Results 21 to 30 of about 83,231 (313)

Non-Contact Laser Ultrasound Detection of Internal Gas Defects in Lithium-Ion Batteries

Sensors
Non-contact laser ultrasonic detection technology provides an innovative solution for evaluating the internal conditions of lithium-ion batteries (LIBs), offering significant advantages in gas defect assessment and structural defect identification.
Dongxia Tang, Chenguang Xu, Guidong Xu, Sen Cui, Sai Zhang   +4 more
doaj   +1 more source

Deep Learning-Based Geometric Optimization of CMUT Phononic Crystals for SAW Control

Applied Sciences
Capacitive micromechanical ultrasonic transducers (CMUTs), as microelectromechanical systems (MEMS) devices, have broad application prospects in ultrasonic imaging and sensing.
Gang Chen, Huizi He, Chenguang Xu, Guidong Xu, Sai Zhang   +4 more
doaj   +1 more source

Onsite strength determination for early-opening decision making of high early strength concrete pavement

Journal of Traffic and Transportation Engineering (English ed. Online), 2023
High early strength (HES) concrete pavements are commonly opened to traffic within the first 24 h after construction, making early-opening decisions critical for pavement quality and traffic operations. Currently, most state departments of transportation
Katelyn Kosar, Lucio Salles de Salles, Naser Pourakbar Sharifi, Julie Vandenbossche, Lev Khazanovich   +4 more
doaj   +1 more source

Enhanced Lateral Resolution in Acoustic Imaging: From High- to Super-Resolution

Sensors
Acoustic imaging, especially ultrasound, underpins a wide range of applications from non-destructive evaluation to medical and materials analysis, yet its performance is ultimately constrained by lateral resolution.
Zheng Xia, Huizi He, Zixing Zhou, Shanshan Pan, Sai Zhang   +4 more
doaj   +1 more source

A radial mode ultrasonic horn for the inactivation of Escherichia coli K12 [PDF]

, 2008
Tuned cylindrical radial mode ultrasonic horns offer advantages over ultrasonic probes in the design of flow-through devices for bacterial inactivation. This study presents a comparison of the effectiveness of a radial horn and probe in the inactivation ...
Lucas, M., Parton, R., Watson, I., Hunter, G.   +3 more
core   +1 more source

Optimization Design of CMUT Sensors with Broadband and High Sensitivity Characteristics Based on the Genetic Algorithm

Sensors
In this study, we propose a method for optimizing the design of CMUT sensors using genetic algorithms. Existing CMUT sensors face frequency response and sensitivity limitations, necessitating optimization to enhance their sensing performance. Traditional
Sai Zhang, Wentao Lu, Ailing Wang, Huizi He, Renxin Wang, Wendong Zhang   +5 more
doaj   +1 more source

MOSAIC: An integrated ultrasonic 2-D array system [PDF]

, 2007
An investigation into the development of an ultrasound imaging system capable of customization for multiple applications via the tessellation of in-system programmable scalable modules, or tiles, is presented here.
D.R.S. Cumming, S. Triger, J.-F. Saillant, Saillant, J-F., J. Wallace, S. Cochran, Wallace, J., Cumming, D.R.S., Triger, S., Cochran, S.   +9 more
core   +1 more source

Air-Coupled, Contact, and Immersion Ultrasonic Non-Destructive Testing: Comparison for Bonding Quality Evaluation

Applied Sciences, 2020
The objective of this study is to compare the performance of different ultrasonic non-destructive testing (NDT) techniques for bonding quality evaluation.
Bengisu Yilmaz, Aadhik Asokkumar, Elena Jasiūnienė, Rymantas Jonas Kažys   +3 more
doaj   +1 more source

Novel hydrophilic polymer couplant for application in ultrasonic non destructive testing [PDF]

, 2001
Ultrasonic Non Destructive Testing (NDT) is used to inspect materials and structures for defects. Water is commonly used in NDT as a couplant to improve ultrasonic transfer between an interrogating probe and test piece.
Bourne, S.J., Bourne, Simon James
core  

Non-contact ultrasonic detection of angled surface defects [PDF]

, 2011
Non-destructive testing is an important technique, and improvements are constantly needed. Surface defects in metals are not necessarily confined to orientations normal to the sample surface; however, much of the previous work investigating the ...
A.R. Clough, R.S. Edwards, Edwards, R. S. (Rachel S.), M.H. Rosli, Rosli, M. H., B. Dutton, Clough, A. R., Dutton, B. (Ben)   +7 more
core   +1 more source