Abstract
X-ray computed microtomography(XCMT) is increasingly being used to visualize the complete microstructure of various materials.Ons of its main advantages lies in the non-destructive way of optaining three-dimensional (3D) views of various materials. By analyzing 3D re constructured picturs, one has access,for instance,to the structure of biological or cellular naterials. and sometime to the way deform by using in Situ experiments analyzed by 3D Correlation materials, and sometimes to the way they deform by using in situ experiments analyzed by 3D correlation algorithms. In the present study, the reconstructed scans themselves are used to evaluate full displacement fields. The aim of present paper is to analyze a compression test on a stone wool sample by using XCMT performed with a lab tomograph to understand the way in which these materials deform internally .The standardized mechanical performanse of these materials refers to astrain level well above the “elastic”limit.In that casethe strain field appears to be generically non-uniform) and it is important to characterize the regions consentrations strains. and Possibly to be stress (and thus performance) limiting.full 3D strain maps and morphology are therefore extremely valuable. A finite-elemant bades=d approach to volume correlation [1] is used to measure displacement and evaluate dtrain fields during a compression test on stone wool. yhe studied material,the experimental configuration and the imaging system are Presented.the experimental results are finaly analyzed and discussed.
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References
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Hild F, Maire E, Rous S, and Witz JF. Acta Materialia (2009) 57, 3310.
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© 2013 The Society for Experimental Mechanics, Inc.
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Maire, E., Adrien, J., Hild, F., Roux, S., Witz, JF. (2013). Digital X-ray tomography Volume Correlation of Rock Wool During Compression. In: Proulx, T. (eds) Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9796-8_40
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DOI: https://doi.org/10.1007/978-1-4419-9796-8_40
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