Transverse fastening reinforcement of sandwich panels with upcycled bottle caps core

Pablo Resende Oliveira, Leandro José da Silva, Tlio Hallak Panzera*, Gilberto Garcia Del Pino, Fabrizio L Scarpa

*Corresponding author for this work

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

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This work describes the use of transverse reinforcement in eco-friendly sandwich panels made from aluminium skins and a core of upcycled bottle caps. The Design of Experiments technique identifies the effect of the position of the metal rivets on the panel. The results show a moderate increase in strength and a significant enhancement of the sandwich panel stiffness when the rivets are placed on the upper skin, with a remarkable improvement in terms of the core shear modulus. The use of metal rivets has also increased the specific mechanical strength and stiffness of the panels, which highlights the effectiveness of the transverse reinforcement in bottle caps panels.
Original languageEnglish
Number of pages9
JournalJournal of Composite Materials
Early online date26 Sep 2020
Publication statusE-pub ahead of print - 26 Sep 2020


  • sandwich composite
  • transverse fastening
  • tubular honeycomb
  • bottle caps waste
  • design of experiment (DoE)

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