Abstract
The concern for the environmental pollution and the prevention of resources has attracted researchers to develop new eco-friendly green materials based on sustainability principles. In this experimental study, there are six different composite samples were fabricated by using banana and carbon fibers with epoxy resin matrix. The mechanical properties such as tensile strength, flexural strength, impact strength, and water uptake properties of these composites have been evaluated. The composites reinforced with pure carbon fibers can hold the maximum tensile strength of 288.03 MPa, flexural strength of 3.12 kN, impact strength of 4.58 J and water intake percentage of 62.3%. Whereas the composites reinforced with carbon and banana fibers can withstand the maximum tensile strength of 277.06 MPa, flexural strength of 3.07 kN, impact strength of 4.36 J and water intake percentage of 70%. The finite element analysis has been carried out to predict the mechanical properties of the composites by using ANSYS 15.0. The experimental results are compared with the predicted values and have found that, there is a high correlation occurs between the results. Scanning electron microscopy (SEM) analysis is carried out to study the fiber matrix interfaces and analyse the structure of the fractured and water absorbed surfaces.
Highlights
A designer is always interested in the estimation of failure stresses of the material and wants to employ the design and the most important characteristics for almost all engineering components include mechanical properties and/or methods of fabrication of the material
The electrical properties of banana and other natural fibers reinforced high density polyethylene composites have been studied and found that the untreated banana fiber showed better resistivity and volume resistivity while maleic anhydride treated agave fiber composites showed minimum surface resistivity and volume resistivity[35]. The mechanical properties such as tensile strength, flexural strength, impact strength and water absorption properties of sisal and banana fibers reinforced composites have been observed and found that there is the significant improvement in mechanical strength and reduction in water absorption rate while hybridizing the banana fiber with sisal fiber reinforced composites[36]
The banana and carbon fibers reinforced hybrid composites were fabricated by hand lay-up process and the mechanical properties such as tensile strength, flexural strength, impact strength and water intake behaviour of these composites have been evaluated
Summary
A designer is always interested in the estimation of failure stresses of the material and wants to employ the design and the most important characteristics for almost all engineering components include mechanical properties and/or methods of fabrication of the material. The electrical properties of banana and other natural fibers reinforced high density polyethylene composites have been studied and found that the untreated banana fiber showed better resistivity and volume resistivity while maleic anhydride treated agave fiber composites showed minimum surface resistivity and volume resistivity[35]. The mechanical properties such as tensile strength, flexural strength, impact strength and water absorption properties of sisal and banana fibers reinforced composites have been observed and found that there is the significant improvement in mechanical strength and reduction in water absorption rate while hybridizing the banana fiber with sisal fiber reinforced composites[36]. Scanning electron microscope (SEM) analysis is carried out to study the fiber matrix interfaces and analyse the structure of the fractured surfaces
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