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

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Mechanics of Biological Systems and Materials, Volume 5

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.

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Acknowledgements

The Agence Nationale pour la Recherche is acknowledged for its financial support (ANR-10-ECOT-004 grant). Mr. Pierre CONCHON (INRA) is also gratefully acknowledged for his help during the microstructure observation.

Author information

Authors and Affiliations

  1. Institut Pascal, Clermont Université, Université Blaise Pascal, 10448, F-63000, Clermont-Ferrand, France

    S. Sun, Evelyne Toussaint & M. Grédiac

  2. CNRS, UMR6620, Institut Pascal, Aubière Cedex, 63177, France

    S. Sun, Evelyne Toussaint & M. Grédiac

  3. IRSTEA, Laboratoire de l’Ingénierie pour les Systèmes Complexes, Campus des Cézeaux, 24, avenue des Landais, 50085, F-63000, Clermont-Ferrand, France

    J. D. Mathias

  4. IRSTEA, Laboratoire de l’Ingénierie pour les Systèmes Complexes, Aubière Cedex, 63172, France

    J. D. Mathias

Authors
  1. S. Sun
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  2. J. D. Mathias
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  3. Evelyne Toussaint
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  4. M. Grédiac
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Editor information

Editors and Affiliations

  1. Auburn University, Alabama, Auburn, 36849-5341, USA

    Barton C. Prorok

  2. McGill University, Montreal, H4B 2R3, Canada

    François Barthelat

  3. State University of New York, State University of New York, Stony Brook, 11794, USA

    Chad S. Korach

  4. Rice University, Houston, 77251-1892, USA

    K. Jane Grande-Allen

  5. Auburn University, Auburn, 36849-5127, USA

    Elizabeth Lipke

  6. University of Connecticut, Storrs, 06269-3088, USA

    George Lykofatitits

  7. Purdue University, West Lafayette, 47907-2051, USA

    Pablo Zavattieri

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© 2013 The Society for Experimental Mechanics, Inc.

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Sun, S., Mathias, J.D., Toussaint, E., Grédiac, M. (2013). Characterization of the Mechanical Behavior of Sunflower Stem for Bio-composite Applications. In: Prorok, B., et al. Mechanics of Biological Systems and Materials, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4427-5_2

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  • DOI: https://doi.org/10.1007/978-1-4614-4427-5_2

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-4426-8

  • Online ISBN: 978-1-4614-4427-5

  • eBook Packages: EngineeringEngineering (R0)

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