Quantitative Multi-Inspection-Site Comparison of Probability of Detection for Vibrothermography Nondestructive Evaluation Data

Date
2011-02-01
Authors
Holland, Stephen
Li, Ming
Holland, Stephen
Meeker, William
Meeker, William
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Altmetrics
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Statistics
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Statistics
Abstract

This paper describes the estimation of probability of detection (POD) for a vibrothermography inspection procedure. The results are based on a large scale experiment on specimens with two different kinds of metal containing fatigue cracks. The specimens were tested independently at three inspection sites: Iowa State University (ISU), Pratt and Whitney (PW) and General Electric (GE). Despite the substantially different vibrothermography configurations and experimental measurement responses, the estimated PODs as function of crack length and dynamic stress were similar for all three inspection sites, which make quantitative POD comparisons possible across different inspection sites.

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This preprint was published as Ming Li, Stephen D. Holland & William Q. Meeker, "Quantitative Multi-Inspection-Site Comparison of Probability of Detection for Vibrothermography Nondestructive Evaluation Data", Journal of Nondestructive Evaluation (2011): 172-178, doi: 10.1007/s10921-011-0105-9.

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