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Introduction 1.DEFINITION of Composite
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Materials Science

A REVIEW ON NATURAL FIBERS

Profile image of M.G. VairakkumarM.G. Vairakkumar

Abstract

Over the last thirty years composite materials, plastics and ceramics have been the dominant emerging materials. The volume and number of applications of composite materials have grown steadily, penetrating and conquering new markets relentlessly. Modern composite materials constitute a significant proportion of the engineered materials market ranging from everyday products to sophisticated niche applications. While composites have already proven their worth as weight-saving materials, the current challenge is to make them cost effective. This review paper discuss about world wide review report on natural fibers and its applications. Also, this paper concentrates on biomaterials progress in the field of orthopaedics. An effort to utilize the advantages offered by renewable resources for the development of biocomposite materials based on bio epoxy resin and natural fibers such as Agave sisalana; Musa sepientum; Hibiscus sabdariffa and its application in bone grafting substitutes.

FAQs

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What mechanical advantages does natural fiber composite offer compared to traditional materials?add

Natural fiber composites exhibit specific strength and stiffness significantly higher than glass fibers, being lightweight and strong. For example, their tensile strength can be four to six times greater than steel.

How does fiber type influence the properties of natural fiber composites?add

The study classifies natural fibers into categories such as bast, leaf, and seed, each offering distinct mechanical properties. For example, bast fibers from flax exhibit higher tensile strength compared to leaf fibers like sisal.

What are the environmental benefits of using natural fiber composites?add

Natural fiber composites are renewable, recyclable, and biodegradable, contributing to reduced environmental impact. Additionally, their production requires less energy and generates lower CO2 emissions compared to conventional materials.

What applications have been explored for sisal fiber reinforced composites?add

Sisal fiber reinforced composites have been utilized in diverse applications, including automotive parts and construction materials. Their high absorbance and low maintenance requirements make them ideal for such uses.

What innovations are being pursued in the field of natural fiber composites?add

Current research focuses on optimizing interfacial bonding between fibers and polymer matrices to enhance mechanical performance. Innovations such as using hybrid mixtures of fibers like Sisal and Roselle aim to improve composite strength.

Figures (3)
Figure 1. Classification of natural fibers
Figure 1. Classification of natural fibers
4, SISAL FIBRE Table 1 Properties of Natural fibres Sisal fiber is a kind of natural fiber, which possesses high specific strength and modulus, low price, recyclability, easy availability. Using sisal fiber as reinforcement to make sisal fiber reinforced polymer composites has aroused great interest of materials scientists and engineers all over the world. Many researches have been done in recent years, which include the study of mechanical properties of the composites, finding an efficient way to improve the interfacial bonding properties between sisal fiber and polymeric matrices and fiber surface treatment on the mechanical performance of the composites.
4, SISAL FIBRE Table 1 Properties of Natural fibres Sisal fiber is a kind of natural fiber, which possesses high specific strength and modulus, low price, recyclability, easy availability. Using sisal fiber as reinforcement to make sisal fiber reinforced polymer composites has aroused great interest of materials scientists and engineers all over the world. Many researches have been done in recent years, which include the study of mechanical properties of the composites, finding an efficient way to improve the interfacial bonding properties between sisal fiber and polymeric matrices and fiber surface treatment on the mechanical performance of the composites.

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