An Update on Automatic Positioning, Inspection, and Signal Processing Techniques in the RFC/NDE Inspection System
Scallop Centering — development of an automatic scallop centering routine makes scallop inspections reliable.
Soft Survey Mode — improvements have been made for fast peak detection.
Method 2 Select Mode — a fine flaw detection technique based on the acquired waveform.
Antirotation Window Inspection — a frequency select mode has been established for detecting flaws in antirotation windows.
Scaling of Flaw Depth — a scaling factor has been developed, based on Phase I Reliability Test data, which converts flaw signal amplitude into estimated flaw depth.
KeywordsInspection System Survey Mode Flaw Depth Fast Fourier Trans Eddy Current Probe
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- 1.Wally Hoppe and Dave Stubbs, “Automatic Eddy Current Inspection of Antirotation Windows in F100 Engine Compressor Air Seals”, in Review of Progress in Quantitative Nondestructive Evaluation, 4, D. O. Thompson and D. E. Chimenti, eds., (Plenum Press, New York, 1985 ).Google Scholar