Ultrasonic motion scanning method based on flexible microchannel array

Le résumé fourni par la source

Abstract Immersion ultrasound scanning faces limitations in specific detection scenarios, such as those involving moving workpieces or highly intricate surfaces. This issue is particularly pronounced when workpieces exhibit relative motion, resulting in significant signal decay. To address this challenge, an ultrasonic motion scanning method based on a flexible microchannel array is proposed in this paper. This innovative method utilizes a flexible microchannel array as the coupling medium. Initially, the principle of water column formation within the arrays is examined. Subsequently, various shapes and sizes of arrays are meticulously analyzed. Finally, the behavior of the detection signal of the probe in motion is investigated. It is demonstrated that stable detection results can be achieved even while the ultrasound probe is in motion.

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