Research on Dry Coupling Technology in the Ultrasonic Non-Destructive Testing of Concrete
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| Veröffentlicht in: | Micromachines vol. 16, no. 1 (2025), p. 72 |
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MDPI AG
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| Online-Zugang: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 100 | 1 | |a Li, Jun |u College of Mechanical & Electrical Engineering, Central South University, Changsha 410083, China; <email>lijun202501@163.com</email>; China Railway 11th Bureau Group Co., Ltd., Wuhan 272199, China | |
| 245 | 1 | |a Research on Dry Coupling Technology in the Ultrasonic Non-Destructive Testing of Concrete | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a In the health monitoring and safety assessments of concrete structures, ultrasonic non-destructive testing (NDT) technology has become an indispensable tool due to its non-destructive nature, efficiency, and precision. However, when used in inspecting irregular concrete surfaces, traditional planar ultrasonic transducers often encounter energy loss and signal attenuation induced by poor interface coupling, which significantly reduces the accuracy and reliability of the test results. 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. | |
| 653 | |a Simulation | ||
| 653 | |a Accuracy | ||
| 653 | |a Transducers | ||
| 653 | |a Nondestructive testing | ||
| 653 | |a Ultrasonic transducers | ||
| 653 | |a Concrete | ||
| 653 | |a Concrete structures | ||
| 653 | |a Signal processing | ||
| 653 | |a Algorithms | ||
| 653 | |a Boundary conditions | ||
| 653 | |a Couplants | ||
| 653 | |a Ultrasonic attenuation | ||
| 653 | |a Vibration | ||
| 653 | |a Efficiency | ||
| 653 | |a Signal to noise ratio | ||
| 653 | |a Coupling | ||
| 700 | 1 | |a Chen, Zeyu |u College of Mechanical & Electrical Engineering, Central South University, Changsha 410083, China; <email>lijun202501@163.com</email> | |
| 773 | 0 | |t Micromachines |g vol. 16, no. 1 (2025), p. 72 | |
| 786 | 0 | |d ProQuest |t Engineering Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3159553706/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3159553706/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3159553706/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |