Results 21 to 30 of about 14,446 (253)
Improving elevation resolution in phased-array inspections for NDT [PDF]
, 2019 The Phased Array Ultrasonic Technique (PAUT) offers great advantages over the conventional ultrasound technique (UT), particularly because of beam focusing, beam steering and electronic scanning capabilities.
Brizuela, Jose David +4 more
core +1 more source
INVESTIGATION INTO THE PRODUCTION FLAWS IN THIN SOLID CARBON LAMINATES BY USING THE ULTRASONIC PHASED ARRAY METHOD [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2018 Composites are used in a wide variety of markets, including the aerospace, architecture, automotive and military sectors. Along with the increased use of composites, multiple non-destructive testing (NDT) methods have been further developed specifically ...
Jan PIL’A +2 more
doaj +1 more source
Two-dimensional flexural ultrasonic phased array for flow measurement [PDF]
, 2017 The arrival time detection probability and the measurement range of transit-time ultrasonic flow meters are undermined by the sound drift effect. One solution to this problem is utilizing a phased-array beam steering technique to compensate the bend of ...
Arnaudov, Yavor Emilov +9 more
core +3 more sources
Numerical Investigation of Excitation of Various Lamb Waves Modes in Thin Plastic Films
Applied Sciences, 2022 Ultrasonic-guided waves are widely used for the non-destructive testing and material characterization of plates and thin films. In the case of thin plastic polyvinyl chloride (PVC), films up to 3.2 MHz with only two Lamb wave modes, antisymmetrical A0 ...
Rymantas Jonas Kazys +2 more
doaj +1 more source
Haptic Interface Device Using Cable Tension Based on Ultrasonic Phased Array
IEEE Access, 2020 This paper presents a new haptics interface device based on cable-driven parallel manipulators and an ultrasonic phased array. Unlike previous studies, our method combines force and tactile feedback at the same time.
Liqiang Fan, Aiguo Song, Haochen Zhang
doaj +1 more source
Research on factors affecting ultrasonic phased array detection imaging quality for curved component
AIP Advances, 2022 An in-depth analysis on the beam directivity of ultrasonic phased arrays has been made to solve the problems of low image quality and identification difficulties caused by a suboptimal configuration of array elements.
Zhe Wang, Chao Zhang, Xiahui Li
doaj +1 more source
Cailiao gongcheng, 2021 Composite materials are prone to delamination defects during the preparation process. For the non-destructive testing and evaluation of carbon fiber reinforced polymer (CFRP) delamination defects, a standard specimen with embedded delamination defects ...
CAO Hong-yi +8 more
doaj +1 more source
Ultrasonic phased array system modeling-issues and solutions [PDF]
, 2011 In modeling ultrasonic phased array inspection systems one needs to characterize the electrical and electromechanical components of the system and the radiation properties of the individual array elements since both of these properties are important in ...
Schmerr, Lester W., Jr. +1 more
core +3 more sources
International Journal of Distributed Sensor Networks, 2013 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
doaj +1 more source
Nonlinear ultrasonic phased array imaging [PDF]
, 2014 This Letter reports a technique for the imaging of acoustic nonlinearity. By contrasting the energy of the diffuse field produced through the focusing of an ultrasonic array by delayed parallel element transmission with that produced by postprocessing of
Croxford, A. J. +2 more
core +2 more sources