A review on mechanical behavior of natural fiber reinforced polymer composites and its applications

Jariwala, Hitesh R.; Jain, Piyush

doi:10.1177/0731684419828524

Cited by 185 publications

(87 citation statements)

References 43 publications

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“…The characterization of mechanical properties of NFC plays a crucial role in determining their actual applicability in substitution to traditional composite materials . Models for the prediction of mechanical properties such as the ultimate tensile strength (UTS), the modulus of elasticity (MOE), or the strain of NFC are necessary to enable the adoption of these materials in engineering design …”

Section: Introductionmentioning

confidence: 99%

Manufacturing and characterization of hemp‐reinforced epoxy composites

et al. 2020

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The adoption of natural‐based fibers in place of inorganic reinforcements is an effective approach to reduce the environmental and economic impact of composite materials. In particular, hemp is an attractive solution due to its mechanical, physical, and growing properties. The present article deals with the manufacturing of thermoset hemp‐reinforced composite materials. In particular, the investigation moves into the production by resin transfer molding and by resin powder molding with the use of epoxy polymeric material. To describe the effects of the technological cycle onto the characteristic of realized products, different manufacturing parameters have been combined during the braiding of reinforcement and the polymerization of the final composite. Computed tomography, microscopical analysis, and tensile tests have been used to observe the main effects of the manufacturing process and mechanical properties of the materials. Furthermore, elastic moduli of the materials have been estimated by means of modified rule of mixture and Halpin‐Tsai models in order to verify their effectiveness in forecasting stiffness of the hemp‐reinforced composites in the early design phase. The article extends the existing knowledge base on hemp‐reinforced thermoset composites manufactured with different processes. Results also illustrate relations existing between error introduced by calculation models and the intrinsic variability in mechanical properties.

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Section: Introductionmentioning

confidence: 99%

Manufacturing and characterization of hemp‐reinforced epoxy composites

et al. 2020

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“…Sisal, cotton, kenaf, cellulostic fibers from various plants, Impomea pescaprae, pineapple, ramie, roselle, coir, flax, jute, bagasse, alovera and hemp are some of the fibers used for various applications. The usage of these can reduce the bio waste accumulation and improve the properties of polymer composites [1][2][3][4][5][6][7][8][9][10]. These bio fibers have the property to stick with water content, that will reduce the properties by lesser contact with the matrix resin.…”

Section: Introductionmentioning

confidence: 99%

Abrasive water jet machining of Sisal/Pineapple epoxy hybrid composites with the addition of various fly ash filler

Sumesh

Kanthavel

2020

Mater. Res. Express

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This research was based on influence of various fly ash filler content in the machining properties of Pineapple (P)/Sisal (S) hybrid fiber reinforcement composites. Fly ash from bio waste materials of Bagasse (BGFA), Banana (BFA) and Coir (CFA) were used. High hardness nature of 3% BFA (22.73 HV) and 3% CFA (23.85 HV) reduces Material Removal Rate (MRR) and increases its surface roughness nature of the composites. Maximum MRR of 376.38 mm 3 min −1 was observed in 3% BGFA combinations with 250 MPa Water jet Pressure (WP), 1mm Standoff Distance (SOD) and 20 mm min −1 Traverse Speed (TS) as machining parameters. MRR of 353.64 and 352.76 mm 3 min −1 was found out with 1% CFA and 1% BFA combinations. Lower surface roughness of 6.39 μm, 6.71 μm and 6.75 μm was found in 3% BGFA, 1% CFA and 1% BFA based composites. Filler surface created a tight bonding with the matrix, which reduces the erosion of fiber particles at higher WP. Untreated fibers showed lesser machining properties due to low fiber/matrix bonding. SEM results showed reducing of cracks and matrix breakages by the substitution of filler powders.

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“…Composites reinforced with natural fibers show a completely different behavior when subjected to TGA testing ( Figure 6 ). Both CA-FF and CA-JF display an initial weight loss ( Table 5 ), absent in the CF-based sample, at temperatures that are too low to be ascribed to thermal degradation ( T < 110 °C): this phenomenon might be related, instead, to the extremely high hydrophilicity that characterizes cellulosic fibers [ 27 ], with high equilibrium moisture content. While fibers were dried before use, their handling in atmospheric humidity makes the fibers take up water even during their processing.…”

Section: Resultsmentioning

confidence: 99%

“…While a wealth of literature is devoted to the production of resins from renewable resources [ 24 , 25 , 26 , 27 ], the easiest approach to sustainability in fiber reinforced composites is the switch to natural fibers [ 28 ] and, as has been conducted only recently, in the attempt to recycle composites to reuse, at the very least, the reinforcing fraction [ 29 , 30 , 31 , 32 ].…”

Section: Introductionmentioning

confidence: 99%

Adenine as Epoxy Resin Hardener for Sustainable Composites Production with Recycled Carbon Fibers and Cellulosic Fibers

et al. 2020

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In this work, Adenine is proposed, for the first time, as a cross-linker for epoxy resins. Adenine is an amino-substituted purine with heterocyclic aromatic structure showing both proton donors, and hydrogen bonding ability. DSC studies show that adenine is able to positively cross-link a biobased DGEBA-like commercial epoxy precursor with good thermal performance and a reaction mechanism based on a 1H NMR investigation has been proposed. The use of such a formulation to produce composite with recycled short carbon fibers (and virgin ones for the sake of comparison), as well as jute and linen natural fibers as sustainable reinforcements, leads to materials with high compaction and fiber content. The curing cycle was optimized for both carbon fiber and natural fiber reinforced materials, with the aim to achieve the better final properties. All composites produced display good thermal and mechanical properties with glass transition in the range of HT resins (Tg > 150 °C, E’ =26 GPa) for the carbon fiber-based composites. The natural fiber-based composites display slightly lower performance that is nonetheless good compared with standard composite performance (Tg about 115–120 °C, E’ = 7–9 GPa). The present results thus pave the way to the application of adenine as hardener system for composites production.

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A review on mechanical behavior of natural fiber reinforced polymer composites and its applications

Cited by 185 publications

References 43 publications

Manufacturing and characterization of hemp‐reinforced epoxy composites

Manufacturing and characterization of hemp‐reinforced epoxy composites

Abrasive water jet machining of Sisal/Pineapple epoxy hybrid composites with the addition of various fly ash filler

Adenine as Epoxy Resin Hardener for Sustainable Composites Production with Recycled Carbon Fibers and Cellulosic Fibers

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