The effect of various environmental conditions on the impact damage behaviour of natural-fibre-reinforced composites (NFRCs)—A critical review

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Studies into environmental conditions and their effects on the properties of renewable materials are gaining significant attention in the research field, particularly for natural fibres and their resultant composites. However, natural fibres are prone to water absorption because of the hydrophilic nature of the fibres, which affects the overall mechanical properties of natural-fibre-reinforced composites (NFRCs). In addition, NFRCs are based mainly on thermoplastic and thermosetting matrices, which could be used in automobile and aerospace components as lightweight materials. Therefore, such components have to survive the maximum temperature and humid conditions in different parts of the world. Based on the above factors, through an up-to-date review, this paper critically discusses the effects of environmental conditions on the impact performance of NFRCs. In addition, this paper critically assesses the damage mechanisms of NFRCs and their hybrids by focusing more on moisture ingress and relative humidity in the impact damage behaviour of NFRCs.
Original languageEnglish
Article number1229
Number of pages42
Issue number5
Publication statusPublished - 28 Feb 2023


  • natural-fibre-reinforced composites (NFRCs)
  • impact performance
  • environmental conditions
  • moisture content
  • damage mechanisms
  • hybrids

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