Abstract
We observed deformations of several materials during cooling down process from room temperature to liquid nitrogen temperature using the laser speckle photography method. The in-plane displacements were measured by the image plane speckle photography and the out-of-plane displacement gradients by the defocused speckle photography. The results of measurements of in-plane displacement are compared with those of FEM analysis. The applicability of laser speckle photography method to cryogenic engineering will also be discussed.
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© 1992 Springer Science+Business Media New York
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Nakahara, S., Maeda, Y., Matsumura, K., Hisada, S., Fujita, T., Sugihara, K. (1992). Deformation Measurements of Materials at Low Temperatures Using Laser Speckle Photography Method. In: Fickett, F.R., Reed, R.P. (eds) Materials. Advances in Cryogenic Engineering, vol 38. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9050-4_11
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DOI: https://doi.org/10.1007/978-1-4757-9050-4_11
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9052-8
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