Results 41 to 50 of about 10,003 (333)
Metascreen-Based Acoustic Passive Phased Array [PDF]
, 2015 Conventional phased arrays require a large number of sources in forming a complex wave front, resulting in complexity and a high cost to operate the individual sources.
Cheng, Jian-chun +4 more
core +1 more source
Adaptive ultrasonic rail wheel testing system with advanced phased array technology
Research and Review Journal of Nondestructive Testing, 2023 Non-destructive wheel inspection by means of ultrasound testing (UT) is crucial for highspeed, local or cargo trains. Any failure can lead to catastrophic events resulting in high material damage and personal injury or even fatalities.
Thomas Würschig +5 more
doaj +1 more source
Experimental investigation of inter-element isolation in a medical array transducer at various manufacturing stages [PDF]
, 2016 This work presents the experimental investigation of vibration maps of a linear array transducer with 192 piezoelements by means of a laser Doppler vibrometer at various manufacturing finishing steps in air and in water.
Bini, Fabiano +2 more
core +1 more source
Thermoacoustic phased-array radiators – Theory, characteristics, and applications
Research and Review Journal of Nondestructive Testing, 2023 Standard non-invasive acoustic non-destructive testing (NDT) methods like testing in contact or using immersion tank arrangements are limited since the probes need to be in direct contact with the test piece or using a fluid as coupling media.
Daniel Hufschläger +4 more
doaj +1 more source
Communications, 2015 The article deals with non-destructive ultrasonic identification of lack of fusion and penetration in circumferential fillet welds in gas industry by using Phased Array method.
Radoslav Konar +3 more
doaj +1 more source
Applied Sciences, 2022 Pipes of various shapes constitute pipelines utilized in industrial sites. These pipes are coupled through welding, wherein complex curvatures such as a flange, an elbow, a reducer, and a branch pipe are often found. Using phased array ultrasonic testing
Seong Jin Lim +3 more
doaj +1 more source
Recent survey and application of the simSUNDT software [PDF]
, 2010 The simSUNDT software is based on a previous developed program (SUNDT). The latest version has been customized in order to generate realistic synthetic data (including a grain noise model), compatible with a number of off-line analysis software.
Persson, Gert, Wirdelius, Håkan
core +1 more source
Using Phased Array Ultrasound to Localize Probes During the Inspection of Welds
IEEE Open Journal of Instrumentation and Measurement, 2023 In this article, an image processing-based localization system is developed for remote nondestructive evaluation of welds within industrial assets. Manual ultrasonic inspection of large-scale structures is often repetitive, time-consuming, and benefits ...
Adam Gilmour +7 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
doaj +1 more source
Materials Research Express, 2022 In phased array ultrasonic sector scanning testing, echoes from defects near the detection surface are often overlapped with interface echoes and cannot be characterized.
Yukuo Tian +6 more
doaj +1 more source