Abstract
Full-field axial deformation within molten-salt batteries was measured using x-ray imaging with a sampling moiré technique. This method worked for in situ testing of the batteries because of the inherent grid pattern of the battery layers when imaged with x-rays. High-speed x-ray imaging acquired movies of the layer deformation during battery activation. Numerical validation of the technique, as implemented in this paper, was done using synthetic and numerically shifted images. Typical results of a battery are shown for one test. Ongoing work on validation and more test results are in progress.
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Acknowledgements
The authors would like to thank Steven Showalter and David Ingersoll for providing the batteries and Joe Garney and Kyle Thompson for helping with the experiment.
Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under contract DE-AC04-94AL85000.
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© 2015 The Society for Experimental Mechanics, Inc.
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Reu, P.L., Quintana, E., Long, K. (2015). Using Sampling Moiré to Extract Displacement Information from X-Ray Images of Molten Salt Batteries. In: Jin, H., Sciammarella, C., Yoshida, S., Lamberti, L. (eds) Advancement of Optical Methods in Experimental Mechanics, Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-06986-9_38
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DOI: https://doi.org/10.1007/978-3-319-06986-9_38
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