scholarly journals Tensile Properties of Natural Fibre Reinforced Thermoset Composites

2005 ◽  
Vol 14 (1) ◽  
pp. 096369350501400 ◽  
Author(s):  
T. Yamamoto ◽  
L. Medina ◽  
R. Schledjewski
Keyword(s):  
Mechanical Properties ◽  
Tensile Properties ◽  
Microscopic Observation ◽  
Natural Fibre ◽  
Natural Fibres ◽  
Fracture Surfaces ◽  
Thermoset Composites ◽  
Fibre Composites

The processing and mechanical properties of natural fibre composites were investigated. Three kinds of kenafhemp-non-woven materials impregnated with an acrylic matrix were used. The natural fibre composites were press moulded and showed good mechanical properties. It was clarified on the basis of the microscopic observation of the fracture surfaces that the adhesion of natural fibres and matrix was important in order to obtain good mechanical properties.

Tensile properties prediction of natural fibre composites using rule of mixtures: A review

2018 ◽  
Vol 38 (5) ◽  
pp. 211-248 ◽  
Author(s):  
Mun Wai Tham ◽  
MR Nurul Fazita ◽  
HPS Abdul Khalil ◽  
Nurul Zuhairah Mahmud Zuhudi ◽  
Mariatti Jaafar ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Tensile Properties ◽  
Polymer Composites ◽  
Mixture Models ◽  
Prediction Accuracy ◽  
Physical And Mechanical Properties ◽  
Natural Fibre ◽  
Natural Fibres ◽  
Fibre Composites ◽  
Experimental Values

Rule of mixture models are usually used in the tensile properties prediction of polymer composites reinforced with synthetic fibres. They are less utilized for natural fibre/polymer composites due to natural fibres physical and mechanical properties variability which reduces rule of mixture model's prediction values accuracy compared to the experimental values. This had led to studies conducted by various researchers to improve the existing rule of mixture models to give a better reflection of the true natural fibres properties and enhance the rule of mixture models prediction accuracy. In this paper, rule of mixture model's utilization includes the existing rule of mixture models as well as proposed rule of mixture models which have one or more factors incorporated into existing rule of mixture models for natural fibre/polymer composites tensile properties prediction are reviewed.

scholarly journals Characterisation of Natural Fibres for Sustainable Discontinuous Fibre Composite Materials

Materials ◽  
2020 ◽  
Vol 13 (9) ◽  
pp. 2129 ◽  
Author(s):  
Ali Kandemir ◽  
Thomas R. Pozegic ◽  
Ian Hamerton ◽  
Stephen J. Eichhorn ◽  
Marco L. Longana
Keyword(s):  
Mechanical Properties ◽  
High Performance ◽  
Material Selection ◽  
Fibre Composite ◽  
Single Fibre ◽  
Natural Fibre ◽  
Natural Fibres ◽  
Fibre Composites ◽  
Waste Flow ◽  
Mechanical Performances

Growing environmental concerns and stringent waste-flow regulations make the development of sustainable composites a current industrial necessity. Natural fibre reinforcements are derived from renewable resources and are both cheap and biodegradable. When they are produced using eco-friendly, low hazard processes, then they can be considered as a sustainable source of fibrous reinforcement. Furthermore, their specific mechanical properties are comparable to commonly used, non-environmentally friendly glass-fibres. In this study, four types of abundant natural fibres (jute, kenaf, curaua, and flax) are investigated as naturally-derived constituents for high performance composites. Physical, thermal, and mechanical properties of the natural fibres are examined to evaluate their suitability as discontinuous reinforcements whilst also generating a database for material selection. Single fibre tensile and microbond tests were performed to obtain stiffness, strength, elongation, and interfacial shear strength of the fibres with an epoxy resin. Moreover, the critical fibre lengths of the natural fibres, which are important for defining the mechanical performances of discontinuous and short fibre composites, were calculated for the purpose of possible processing of highly aligned discontinuous fibres. This study is informative regarding the selection of the type and length of natural fibres for the subsequent production of discontinuous fibre composites.

