Integrated Detector Technology for Corrosion Inspection
Final rept. 1 Jun 1999-28 Feb 2000
ADVANCED RESEARCH AND APPLICATIONS CORPSUNNYVALE CA
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This project investigated the use of gas micro-strip detectors as a means of improving the throughput of an innovative technique for detecting hidden corrosion in aging aircraft. The evaluations included the development of system, detector and data-readout concepts capable of meeting the resolution and throughput goals for this instrument, and the modeling and computation of x-ray and electron interactions in the detector. The results of this evaluation indicate that these detectors can be adapted to this application and can achieve the spatial resolution and count rates required to support a system throughput up to 25 mhr for detection of 5 corrosion in lap joints. This throughput, nearly two orders-of-magnitude faster than the existing demonstration system, is sufficient to support the use of this instrument as a practical adjunct to existing technologies. The next step in development would be the fabrication of this detector and the demonstration that the sensitivity and throughput targets can be achieved in a demonstration system.
- Nuclear Physics and Elementary Particle Physics