A medium or substance, often a gel, oil, or water-based solution, used to facilitate the transmission of ultrasonic waves between a transducer and the surface or interface of a test object, ensuring efficient energy transfer and wave propagation.
A medium or substance, often a gel, oil, or water-based solution, used to facilitate the transmission of ultrasonic waves between a transducer and the surface or interface of a test object, ensuring efficient energy transfer and wave propagation.
