Results 21 to 30 of about 2,753 (259)
Near-field ultrasonic phased array theory is researched and utilized in the carbon-fiber wing box to identify the damage in the structure. Near-field ultrasonic phased array based structural health monitoring is researched to overcome the limitation of ...
Yajie Sun +3 more
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Ultrasonic Well Integrity Logging Using Phased Array Technology
Abstract Ultrasonic well integrity logging is an important and common procedure for well completion and plug-and-abandonment operations. Typical logging tools employ single-element ultrasound transducers. In medical ultrasound imaging, however, more flexible phased arrays are the standard.
Johansen, Tonni Franke +4 more
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The use of pulse-compression in ultrasonic non-destructive testing has assured, in various applications, a significant improvement in the signal-to-noise ratio.
Muhammad Khalid Rizwan +4 more
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Phased Array Beamforming Methods for Powering Biomedical Ultrasonic Implants
Millimeter-scale implants using ultrasound for power and communication have been proposed for a range of deep-tissue applications, including neural recording and stimulation. However, published implementations have shown high sensitivity to misalignment with the external ultrasound transducer.
Braeden C. Benedict +2 more
openaire +3 more sources
An Omnidirectional Near-Field Comprehensive Damage Detection Method for Composite Structures
As one of the active structural health monitoring methods based on the Lamb wave, the ultrasonic phased-array damage detection method can provide information such as damage location and range more intuitively, which is why this method is a research ...
Zhiling Wang +3 more
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Strategies for data acquisition using ultrasonic phased arrays [PDF]
Ultrasonic phased arrays have produced major benefits in a range of fields, from medical imaging to non-destructive evaluation. The maximum information, which can be measured by an array, corresponds to the Full Matrix Capture (FMC) data acquisition technique and contains all possible combinations of transmitter–receiver signals.
A. Velichko, A. J. Croxford
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Phased array probes for air-coupled ultrasonic testing based on cellular polymer
Air-coupled ultrasonic testing is an established alternative to conventional ultrasonic methods for testing of light-weight components in aerospace and automotive industry.
Mate Gaal +6 more
doaj +1 more source
Simulation Based Investigation of Focusing Phased Array Ultrasound in Dissimilar Metal Welds
Flaws at dissimilar metal welds (DMWs), such as reactor coolant systems components, Control Rod Drive Mechanism (CRDM), Bottom Mounted Instrumentation (BMI) etc., in nuclear power plants have been found.
Hun-Hee Kim +4 more
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Study on Denoising Method of Weld Defect Signal Based on SSA-VMD-WPD
Defects in welds can affect the structural safety and reliability of workpieces. Currently, the method of using phased array ultrasonic inspection technology for non-destructive testing of weld structures with high detection efficiency, good sensitivity,
Xiangqing Chen +4 more
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Focusing Modeling of OPFC Linear Array Transducer by Using Distributed Point Source Method
The improvement of ultrasonic phased array detection technology is a major concern of engineering community. Orthotropic piezoelectric fiber composite (OPFC) can be constructed to multielement linear array which may be applied conveniently to actuators ...
Ziping Wang, Ying Luo
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