Characterization of interfacial strength in natural fibre - polyolefin composites at different temperatures

James L. Thomason, Jose L. Rudeiros-Fernández

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Abstract

It is often suggested that optimization of the fibre-matrix interfacial adhesion is essential to improve the mechanical performance of natural fibre reinforced thermoplastic compounds. The use of such composites in many applications often requires characterisation of performance over a range of temperatures. This paper presents a study on the measurements of the interfacial adhesion of coir fibre with various polyolefin matrices at room temperature. We then present a novel adaptation of a dynamical mechanical analyser to enable the measurement of interfacial shear strength over the temperature range of −40°C to 120°C. Results from these measurements are presented and discussed in terms of the relationship of apparent IFSS to residual thermal stresses in such thermoplastic composites.
Original languageEnglish
Number of pages23
JournalComposite Interfaces
Early online date28 Apr 2021
DOIs
Publication statusE-pub ahead of print - 28 Apr 2021

Keywords

  • natural fibres
  • interface/interphase
  • thermoplastic composites
  • interfacial shear strength

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