Journal
NDT & E INTERNATIONAL
Volume 93, Issue -, Pages 86-97Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ndteint.2017.10.001
Keywords
NDT; Reliability; Thermography; Impact damage assessment; Composite
Funding
- UK EPSRC Platform Grant: Through life performance: From science to instrumentation [EP/P027121/1]
- Engineering and Physical Sciences Research Council [EP/I033246/1, EP/P027121/1] Funding Source: researchfish
- EPSRC [EP/I033246/1, EP/P027121/1] Funding Source: UKRI
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In the context of non-destructive testing, quantification of uncertainty caused by various factors such as inspection technique, testing environment and the operator is important and challenge. This paper introduces a concept of contour-based confidence map and an application framework for pulsed thermography that offers enhanced flexibility and reliability of inspection. This approach has been successfully applied to detect three flat-bottom holes of diameter 32, 16 and 8 mm drilled onto a 5 mm thick aluminium plate with a high accuracy of damage detection (R > 0.97). Its suitability and effectiveness in assessing impact damage occurring in composites have also been demonstrated.
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