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Experimental Fracture Analysis of Tropical Species Using the Grid Method

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Fracture, Fatigue, Failure and Damage Evolution, Volume 8

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Abstract

The fracture processes of three tropical species: Aucoumea klaineana, Malicia excelsa and Pterocarpus soyauxii, are investigated with the grid method. These species are widely used in many sub-tropical countries, in timber building construction, as well as in semi-finished products and paper fabrication. However their fracture behaviour must still be investigated, data being scarcely available on this subject. Modified Mixed Mode Crack Growth specimens are used in order to obtain a stable crack growth evolution in opening, shear and mixed mode ratios. The images of the grid are analysed to provide the crack opening displacement and the crack tip location. The stress intensity factors and the critical energy release rates for each species are then obtained by using the compliance method in imposed displacement. The semi-experimental energetic method is also applied in order to show the efficiency of the proposed technique to characterize the fracture properties of the tropical species under study.

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Author information

Authors and Affiliations

  1. Université des Sciences et Techniques de Masuku, Ecole Polytechnique de Masuku, BP 901, Franceville, Gabon

    Bernard Odounga

  2. Université Clermont Auvergne, Université Blaise Pascal, Institut Pascal, BP 20206, F-63000, Clermont-Ferrand, France

    Bernard Odounga, Rostand Moutou Pitti, Evelyne Toussaint & Michel Grediac

  3. CNRS, UMR 6602, Institut Pascal, F-63171, Aubiere, France

    Bernard Odounga, Rostand Moutou Pitti, Evelyne Toussaint & Michel Grediac

  4. CENAREST, IRT, 14070, Libreville, Gabon

    Rostand Moutou Pitti

Authors
  1. Bernard Odounga
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  2. Rostand Moutou Pitti
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  3. Evelyne Toussaint
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  4. Michel Grediac
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Corresponding author

Correspondence to Rostand Moutou Pitti .

Editor information

Editors and Affiliations

  1. Cornell University, Ithaca, New York, USA

    Alan T. Zehnder

  2. Sandia National Laboratories, Albuquerque, New Mexico, USA

    Jay Carroll

  3. John Hopkins University, Baltimore, Maryland, USA

    Kavan Hazeli

  4. School of Engineering, University of Liverpool, Liverpool, United Kingdom

    Ryan B. Berke

  5. Department of Mechanical Engineering, Clemson University, Clemson, South Carolina, USA

    Garrett Pataky

  6. Department of Mechanical Engineering, University of North Dakota, Grand Forks, North Dakota, USA

    Matthew Cavalli

  7. Pennsylvania State University, State College, Pennsylvania, USA

    Alison M. Beese

  8. Georgia Institute of Technology, Atlanta, Georgia, USA

    Shuman Xia

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© 2017 The Society for Experimental Mechanics, Inc.

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Odounga, B., Pitti, R.M., Toussaint, E., Grediac, M. (2017). Experimental Fracture Analysis of Tropical Species Using the Grid Method. In: Zehnder, A., et al. Fracture, Fatigue, Failure and Damage Evolution, Volume 8. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-42195-7_2

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  • DOI: https://doi.org/10.1007/978-3-319-42195-7_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-42194-0

  • Online ISBN: 978-3-319-42195-7

  • eBook Packages: EngineeringEngineering (R0)

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