Results 31 to 40 of about 14,230,885 (272)

Adaptive technologies in ultrasonic testing

e-Journal of Nondestructive Testing, 2023
These instructions have been prepared to assist authors in the preparation of papers for reproduction in Conference proceedings to be provided to delegates.
Fernando Ojeda
doaj   +1 more source

Metrological investigation and calibration of reference standard block for ultrasonic non-destructive testing [PDF]

Metrology and Measurement Systems, 2022
Ultrasonic Non-Destructive Testing (NDT) is a powerful tool used for testing, verification, and inspection of material, especially for quality control and assurance.
Kalpana Yadav, Sanjay Yadav, P.K. Dubey
doaj   +1 more source

Laser Ultrasound Inspection Based on Wavelet Transform and Data Clustering for Defect Estimation in Metallic Samples [PDF]

, 2019
Laser-generated ultrasound is a modern non-destructive testing technique. It has been investigated over recent years as an alternative to classical ultrasonic methods, mainly in industrial maintenance and quality control procedures.
Cojocaru, Crina, Delgado Prieto, Miquel, Mohamed Selim, Hossameldin, Romeral Martínez, José Luis, Trull Silvestre, José Francisco   +4 more
core   +2 more sources

Propagation and Attenuation Characteristics of an Ultrasonic Beam in Dissimilar-Metal Welds

Sensors, 2020
Ultrasonic inspection of welds joining dissimilar metals in nuclear power plants has proven to be a challenge, because the ultrasonic waves are subject to diffraction, distortion, scattering, and noise.
Young-In Hwang, Deokyong Sung, Hak-Joon Kim, Sung-Jin Song, Ki-Bok Kim, Sung-Sik Kang   +5 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

Irradiation testing of ultrasonic transducers [PDF]

2013 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA), 2013
Ultrasonic technologies offer the potential for high accuracy and resolution in-pile measurement of numerous parameters, including geometry changes, temperature, crack initiation and growth, gas pressure and composition, and microstructural changes. Many Department of Energy-Office of Nuclear Energy (DOE-NE) programs are exploring the use of ultrasonic
J. Daw, B. Tittmann, B. Reinhardt, G. Kohse, P. Ramuhalli, R. Montgomery, H.-T. Chien, J.-F. Villard, J. Palmer, J. Rempe   +9 more
openaire   +1 more source

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

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

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

Fatigue Damage Evaluation of Compressor Blade Based on Nonlinear Ultrasonic Nondestructive Testing

Journal of Marine Science and Engineering, 2021
Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage ...
Pengfei Wang, Weiqiang Wang, Sanlong Zheng, Bingbing Chen, Zengliang Gao   +4 more
doaj   +1 more source