Results 61 to 70 of about 10,003 (333)
Advances of Machine Learning in Phased Array Ultrasonic Non-Destructive Testing: A Review
AIRecent advancements in machine learning (ML) have led to state-of-the-art performance in various domain-specific tasks, driving increasing interest in its application to non-destructive testing (NDT). Among NDT techniques, phased array ultrasonic testing
Yiming Na +6 more
doaj +1 more source
PAUT-based defect detection method for submarine pressure hulls
International Journal of Naval Architecture and Ocean Engineering, 2018 A submarine has a pressure hull that can withstand high hydraulic pressure and therefore, requires the use of highly advanced shipbuilding technology. When producing a pressure hull, periodic inspection, repair, and maintenance are conducted to maintain ...
Min-jae Jung +3 more
doaj +1 more source
Frequency selective wave beaming in nonreciprocal acoustic phased arrays
Scientific Reports, 2020 Acoustic phased arrays are capable of steering and focusing a beam of sound via selective coordination of the spatial distribution of phase angles between multiple sound emitters.
Revant Adlakha +4 more
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Sensors, 2023 Traditional ultrasonic testing uses a single probe or phased array probe to investigate and visualize defects by adapting certain imaging algorithms. The time-domain synthetic aperture focusing technique (T-SAFT) is an imaging algorithm that employs a ...
Sundara Subramanian Karuppasamy +1 more
doaj +1 more source
High power phased EMAT arrays for nondestructive testing of as-cast steel [PDF]
, 2019 A new high-power electromagnetic acoustic transducer (EMAT) solid state pulser system has been developed that is capable of driving up to 4 EMAT coils with programmable phase delays, allowing for focusing and steering of the acoustic field.
Dixon, Steve M. +2 more
core +1 more source
Advanced Functional Materials, EarlyView.HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan +9 more
wiley +1 more source
, 2016 The non-dispersive fundamental shear horizontal (SH0) wave in plate-like structures is of practical importance in non-destructive testing (NDT) and structural health monitoring (SHM).
Huan, Qiang +3 more
core +1 more source
Advanced Functional Materials, EarlyView.A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang +7 more
wiley +1 more source
Experimental verification of phased array annular probe in ultrasonic immersion setting
Research and Review Journal of Nondestructive Testing, 2023 With the ongoing development of materials and manufacturing techniques, new product design opportunities manifest themselves. However, care must be taken when applying techniques and material where there is less inherent knowledge about different ...
Mikael Sahl, Håkan Wirdelius
doaj +1 more source
Photoacoustic ultrasound sources from diffusion-limited aggregates
, 2016 Metallic diffusion-limited aggregate (DLA) films are well-known to exhibit near-perfect broadband optical absorption. We demonstrate that such films also manifest a substantial and relatively material-independent photoacoustic response, as a consequence ...
Alexander Kotlerman +6 more
core +2 more sources