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Ultrasonic phased array imaging of contact-acoustic nonlinearity [PDF]
Proceedings of Meetings on Acoustics, 2016 Classically, ultrasonic arrays achieved physical beam-forming through the application of phase delays to the parallel transmission of elements. Alternatively, beam-forming may be emulated through post-processing of sequentially transmitted array data.
Jack N. Potter +3 more
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Phased Array Beamforming Methods for Powering Biomedical Ultrasonic Implants
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022 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
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Simulation Based Investigation of Focusing Phased Array Ultrasound in Dissimilar Metal Welds
Nuclear Engineering and Technology, 2016 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
doaj +1 more source
Phased array probes for air-coupled ultrasonic testing based on cellular polymer
Research and Review Journal of Nondestructive Testing, 2023 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
Study on Denoising Method of Weld Defect Signal Based on SSA-VMD-WPD
Applied SciencesDefects 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
Abstract and Applied Analysis, 2014 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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Defect Detection Algorithm for Wing Skin with Stiffener Based on Phased-Array Ultrasonic Imaging
Sensors, 2023 In response to the real-time imaging detection requirements of structural defects in the R region of rib-stiffened wing skin, a defect detection algorithm based on phased-array ultrasonic imaging for wing skin with stiffener is proposed.
Chuangui Wu +5 more
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Ultrasonic fingerprinting by phased array transducer
IOP Conference Series: Materials Science and Engineering, 2016 Increasing quantity of spent nuclear fuel that must be under national and international control requires a novel approach to safeguard techniques and equipment. One of the proposed approaches is utilize intrinsic features of casks with spent fuel. In this article an application of a phased array ultrasonic method is considered.
Sednev, Dmitry Andreevich +4 more
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Frontiers in Mechanical EngineeringHigh-voltage cable terminal lead seals may develop defects such as holes, cracks, or delamination due to substandard installation quality or external forces during operation.
Peng Ziping +5 more
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IEEE Access, 2020 Ultrasonic phased array technology is used in various fields. Traditional full phased arrays place elements in every position of a uniform lattice with half-wavelength spacing between the lattice points, so the hardware cost is very high.
Han Zhang +3 more
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