Reflection shearography for nondestructive evaluation

Russell M. Kurtz; Michael A. Piliavin; Ranjit D. Pradhan; Tin M. Aye; Gajendra D. Savant; Tomasz P. Jannson; Steffen Hergert

doi:10.1117/12.543840

2 September 2004 Reflection shearography for nondestructive evaluation

Russell M. Kurtz, Michael A. Piliavin, Ranjit D. Pradhan, Tin M. Aye, Gajendra D. Savant, Tomasz P. Jannson, Steffen Hergert

Author Affiliations +

Proceedings Volume 5422, Unmanned Ground Vehicle Technology VI; (2004) https://doi.org/10.1117/12.543840
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Conventional nondestructive evaluation (NDE) techniques include visual inspection, eddy current scanning, ultrasonics, and fluorescent dye penetration. These techniques are limited to local evaluation, often miss small buried defects, and are useful only on polished surfaces. Advanced NDE techniques include laser ultrasonics, holographic interferometry, structural integrity monitoring, shearography, and thermography. A variation of shearography, employing reflective shearographic interferometry, has been developed. This new shearographic interferometer is discussed, together with models to optimize its performance and experiments demonstrating its use in NDE.

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Russell M. Kurtz, Michael A. Piliavin, Ranjit D. Pradhan, Tin M. Aye, Gajendra D. Savant, Tomasz P. Jannson, and Steffen Hergert "Reflection shearography for nondestructive evaluation", Proc. SPIE 5422, Unmanned Ground Vehicle Technology VI, (2 September 2004); https://doi.org/10.1117/12.543840

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