Results 51 to 60 of about 2,754 (159)

Model and optimization of ultrasonic phased array parameters

Journal of Measurement Science and Instrumentation, 2016
Beam focusing is one of the unique characteristics of ultrasonic phased array compared with conventional ultrasound.On the basis of two-dimensional radiated sound field of phased array,the three-dimensional radiated sound field was simulated in the paper,
QIAN Xue-wei, WANG Zhao-ba, ZHAO Xia
doaj  

Validation of Novel Ultrasonic Phased Array Borehole Probe by Using Simulation and Measurement. [PDF]

Sensors (Basel), 2022
Prabhakara P, Mielentz F, Stolpe H, Behrens M, Lay V, Niederleithinger E.   +5 more
europepmc   +1 more source

Frequency-domain imaging algorithm for ultrasonic testing by application of matrix phased arrays

MATEC Web of Conferences, 2017
Constantly increasing demand for high-performance materials and systems in aerospace industry requires advanced methods of nondestructive testing. One of the most promising methods is ultrasonic imaging by using matrix phased arrays.
Dolmatov Dmitry, Salchak Yana, Pinchuk Roman   +2 more
doaj   +1 more source

Comparison of Ultrasonic Phased Array and Film Radiography in Detection of Artificially Embedded Defects in Welded Plates. [PDF]

Materials (Basel), 2023
Herceg A, Maglić L, Grizelj B, Marušić V.   +3 more
europepmc   +1 more source

Buried Defect Detection Method for a Blowout Preventer Seal Ring Groove Based on an Ultrasonic Phased Array. [PDF]

Materials (Basel), 2022
Wang S, Zhang L, Yu P, Xu Q, Fan J, Yu J.   +5 more
europepmc   +1 more source

Online evolution of a phased array for ultrasonic imaging by a novel adaptive data acquisition method

Scientific Reports
Ultrasonic imaging, using ultrasonic phased arrays, has an enormous impact in science, medicine and society and is a widely used modality in many application fields.
Peter Lukacs, Theodosia Stratoudaki, Geo Davis, Anthony Gachagan   +3 more
doaj   +1 more source

Improved scheduling algorithm for signal processing in asynchronous distributed ultrasonic total-focusing-method system.

PLoS ONE, 2019
Compared to the conventional ultrasonic phased-array system, a large-element phased-array system employing the total focusing method (TFM) can yield improved image resolution and accuracy, providing more flexible scanning methods and image merging ...
Yuzhong Li, Wenming Tang, Guixiong Liu
doaj   +1 more source

Ultrasonic Inspection of a 9% Ni Steel Joint Welded with Ni-based Superalloy 625: Simulation and Experimentation

Metals, 2018
The ultrasonic inspection of thick-walled welded joint with austenitic weld metal has proven to be a challenge due to its anisotropic microstructure that can promote ultrasonic waves attenuation.
João da Cruz Payão Filho, Elisa Kimus Dias Passos, Rodrigo Stohler Gonzaga, Ramon Fonseca Ferreira, Daniel Drumond Santos, Diego Russo Juliano   +5 more
doaj   +1 more source

Ultrasonic Phased Array Imaging Approach Using Omni-Directional Velocity Correction for Quantitative Evaluation of Delamination in Composite Structure. [PDF]

Sensors (Basel), 2023
Xu X, Fan Z, Chen X, Cheng J, Bu Y.
europepmc   +1 more source

Highly Sensitive Phased Array Probes based on Capacitive Micromachined Ultrasonic Transducers

e-Journal of Nondestructive Testing
Capacitive Micromachined Ultrasonic Transducers (CMUTs) offer a wide freedom of design for ultrasonic phased arrays. They are characterized, in comparison to piezoelectric transducers, by a higher sensitivity in receiving and a wider bandwidth based on ...
Uwe Voelz, Marco Kircher, Sandro G. KOCH, Marcel Krenkel   +3 more
doaj   +1 more source