Multimodal algorithm-optimized chirped ultrasound thermography for enhanced quantitative detection of metal fatigue cracks
Rongcheng Li, Fei Wang, Yunyan Liu, Feng Yang, Stefano Sfarra, Lixia Liu, Yaodong Yang, V.S. Ghali, G.T. Vesala, R. Mulaveesala, Honghao Yue, Junyan Liu
Topics & Concepts
ThermographyMaterials scienceChirpSizingAcousticsNondestructive testingFast Fourier transformPhase (matter)ThermalUltrasonic sensorExcitationStructural engineeringPhase modulationUltrasoundModulation (music)Feature extractionFrequency domainFeature (linguistics)Fourier transformExtraction (chemistry)Frequency modulationInfraredOpticsVibrationPhase angle (astronomy)Finite element methodThermography and Photoacoustic TechniquesUltrasonics and Acoustic Wave PropagationStructural Health Monitoring Techniques