Jute/Hemp bio-epoxy hybrid bio-composites: influence of stacking sequence on adhesion of fiber-matrix

A. Vinod, Jiratti Tengsuthiwat, Yashas Gowda, R. Vijay, M. R. Sanjay, Suchart Siengchin, Hom Dhakal

Research output: Contribution to journalArticlepeer-review

Abstract

In the current research, four different sequential laminates of Jute (J) and Hemp (H) fibers reinforced hybrid bio-epoxy composites were developed by using the hand lay-up method. The effect of the layering sequence of laminates was evaluated through mechanical properties such as tensile, flexural, interlaminar shear, and impact tests, and physical properties like water absorption, percentage void, and density. The stacking sequence showed minor changes in the hardness of the composites, while the mechanical performance of the hybrid laminates was comparable to the pure hemp laminate. The hybrid composite hemp/jute/hemp showed the highest tensile strength of 65.44 MPa, and a similar trend was observed in flexural results. The mechanical test results revealed that hybridization with hemp fiber as a skin layer and jute fiber as a core layer can improve the tensile and flexural strength, but it will decrease interlaminar shear strength. Thermal stability and fracture morphology are analyzed using thermogravimetric analysis and scanning electron microscopic images.
Original languageEnglish
Article number103050
Number of pages11
JournalInternational Journal of Adhesion and Adhesives
Volume113
Early online date11 Nov 2021
DOIs
Publication statusPublished - 1 Mar 2022

Keywords

  • Hybrid composite
  • Hand layup
  • Thermal stability
  • Void content
  • Water absorption
  • Hemp/jute

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