Journal of Materials & Metallurgical Engineering Original Research

Comparative Analysis of Natural and Synthetic Fibre-Reinforced Composites: Mechanical Properties, Processing, and Sustainability Considerations

  1. Gurushanth B Vaggar Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodbidri
  2. Ananthesh D Kamath Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodbidri
  3. Elvin Chris DSouza Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodbidri
  4. Shyam Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodbidri
  5. Pradeep Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodbidri

Abstract

The development of fibre-reinforced composites has significantly advanced engineering applications due to their excellent strength-to-weight ratio, corrosion resistance, and versatility. Synthetic fibres such as glass and carbon provide superior mechanical performance, but their production is energy-intensive and environmentally harmful. Natural fibres, including jute, flax, banana, and hemp, offer biodegradability, lower cost, and sustainability benefits, though they often fall short in strength and durability. Hybrid composites frequently demonstrate improved performance by combining the strength of synthetic fibres with the eco-friendly characteristics of natural fibres. Sustainability considerations reveal that the use of natural fibres can reduce costs and environmental impacts by up to 30%, highlighting their growing relevance in aerospace, automotive, and civil engineering. This paper consolidates findings from ten key studies, emphasizing mechanical properties, processing methods, and sustainability perspectives. Future research directions in fibre treatment, matrix modification, and recycling are also discussed.

Keywords

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