Novel fibre metal laminate sandwich composite structure with sisal woven core

Luciano Machado Gomes Vieira, Júlio Cesar dos Santos, Túlio Hallak Panzera, Juan Carlos Campos Rubio, Fabrizio Scarpa

Research output: Contribution to journalArticle (Academic Journal)peer-review

44 Citations (Scopus)
418 Downloads (Pure)


Fibre metal laminates (FMLs) have been widely used to manufacture airframe components. This work describes novel sisal fibre reinforced aluminium laminates (SiRALs) that have been prepared by cold pressing techniques and tested under tensile, flexural and impact loading. The pristine sisal fabric and the sisal fibre reinforced composites (SFRCs) were also tested to understand the difference in mechanical performance of the sisal fibre metal laminates. The SiRALs achieved not only the highest modulus and strength, but also the highest specific properties. The mean specific tensile strength and modulus of the SIRALs reached increases of 132% and 267%, respectively, when compared to the sisal fibre reinforced composites (SFRCs). Moreover, the mean specific flexural strength and modulus of the SiRALs were significantly higher than SFRCs, revealing increases of 430% and 973%, respectively. A delamination fracture mode was noted for SiRALs under bending testing. The SiRALs can be considered promising and sustainable composite materials for structural and multifunctional applications.
Original languageEnglish
Pages (from-to)189-195
Number of pages11
JournalIndustrial Crops and Products
Early online date10 Feb 2017
Publication statusPublished - May 2017


  • Fibre Metal Laminates
  • Sisal fibres
  • Mechanical properties
  • Fracture
  • Composite


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