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May 30, 2026Open Access

Mechanical, Water Absorption, and Thermal Characterisation of Jute–Sisal Hybrid Natural Fibre Reinforced Epoxy Composites

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Authors

AMAnupam Srivastava, Kavitha Nair, Deepak Rajan Mishra

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Overview

Randomized trial evaluates mechanical properties of hybrid jute-sisal composites, suggesting enhancement with chemical treatments.

Key Points

  • This research aims to assess the mechanical and thermal characteristics of hybrid jute-sisal epoxy composites compared to individual fibre composites.
  • Fabricated hand-layup jute/epoxy, sisal/epoxy, and hybrid jute-sisal/epoxy composites at varying fibre volume fractions (5-30 vol%)
  • Evaluated the effect of alkali (NaOH) treatment, silane coupling agent treatment, and benzoyl peroxide on interfacial adhesion
  • Characterized water absorption, thermal stability through thermal gravimetric analysis, and microstructural properties via FTIR and SEM.
  • The hybrid 20 vol% composite with 10% NaOH-treated fibres reached peak tensile strength of 86 MPa, a 105% improvement over neat epoxy.
  • Flexural strength was recorded at 118 MPa, showing a 103% increase, and Charpy impact energy was 14.6 J, the highest among tested compositions.
  • Alkali treatment improved interlaminar shear strength by 75% compared to untreated hybrid laminates.

Cite This Study

Anupam Srivastava, Kavitha Nair, Deepak Rajan Mishra (2026) studied this question.

synapsesocial.com/papers/6a1a827f0307b78509434312https://doi.org/10.5281/zenodo.20430702
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