The following are the functions of reinforcing fibres:
- It provides strength and rigidity.
- It supports the structural loads.
Three most commonly used reinforcing fibres are: (a) glass fibres, (b) carbon and (c) aramid.
Glass fibres are the heaviest which provide high flexibility. Carbon is the strongest and heavier. Aramid has moderate stiffness. When more than one reinforcing material is used, that material is called hybrid composites.
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