (MP) and large particles (LP) to investigate the influence of the loading content on the mechanical and thermal conductivity properties of the composite material. The results of the mechanical tests, the data of impact test presented a satisfactory result for all the composites. However, the photomicrographs of the composites through SEM indicated low mechanical load/matrix adhesion, with few signs of effective stress transfer between phases, noting that the most viable particle size is the fine particle (FP). The composites shown to be viable for thermal applications, with a thermal conductivity of 0.138 W/m lower than 0.21 W/m, being classified as thermal insulation.Palabras clave: polyester resin, corn cob, modulus of elasticity, thermal conductivity, insulation. ResumenEl objetivo de este trabajo fue estudiar la viabilidad del uso de la mazorca de maíz triturada, empleada como carga en una resina compuesta de poliéster. Los especímenes se produjeron con 5, 10 y 20% en peso de la mazorca de maíz molido, como partículas finas (PF), partículas medianas (PM) y partículas grandes (PG) para investigar la influencia del contenido de carga en la mecánica y térmica propiedades de conductividad del material compuesto. Los resultados de las pruebas mecánicas, en impacto presentaron un resultado satisfactorio para todos los compuestos. Sin embargo, las fotomicrografías de los compuesto por los SEM indicaron una baja adhesión carga/matriz, con pocos signos de transferencia efectiva de tensión de las fases, señalando que el tamaño de partícula más viable es la partícula fina (PF). Los compuesto mostraron ser viables para aplicaciones en aislamiento térmico, con una conductividad térmica de 0.138W/m abajo 0.21W/m.

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Influence of chemical treatments on mechanical properties of hemp fiber reinforced composites

Cited by 390 publications

References 31 publications

Experimental investigation on dynamic mechanical and thermal characteristics of Coccinia Indica fiber reinforced polyester composites

Experimental investigation on dynamic mechanical and thermal characteristics of Coccinia Indica fiber reinforced polyester composites

Mechanical Characteristics of Green Composites of Short Kenaf Bast Fiber Reinforced in Cardanol

Evaluation of the Mechanical and Insulation Properties of a Polymeric Composite With Corn Cob Loads Triturated

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