Characterization of the Mechanical Behavior of Sunflower Stem for Bio-composite Applications

  • S. Sun
  • J. D. Mathias
  • Evelyne Toussaint
  • M. Grédiac
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

The aim of this study is to investigate the mechanical properties of sunflower stems. Sunflower stems have two parts: the bark and the pith. Since the mechanical properties of the bark and those of the pith are different, separate mechanical tests were performed. The influence of both the moisture content and of the location of the specimens along the stem was studied. An increase of moisture content of bark and pith was found to reduce their Young’s modulus. The Young’s modulus increases with the location of the specimen along the stem.

Keywords

Sunflower stems Mechanical properties Morphologies Specimen location 

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Copyright information

© The Society for Experimental Mechanics, Inc. 2013

Authors and Affiliations

  • S. Sun
    • 1
    • 2
  • J. D. Mathias
    • 3
    • 4
  • Evelyne Toussaint
    • 1
    • 2
  • M. Grédiac
    • 1
    • 2
  1. 1.Institut Pascal, Clermont Université, Université Blaise PascalClermont-FerrandFrance
  2. 2.CNRS, UMR6620, Institut PascalAubière CedexFrance
  3. 3.IRSTEA, Laboratoire de l’Ingénierie pour les Systèmes ComplexesClermont-FerrandFrance
  4. 4.IRSTEA, Laboratoire de l’Ingénierie pour les Systèmes ComplexesAubière CedexFrance

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