Results 11 to 20 of about 17,900,254 (159)
Laser-induced ultrasonic measurements for the detection and reconstruction of surface defects
Acta Acustica, 2021 Laser-induced ultrasonic measurement is a non-contact non-destructive technology that can be employed for the testing and assessment of surface defects.
Qian Feiming +5 more
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Applied Sciences, 2021 Full-matrix capture (FMC)-based ultrasonic imaging provides good sensitivity to small defects in non-destructive testing and has gradually become a mainstream research topic.
Bei Yu +5 more
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Research and Review Journal of Nondestructive Testing, 2023 The total focusing method (TFM) is a post-processing imaging technique applied on full matrix capture (FMC) ultrasonic inspection (UT) dataset. In TFM the ultrasonic wave energy is synthetically focused on every pixel in the image region of interest ...
Xiangyu Lei +2 more
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Low Frequency GFRP Imaging with Variable Aperture TFM
e-Journal of Nondestructive Testing, 2023 Graphite or glass fiber reinforced polymer (GFRP) inspections are usually made with a zero-degree linear scan (L-scan) (1). Total focusing may not be applicable for some anisotropic materials, but in some cases, TFM may increase the ultrasound imaging ...
Renato Nogueira +2 more
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Sensors, 2023 Immersion ultrasonic phased array imaging technology offers great advantages, particularly in coupling and automatic detection of industrial non-destructive testing (NDT).
Ming Chen +5 more
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Ultrasonic Inspection of Weld Defects Using Total Focusing Method
, 2021 Ultrasonic arrays have been widely employed in industrial applications because of their ability to perform quick inspections for detection and characterization of flaws.
Pillarisetti, Lalith Sai Srinivas +1 more
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Total Focusing Method with Subsampling in Space and Frequency Domain for Ultrasound NDT
, 2022 S.2103-2106In this paper, we present a compressed sensing model for 2D Full Matrix Capture data from a uniform linear array. Data is reconstructed via a matrix-free implementation of the Total Focusing Method (TFM) combined with the Fast Iterative ...
Semper, Sebastian +4 more
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Zalety metody pełnego ogniskowania TFM [PDF]
, 2019 Total Focusing Method has been recently made available in portable Phased-Array Ultrasonic Instrument. Portable industrial equipment with full-parallel capabilities allows handling of matrix-array probes, 3D imaging and advanced techniques for optimal ...
Benoist, Gregoire, Reverdy, Frédéric
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Energies, 2022 The defects in the welds of energy pipelines have significantly influenced their safe operation. The inefficient and inaccurate detection of the defects may give rise to catastrophic accidents.
Haibin Wang +6 more
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Sensors, 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
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