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    Research on Dry Coupling Technology in the Ultrasonic Non-Destructive Testing of Concrete by Jun Li, Zeyu Chen

    Published 2025-01-01
    “…To address this problem, this article proposes a point-contact dry coupling ultrasonic transducer solution, which enables efficient acquisition of ultrasonic signals within concrete without the need for couplants. By combining an array imaging system with a total focusing algorithm, this study not only significantly enhances the convenience and signal-to-noise ratio (SNR) of concrete ultrasonic imaging, but also opens new pathways for ultrasonic NDT technology in concrete.…”
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