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Application of Ultrasonic Array Method for the Inspection of TC18 Addictive Manufacturing Titanium Alloy [PDF]

open access: yesSensors, 2019
Ultrasonic arrays have been investigated for inspecting the quality of special materials. Unfortunately, non-destructive testing and evaluation (NDT&E) of internal defects in additive manufacturing (AM) materials are difficult due to the anisotropy ...
Wentao Li, Zhenggan Zhou, Yang Li
doaj   +5 more sources

Sound Field Modeling Method and Key Imaging Technology of an Ultrasonic Phased Array: A Review

open access: yesApplied Sciences, 2022
An ultrasonic phased array consists of multiple ultrasonic probes arranged in a certain regular order, and the delay time of the excitation signal sent to each array element is controlled electronically.
Qian Xu, Haitao Wang
doaj   +4 more sources

Hand Gesture Recognition Using Ultrasonic Array with Machine Learning [PDF]

open access: yesSensors
In the field of gesture recognition technology, accurately detecting human gestures is crucial. In this research, ultrasonic transducers were utilized for gesture recognition.
Jaewoo Joo, Jinhwan Koh, Hyungkeun Lee
doaj   +3 more sources

Flow Velocity Measurement Using a Spatial Averaging Method with Two-Dimensional Flexural Ultrasonic Array Technology [PDF]

open access: yesSensors, 2019
Accurate average flow velocity determination is essential for flow measurement in many industries, including automotive, chemical, and oil and gas.
Lei Kang   +6 more
doaj   +3 more sources

Laser Scanning Guided Localization Imaging with a Laser-Machined Two-Dimensional Flexible Ultrasonic Array. [PDF]

open access: yesMicromachines (Basel), 2022
Advances in flexible integrated circuit technology and piezoelectric materials allow high-quality stretchable piezoelectric transducers to be built in a form that is easy to integrate with the body’s soft, curved, and time-dynamic surfaces. The resulting
Chen J, Liu W, Gu D, Wu D.
europepmc   +2 more sources

2-D Ultrasonic Array-Based Optical Coherence Elastography. [PDF]

open access: yesIEEE Trans Ultrason Ferroelectr Freq Control, 2021
Acoustic radiation force optical coherence elastography (ARF-OCE) has been successfully implemented to characterize the biomechanical properties of soft tissues, such as the cornea and the retina, with high resolution using single-element ultrasonic ...
Kang H   +9 more
europepmc   +2 more sources

Comparison of Time Domain and Frequency-Wavenumber Domain Ultrasonic Array Imaging Algorithms for Non-Destructive Evaluation. [PDF]

open access: yesSensors (Basel), 2020
Ultrasonic array imaging algorithms have been widely developed and used for non-destructive evaluation (NDE) in the last two decades. In this paper two widely used time domain algorithms are compared with two emerging frequency domain algorithms in terms
Zhuang Z   +3 more
europepmc   +2 more sources

3D Printing of BaTiO3 Piezoelectric Ceramics for a Focused Ultrasonic Array. [PDF]

open access: yesSensors (Basel), 2019
BaTiO3 (BTO) ceramics were fabricated based on stereolithography technology. The microstructures and electric properties of the BTO ceramics were studied.
Cheng J, Chen Y, Wu JW, Ji XR, Wu SH.
europepmc   +2 more sources

Measurement of a 3D Ultrasonic Wavefield Using Pulsed Laser Holographic Microscopy for Ultrasonic Nondestructive Evaluation [PDF]

open access: yesSensors, 2018
In ultrasonic array imaging, 3D ultrasonic wavefields are normally recorded by an ultrasonic piezo array transducer. Its performance is limited by the configuration and size of the array transducer.
Xing Wang   +4 more
doaj   +3 more sources

Multi Spherical Wave Imaging Method Based on Ultrasonic Array [PDF]

open access: yesSensors, 2022
The imaging range of traditional plane wave imaging is usually limited by the directivity of the plane wave. In this paper, a multi spherical wave imaging method based on an ultrasonic array is proposed, which radiates both compression and shear waves in
Zhi-Ying Liu   +3 more
doaj   +2 more sources

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