POD Assessment Using Real Aircraft Engine Components
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
The economic drive towards using military aircraft beyond their initial design life has created a great interest in damage-tolerance (DT) based maintenance philosophy. The DT approach relies on routine nondestructive inspections (NDI) and requires the NDI performance to be quantified in terms of probability of detection (POD). From the POD-flaw size relationship, the detection limit of inspection techniques, in terms of flaw size, is established and then used to calculate safe inspection interval [1].