Fabrication and Characterization of Biocomposite Using Grewia Optiva Fibre (i.e. Bhimal) Reinforced Polyvinyl Alcohol (PVA)

2015 ◽  
Vol 1105 ◽  
pp. 51-55 ◽  
Author(s):  
K.M. Gupta ◽  
Kishor Kalauni
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Natural Fibre ◽  
Fabrication Method ◽  
View Point ◽  
Engineering Material ◽  
Fibre Composites ◽  
Grewia Optiva ◽  
Fabrication And Characterization

Bhimal fibres are quite a newer kind of bio-degradable fibres. They have never been heard before in literatures from the view point of their utility as engineering material. These fibres have been utilized for investigation of their properties. Characterization of this fibre is essential to determine its properties for further use as reinforcing fibre in polymeric, bio-degradable and other kinds of matrix. With this objective, the fabrication method and other mechanical properties of Bhimal-reinforced-PVA biocomposite have been discussed. The stress-strain curves and load-deflection characteristics are obtained. The tensile, compressive, flexure and impact strengths have been calculated. The results are shown in tables and graphs. The results obtained are compared with other existing natural fibre biocomposites. From the observations, it has been concluded that the tensile strength of Bhimal-reinforced-PVA biocomposite is higher than other natural fibre composites. Hence these can be used as reinforcement to produce much lighter weight biocomposites.

Rice Husk Reinforcement in Polymer Composites

2016 ◽  
pp. 165-191
Author(s):  
Sanjay Sharma ◽  
Deepak Verma
Keyword(s):  
Mechanical Properties ◽  
Rice Husk ◽  
Low Cost ◽  
Petroleum Products ◽  
Natural Fibre ◽  
Low Density ◽  
Thermal And Mechanical Properties ◽  
Coconut Husk ◽  
Fibre Composites ◽  
Petroleum Reserves

Increasing concern about global warming and depleting petroleum reserves and the high cost of petroleum products had made scientists to focus more on the use of natural fibres such as rice husk, baggase, coconut husk, hemp, sisal, jute, flax, banana etc. Past decade has shown many efforts to develop composites to replace the Petroleum and other non-decaying material products. Reinforcement with natural fibre in composites has recently gained attention due to low cost, easy availability, low density, acceptable, strength full, stiffness, ease of separation, enhanced energy recovery, biodegradability and recyclable in nature. Natural fibre composites are suitable as wood substitutes in the construction sector. All these have excellent physical, thermal and mechanical properties and can be utilized more effectively in the development of composite materials. In this connection, an investigation has been carried using rice husk, a natural fibre abundantly available in India.

Evaluation of Mechanical Properties of Sugarcane Reinforced Hybrid Natural Fibre Composites by Conventional Fabrication and Finite Element Method

2020 ◽  
Vol 841 ◽  
pp. 327-334
Author(s):  
Dhiwakar S. Ram ◽  
P.N. Bharath Kumar ◽  
R. Sandeep Kumar ◽  
B. Vijaya Ramnath
Keyword(s):  
Mechanical Properties ◽  
Finite Element Method ◽  
Finite Element ◽  
Composite Structures ◽  
Natural Fibre ◽  
Degradable Polymer ◽  
Reinforced Polymer ◽  
Fabrication Errors ◽  
Fibre Composites ◽  
Element Method

Natural Fibre composites are being widely used as a replacement to non-bio-degradable polymer composites. The unavailability of proper processes to treat the natural fibres and the errors in fabrication result in less accurate mechanical properties. The accuracy that is obtained by machine-based processes is not possible in Hand layup method, which is employed in fabrication of natural fibre composites. Finite Element method packages which are specially intended in modelling composite structures give more accurate result of properties than experimental setup, by avoiding fabrication errors. This paper evaluates Impact energy and then the tensile strength, flexural strength of a sugarcane fibre GFRP reinforced polymer matrix both by conventional Hand Layup method and also by Finite Element method.

