Browsing by Author "Moore, Andrew J."

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Non-destructive thickness measurement of thermal barrier coatings using terahertz radiation

Isern, Luis; Waddie, Andrew J.; Chalk, Christine; Moore, Andrew J.; Nicholls, John R. (Springer, 2021-08-06)

A non-destructive thickness measurement technique based on terahertz (THz) reflectivity was successfully deployed to interrogate 7 wt.% yttria-stabilised zirconia thermal barrier coatings (TBCs) produced by electron-beam ...
Terahertz optical thickness and birefringence measurement for thermal barrier coating defect location

Waddie, Andrew J.; Schemmel, Peter J.; Chalk, Christine; Isern, Luis; Nicholls, John R.; Moore, Andrew J. (Optical Society of America, 2020-10-06)

We present a normal incidence terahertz reflectivity technique to determine the optical thickness and birefringence of yttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs). Initial verification of the method ...

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