Monitoring A Hydride Blister Using Speckle Interferometry

David L. Mader

doi:10.1117/12.962749

25 April 1990 Monitoring A Hydride Blister Using Speckle Interferometry

David L. Mader

Proceedings Volume 1162, Laser Interferometry: Quantitative Analysis of Interferograms: Third in a Series; (1990) https://doi.org/10.1117/12.962749
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Speckle interferometry has been used to monitor the change of strain in a hydride blister in a specimen of zirconium pressure tubing used in a nuclear power reactor. The change of in-plane strain due to migration of hydrogen in the heated sample was observed through use of two illumination beams. Day-to-day speckle interferograms were obtained using a computer to control the relative optical phase of the two beams. Good qualitative agreement was found between strain measured in this work and that predicted by a metallurgical model.

Citation Download Citation

David L. Mader "Monitoring A Hydride Blister Using Speckle Interferometry", Proc. SPIE 1162, Laser Interferometry: Quantitative Analysis of Interferograms: Third in a Series, (25 April 1990); https://doi.org/10.1117/12.962749

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