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Artifact Correction for DVC Measurements Using a Laboratory X‐Ray Source

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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https://hal.archives-ouvertes.fr/hal-01668877
Contributor : Jérôme Adrien <>
Submitted on : Wednesday, December 20, 2017 - 12:55:13 PM
Last modification on : Monday, March 29, 2021 - 9:08:01 AM

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J Adrien, Jean-Yves Buffiere, F Hild, N Limodin, Julien Réthoré, et al.. Artifact Correction for DVC Measurements Using a Laboratory X‐Ray Source. 2012 Annual Conference on Experimental and Applied Mechanics, 2012, Costa Mesa, United States. pp.217-220, ⟨10.1007/978-1-4614-4235-6_30⟩. ⟨hal-01668877⟩

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