Artificial disbonds for calibration of transient thermography inspection of thermal barrier coating systems
Ptaszek, G., Cawley, P., Almond, D. and Pickering, S., 2012. Artificial disbonds for calibration of transient thermography inspection of thermal barrier coating systems. AIP Conference Proceedings, 1430, pp. 491-498.
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Transient thermography is commonly used for the detection of disbonds in thermal barrier coatings (TBC). As for other NDT techniques, reference test specimens are required for calibration, but unfortunately, real disbonds are very difficult to use because it is difficult to control their size, and larger ones tend to spall. Flat bottomed holes are commonly used, but these over-estimate the thermal contrast obtained for a defect of a given diameter. This paper quantifies the difference, and proposes an artificial disbond.
|Creators||Ptaszek, G., Cawley, P., Almond, D. and Pickering, S.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
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