Effect of Nanocellulose Loading on Tensile Properties of Nitrile Rubber

2017 ◽  
Vol 264 ◽  
pp. 112-115
Author(s):  
Erfan Suryani Abdul Rashid ◽  
Wageeh Abdulhadi Yehye ◽  
Nurhidayatullaili Muhd Julkapli ◽  
Sharifah Bee O.A. Abdul Hamid
Keyword(s):  
Electron Microscopy ◽  
Mechanical Properties ◽  
Scanning Electron Microscopy ◽  
Tensile Strength ◽  
Tensile Test ◽  
Tensile Properties ◽  
Mechanical Performance ◽  
Butadiene Rubber ◽  
Fracture Surfaces ◽  
Scanning Electron

Nanocellulose (NCC) is incorporated into nitrile butadiene rubber (NBR) latex with the composition 0 to 5 phr using dipping method. Mechanical properties of NBR/NCC composites using tensile test was used to characterize their mechanical performance and the fracture surfaces post tensile test were studied. The tensile strength of NBR/NCC composites increase significantly with the addition of nanocellulose. This could be anticipated due to the presence of Van der Waals interaction between hydrophilic natures of nanocellulose with hydrophobic of NBR consequently limits the tearing propagation. The result was supported with the fracture surfaces morphology viewed under Fourier Emission Scanning Electron Microscopy (FESEM).

scholarly journals Enhanced Thermal Stability, Mechanical Properties and Structural Integrity of MWCNT Filled Bamboo/Kenaf Hybrid Polymer Nanocomposites

Materials ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 506
Author(s):  
J. M. Prabhudass ◽  
K. Palanikumar ◽  
Elango Natarajan ◽  
Kalaimani Markandan
Keyword(s):  
Mechanical Properties ◽  
Carbon Nanotubes ◽  
Energy Absorption ◽  
Epoxy Matrix ◽  
Structural Integrity ◽  
High Energy ◽  
Natural Fibre ◽  
Impact Testing ◽  
Hibiscus Cannabinus ◽  
Natural Fibres

Recently, there has been an inclination towards natural fibre reinforced polymer composites owing to their merits such as environmental friendliness, light weight and excellent strength. In the present study, six laminates were fabricated consisting of natural fibres such as Kenaf fibre (Hibiscus cannabinus L.) and Bamboo fibre, together with multi-walled carbon nanotubes (MWCNTs) as reinforcing fillers in the epoxy matrix. Mechanical testing revealed that hybridization of natural fibres was capable of yielding composites with enhanced tensile properties. Additionally, impact testing showed a maximum improvement of ≈80.6% with the inclusion of MWCNTs as nanofiller in the composites with very high energy absorption characteristics, which were attributed to the high specific energy absorption of carbon nanotubes. The viscoelastic behaviour of hybridised composites reinforced with MWCNTs also showed promising results with a significant improvement in the glass transition temperature (Tg) and 41% improvement in storage modulus. It is worth noting that treatment of the fibres in NaOH solution prior to composite fabrication was effective in improving the interfacial bonding with the epoxy matrix, which, in turn, resulted in improved mechanical properties.

Tensile and flexural properties of Tampico fibres and E-glass fibre composites reinforced with epoxy resin

2021 ◽  
pp. 146442072110357
Author(s):  
T Narendiranath Babu ◽  
E Rajkumar ◽  
George George ◽  
Jefferson Jobai ◽  
D Rama Prabha
Keyword(s):  
Mechanical Properties ◽  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Bending Strength ◽  
Lattice Structure ◽  
Natural Fibre ◽  
Flexural Properties ◽  
X Ray Diffraction ◽  
X Ray ◽  
Fibre Composites

The focus of our study was to evaluate and compare the mechanical properties, namely tensile and bending strength of natural fibre composites. Natural fibre composites are composites consisting of fibres made from plants and animals. The natural fibre chosen for this study was Tampico fibre. The moulds were made according to ASTM D638 and D790 standards for both tensile and bending specimens. The first set of composites were arranged in three different orientations namely uniaxial, biaxial and criss-cross. The moulds were prepared using the hand-lay-up technique. These fibres were combined with Epoxy LY-556 pitch and Hardener HY-951 in a specific proportion to make the composite. The second set of composites included an additional variant in the form of biaxial E-glass fibres of 270GSM density, to compare the differences in the mechanical strength. The X-ray diffraction and Fourier-transform infrared spectroscopy were performed on the specimen to understand the lattice structure and prevalent bonds formed within the composites.

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