Materials pp 85-92 | Cite as

Deformation Measurements of Materials at Low Temperatures Using Laser Speckle Photography Method

  • Sumio Nakahara
  • Yukihide Maeda
  • Kazunori Matsumura
  • Shigeyoshi Hisada
  • Takeyoshi Fujita
  • Kiyoshi Sugihara
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 38)

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.

Keywords

Thermal Contraction Photographic Film Alumina Ceramic Electronic Speckle Pattern Interferometry Speckle Interferometry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Sumio Nakahara
    • 1
  • Yukihide Maeda
    • 2
  • Kazunori Matsumura
    • 2
  • Shigeyoshi Hisada
    • 1
  • Takeyoshi Fujita
    • 1
  • Kiyoshi Sugihara
    • 1
  1. 1.Department of Mechanical EngineeringKansai UniversitySuita, Osaka 564Japan
  2. 2.Graduate Student of Mechanical EngineeringKansai UniversitySuita, Osaka 564Japan

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