Shearography system for the testing of large-scale aircraft components taking into account noncooperative surfaces

Wolfgang Osten; Michael K. Kalms; Werner P. O. Jueptner; Gustav Tober; Wolfgang Bisle; Dieter Scherling

doi:10.1117/12.498440

7 March 2006 Shearography system for the testing of large-scale aircraft components taking into account noncooperative surfaces

Wolfgang Osten, Michael K. Kalms, Werner P. O. Jueptner, Gustav Tober, Wolfgang Bisle, Dieter Scherling

Author Affiliations +

Proceedings Volume 4101, Laser Interferometry X: Techniques and Analysis; (2006) https://doi.org/10.1117/12.498440
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Shearography is an approved and powerful tool for the nondestructive inspection of industrial components with respect to material faults and technical imperfections. An application field of high interest is the in-service inspection of aircraft components. However, the non-cooperative character of the surface of various aircraft components to be inspected has to be taken into account carefully. This paper describes a complete test facility consisting of a shearographic sensor, adapted loading equipment for thermal and mechanical stressing and a new evaluation software ensuring a high sensitivity for fault detection. Furtheron a survey of the performance of the system is given on example of different aircraft components that shows the advantages of shearography in comparison with other inspection techniques, such as ultrasonics and thermography.

Citation Download Citation

Wolfgang Osten, Michael K. Kalms, Werner P. O. Jueptner, Gustav Tober, Wolfgang Bisle, and Dieter Scherling "Shearography system for the testing of large-scale aircraft components taking into account noncooperative surfaces", Proc. SPIE 4101, Laser Interferometry X: Techniques and Analysis, (7 March 2006); https://doi.org/10.1117/12.498440

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