Evaluating laser shearography for nondestructive testing at the Kennedy Space Center

Lisa Bird

doi:10.1117/12.198672

4 January 1995 Evaluating laser shearography for nondestructive testing at the Kennedy Space Center

Lisa Bird

Proceedings Volume 2349, Industrial Optical Sensors for Metrology and Inspection; (1995) https://doi.org/10.1117/12.198672
Event: Photonics for Industrial Applications, 1994, Boston, MA, United States

Abstract

The flight hardware in use for the Space Shuttle program is one of a kind equipment and therefore very costly. With safety as the number one concern, and quality following a close second, new and better ways to do nondestructive testing on flight hardware are always being sought. Research on laser shearography turned up a promising test method, and equipment was purchased. During the summer of 1994, the equipment was evaluated for use on various components and the equipment itself was checked out for reliability and ease of use. Work to date has shown that the equipment is difficult to use, but the staff feels that once the training hurdle is done, the equipment has great potential. A few of the areas where the equipment could be used are the external tank, the solid rocket boosters, and structural components of the orbiter itself. The primary goal is to use the equipment to test for debonds, and the secondary goal is to see if the equipment can detect corrosion.

Citation Download Citation

Lisa Bird "Evaluating laser shearography for nondestructive testing at the Kennedy Space Center", Proc. SPIE 2349, Industrial Optical Sensors for Metrology and Inspection, (4 January 1995); https://doi.org/10.1117/12.198672

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