Abstract
The effects of temperature elevation of the X-ray tube of a lab tomograph during image acquisition are analyzed in terms of their induced biases for Digital Volume Correlation (DVC) from a series of reconstructed volumes acquired successively. Spurious dilatational strains are induced by temperature variations in the tomograph. If not accounted for, any quantitative kinematic measurement is impossible for strain levels below 0.5%. When corrected, it is possible to determine the elastic parameters of nodular graphite cast iron.
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This work was funded under the grant ANR-09-BLAN-0009-01 (RUPXCUBE Project).
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© 2013 The Society for Experimental Mechanics, Inc.
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Adrien, J., Buffière, JY., Hild, F., Limodin, N., Réthoré, J., Roux, S. (2013). Artifact Correction for DVC Measurements Using a Laboratory X-Ray Source. In: Jin, H., Sciammarella, C., Furlong, C., Yoshida, S. (eds) Imaging Methods for Novel Materials and Challenging Applications, Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4235-6_30
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DOI: https://doi.org/10.1007/978-1-4614-4235-6_30
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