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Thermal waves for NDE of aircraft: comparison of lockin thermography and lockin interferometry
Quantitative InfraRed Thermography Journal
Optically and ultrasonic excited lockin thermography have been set in contrast with lockin shearography theoretically and experimentally. Investigated criteria are the differences in depth range, defect selectivity and the comparison of thermal and mechanical response using the example of model specimens and real large scale aircraft components. An approach for the application of data fusion for defect classification through combination of thermography and shearography phase angle imagesdoi:10.1080/17686733.2013.767016 fatcat:aoxnpxf6p5aizoipnnwyijwvge