Natural fibre-reinforced thermoplastic composites: A bibliometric analysis and review of eco-friendly solutions in exterior automotive components

Mohamad Yusuf Salim, M. R. M. Asyraf, Abu Hassan Nordin, M.N.N. Harjar, Mohammed Sanal B, K.Z. Hafila et al. · 2025 · 11 citationsRead the paper

The automotive industries are consistently working towards the advancement of lightweight components to enhance fuel efficiency. Thermoplastic matrix composites have been found to provide several notable benefits, including potential weight reduction, recyclability, specific strength, corrosion resistance, cost-efficiency, and design versatility. The variety of material forms and combinations in fibre-reinforced thermoplastic polymers has expanded, opening new possibilities for their use in the automotive sector and beyond. Natural fibres, due to their biodegradability, widespread availability in nature, and cost-effectiveness, offer an opportunity to broaden the range of materials used while reducing reliance on petroleum-based products. Moreover, various modifications are employed to enhance the properties of natural fibres, making them more competitive with synthetic fibres for these applications. This review provides a thorough bibliometric and technical overview of the use of natural fibres as reinforcement fibres in the thermoplastic composites. A particular focus is placed on plant fibres and their potential applications as composite reinforcement for automotive applications, especially exterior components. The review also provides an overview of the properties of commonly available thermoplastic matrices and the various composite fabrication techniques. This information can assist in making informed decisions when selecting the most suitable material and process for specific product development. Furthermore, this review examines the mechanical properties of natural fibre reinforced thermoplastic composites and sheds light on the important challenges that must be addressed.

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