Yield behaviour of renewable biocomposites of dimer fatty acid-based polyamides with cellulose fibres

Elodie Hablot, Rodrigue Matadi, Said Ahzi, Regis Vaudemond, David Ruch, Luc Avérous

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The yield behaviour of dimer acid-based polyamides (DAPA) and DAPA reinforced with cellulose fibres (CF) was examined in this study. Both dynamic mechanical analysis (DMA) and tensile tests were used to follow the effect of strain rate or frequency, temperature and filler content on the transitions temperatures, the storage modulus and the yield stresses. The DMA results show that the storage modulus increases with increasing CF concentration. The tensile tests reveal that the yield stress is strain rate, temperature and CF concentration sensitive. Both activation enthalpy and activation volume calculated by the Eyring's model reveal a slight increase of activation energy with increasing filler content and a decrease of the activation volume. A micromechanically-model was used to predict the yield stress of both DAPA and DAPA/cellulose composites. The model predictions of the yield stress are in good agreement with the experimental data.

Original languageEnglish
Pages (from-to)525-529
Number of pages5
JournalComposites Science and Technology
Volume70
Issue number3
DOIs
Publication statusPublished - Mar 2010
Externally publishedYes

Fingerprint

Nylons
Polyamides
Fatty acids
Cellulose
Dimers
Yield stress
Fatty Acids
Acids
Fibers
Chemical activation
Dynamic mechanical analysis
Fillers
Strain rate
Elastic moduli
Superconducting transition temperature
Enthalpy
Activation energy
Temperature
Composite materials

Keywords

  • A. Short-fibre composites
  • C. Mechanical properties
  • C. Modelling
  • Cooperative model of Richeton

ASJC Scopus subject areas

  • Engineering(all)
  • Ceramics and Composites

Cite this

Yield behaviour of renewable biocomposites of dimer fatty acid-based polyamides with cellulose fibres. / Hablot, Elodie; Matadi, Rodrigue; Ahzi, Said; Vaudemond, Regis; Ruch, David; Avérous, Luc.

In: Composites Science and Technology, Vol. 70, No. 3, 03.2010, p. 525-529.

Research output: Contribution to journalArticle

Hablot, Elodie ; Matadi, Rodrigue ; Ahzi, Said ; Vaudemond, Regis ; Ruch, David ; Avérous, Luc. / Yield behaviour of renewable biocomposites of dimer fatty acid-based polyamides with cellulose fibres. In: Composites Science and Technology. 2010 ; Vol. 70, No. 3. pp. 525-529.
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