Quantitative infrared defect detection in composite aerospace structures
Quantitative infrared defect detection in composite aerospace structures
- New search for: Shepard, S.
- New search for: Ducar, R.J.
- New search for: Shepard, S.
- New search for: Ducar, R.J.
Pulsed Thermography is gaining increased acceptance as an inspection tool for manufacture, maintenance and repair of composite structures. For many applications, it offers significant advantages in speed and cost compared to traditional methods, and does not require immersion or contact with the sample. Although early attempts to implement thermography solutions were qualitative and required subjective interpretation of images by the inspector, new methods have been developed that allow automated detection of subsurface defects without intervention by the operator. These methods allow measurement of defect depth as well as area, and can be applied to voids, delaminations, or variations in wall thickness. Qualitative models for system response have also been developed that allow determination of critical defect size at a particular depth without extensive trial and error testing. Comparison of modeled and experimental behavior, as well as automated defect detection and measurement will be presented on isotropic samples.
Document information
Quantitative infrared defect detection in composite aerospace structures
Quantitativer Infrarot-Fehlernachweis in Verbundwerkstoff-Luftfahrtstrukturen
2000
9 Seiten, 8 Quellen
Conference paper
English
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