Matrices for natural-fibre reinforced composites

Publisher Summary Composite materials are the most advanced and adaptable engineering materials. A composite is a heterogeneous material created by the synthetic assembly of two or more components constituting a reinforcing matrix and a compatible matrix in order to obtain specific characteristics and properties. The matrix may be metallic, ceramic or polymeric in origin. The matrix gives a composite its shape, surface appearance, environmental tolerance and overall durability while the fibrous reinforcement carries most of the structural loads, thus giving macroscopic stiffness and strength. Natural-fibre reinforced composites offer a good mechanical performance and eco-friendliness. The application of natural-fibre-based composites is increasing rapidly. This is especially related to certain problems concerning the use of synthetic fibre reinforced composites. Natural fibres such as flax, hemp, banana, sisal, oil palm and jute have a number of techno-economical and ecological advantages over synthetic fibres such as glass fibres. The combination of interesting mechanical and physical properties together with their environmentally friendly character has aroused interest in a number of industrial sectors, notably the automotive industry. This chapter discusses the advantages and disadvantages of using natural fibres in composites.

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