Results 11 to 20 of about 2,854 (258)

Defect Detection Algorithm for Wing Skin with Stiffener Based on Phased-Array Ultrasonic Imaging [PDF]

open access: yesSensors, 2023
In response to the real-time imaging detection requirements of structural defects in the R region of rib-stiffened wing skin, a defect detection algorithm based on phased-array ultrasonic imaging for wing skin with stiffener is proposed.
Chuangui Wu   +5 more
doaj   +2 more sources

Fast and Smart State Characterization of Large-Format Lithium-Ion Batteries via Phased-Array Ultrasonic Sensing Technology [PDF]

open access: yesSensors
Lithium-ion batteries (LIBs) are widely used in electric vehicles and energy storage systems, making accurate state transition monitoring a key research topic.
Zihan Zhou   +5 more
doaj   +2 more sources

Sound Field Modeling Method and Key Imaging Technology of an Ultrasonic Phased Array: A Review

open access: yesApplied Sciences, 2022
An ultrasonic phased array consists of multiple ultrasonic probes arranged in a certain regular order, and the delay time of the excitation signal sent to each array element is controlled electronically.
Qian Xu, Haitao Wang
doaj   +3 more sources

Automated Classification of Pipeline Defects from Ultrasonic Phased Array Total Focusing Method Imaging

open access: yesEnergies, 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
doaj   +3 more sources

All-optically controlled phased-array for ultrasonics. [PDF]

open access: yesNat Commun
Abstract The ability to dynamically shape ultrasound fields is critical for emerging applications in therapeutic ultrasound, particle manipulation and tissue engineering. While existing phased arrays provide beam steering for imaging, these newer applications require higher intensities.
Goyal R   +4 more
europepmc   +5 more sources

Phased array ultrasonic testing of gear tooth

open access: yesCogent Engineering
This paper proposes a new testing method, phased array ultrasonic testing, for the internal defects of gear teeth, which can be used to inspect the teeth of final products, breaking the limitations of incomplete volume coverage of conventional ultrasonic
Liang Wang, Chenchen Ma
doaj   +3 more sources

Advances of Machine Learning in Phased Array Ultrasonic Non-Destructive Testing: A Review

open access: yesAI
Recent 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   +3 more sources

Crack Orientation and Depth Estimation in a Low-Pressure Turbine Disc Using a Phased Array Ultrasonic Transducer and an Artificial Neural Network [PDF]

open access: yesSensors, 2013
Stress corrosion cracks (SCC) in low-pressure steam turbine discs are serious hidden dangers to production safety in the power plants, and knowing the orientation and depth of the initial cracks is essential for the evaluation of the crack growth rate ...
Wenshuang Chang   +3 more
doaj   +2 more sources

Crack Detection Method for Wind Turbine Tower Bolts Using Ultrasonic Spiral Phased Array

open access: yesSensors
High-strength bolts are crucial load-bearing components of wind turbine towers. They are highly susceptible to fatigue cracks over long-term service and require timely detection.
Hongyu Sun   +5 more
doaj   +3 more sources

Numerical simulation of phased array ultrasonic testing for fillet weld defects of type-B sleeve

open access: yesYou-qi chuyun, 2022
Type-B sleeve repair is one of the main permanent repair methods for long-distance oil and gas pipelines at present. However, fillet weld defects are often produced during the operation, which need to be detected and evaluated by phased array ultrasonic ...
Hongbo ZHANG   +5 more
doaj   +1 more source

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