Results 11 to 20 of about 643,568 (346)

Numerical simulations in support of the design of an ultrasonic device for sub-assembly identification [PDF]

open access: yesEPJ Web of Conferences, 2021
In this paper, it is shown how numerical simulations can help designing an ultrasonic instrument operating in harsh conditions. To prevent fuel handling errors in sodium cooled fast reactors, the identification of fuel sub-assemblies using ultrasound is ...
Paumel Kevin   +2 more
doaj   +1 more source

Flaw detection and monitoring over corroded surface through ultrasonic C-scan imaging

open access: yesEngineering Research Express, 2020
Corrosion monitoring is one of the significant areas that is gaining attention in Non-Destructive Evaluation (NDE). In most of the cases, the structures to be monitored will be already corroded and monitoring has to be done on the corroded surface.
V. Nikhil, Biny R. Wiston, M. Ashok
semanticscholar   +1 more source

Evaluation of quantitative ultrasonic C-scan testing for refill friction stir spot welding joints based on time-frequency analysis

open access: yesMaterials Research Express, 2023
This paper focuses on a comparative study of different ultrasonic feature-based C-scan testing imaging methods for characterizing refill friction stir spot welding (RFSSW) joints, and accurately identifying and measuring the nugget boundary.
Hua Zhong   +6 more
doaj   +1 more source

Ultrasonic characterization of defective porcelain tiles

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2012
The aim of this work is the optimization of ultrasonic methods in the non-destructive testing of sintered porcelain tiles containing defects. For this reason, a silicon nitride ball, carbon black and PMMA (Polymethylmethacrylate) were imbedded in ...
Eren, E., Kurama, S., Janssen, R.
doaj   +1 more source

Intelligent damage recognition of composite materials based on deep learning and ultrasonic testing

open access: yesAIP Advances, 2021
Ultrasonic non-destructive testing can effectively detect damage in aircraft composite materials, but traditional manual testing is time-consuming and labor-intensive.
Caizhi Li   +8 more
doaj   +1 more source

Development and Investigation of High-Temperature Ultrasonic Measurement Transducers Resistant to Multiple Heating–Cooling Cycles

open access: yesSensors, 2023
Usually for non-destructive testing at high temperatures, ultrasonic transducers made of PZT and silver electrodes are used, but this could lead to damage to or malfunction of the ultrasonic transducer due to poor adhesion between PZT and silver ...
Vaida Vaskeliene   +4 more
doaj   +1 more source

Nondestructive testing of composite T-Joints by TNDT and other methods

open access: yesPolymer Testing, 2021
Detecting delaminations in the stringer foot areas of “T -joints” made of carbon fiber reinforced polymer (CFRP) composite is a challenging task for standard nondestructive testing (NDT) techniques.
Vladimir Vavilov   +6 more
doaj   +1 more source

Numerical Simulation and Experimental Study of Fluid-Solid Coupling-Based Air-Coupled Ultrasonic Detection of Stomata Defect of Lithium-Ion Battery

open access: yesSensors, 2019
Aiming at the characteristics of the periodic stacking structure of a lithium-ion battery core and the corresponding relationship between the air-coupled ultrasonic transmission initial wave and the wave propagation mode in each layer medium of a lithium-
Honggang Li, Zhenggan Zhou
doaj   +1 more source

The effect of different structural designs on impact resistance to carbon fiber foam sandwich structures

open access: yese-Polymers, 2021
The development of the composite materials in the past decades has made the composite materials more and more widely used in various engineering fields.
Yang Kang   +5 more
doaj   +1 more source

Index based triangulation method for efficient generation of large three-dimensional ultrasonic C-scans [PDF]

open access: yes, 2018
The demand for high speed ultrasonic scanning of large and complex components is driven by a desire to reduce production bottlenecks during the non-destructive evaluation of critical parts.
MacLeod, Charles N.   +4 more
core   +1 more source

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