The performance of flax reinforced composites for wireless and sport applications: natural additives and sandwich concepts

Pauli Hakala, Farzin Javanshour, Juha Jordan, Päivi Laaksonen, Lauri Jutila, Jan Järveläinen, Mikko Kanerva

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

In this study, flax reinforced composites are studied for their long-term performance in terms of electromagnetic signal attenuation and mechanical performance. The use of flax fibres and rosin are studied for applications of natural fibre reinforced composites with antimicrobial features. The thermoplastic matrix used is polylactic acid (PLA) and the thermoset matrix used is a partly biobased epoxy. Laminates are prepared for accelerated algae growth (AG) studies (42 days, Klebsormidium flaccidum) and rain-ultraviolet (340 nm, rain, 18 days) ageing conditioning. The signal attenuation at the range of ultra-high frequencies (2.5 GHz) is measured using the splitdisk dielectric resonator (SPDR) method. The results indicate that the flax reinforcement is the main source of degradation whether attenuation or mechanical performance is considered.

Original languageEnglish
Title of host publicationProceedings of the 20th European Conference on Composite Materials
Subtitle of host publicationComposites Meet Sustainability
EditorsAnastasios P. Vassilopoulos, Veronique Michaud
Pages539-546
Number of pages8
Volume5
ISBN (Electronic)978-2-9701614-0-0
DOIs
Publication statusPublished - 2022
Publication typeA4 Article in conference proceedings
EventEuropean Conference on Composite Materials - Lausanne, Switzerland
Duration: 26 Jun 202230 Jun 2022

Conference

ConferenceEuropean Conference on Composite Materials
Country/TerritorySwitzerland
CityLausanne
Period26/06/2230/06/22

Keywords

  • algae
  • flax
  • pine rosin
  • signal attenuation
  • soil burial

Publication forum classification

  • Publication forum level 0

ASJC Scopus subject areas

  • Ceramics and Composites

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