Results 31 to 40 of about 18,542,829 (238)
Ultrasonic arrays have been investigated for inspecting the quality of special materials. Unfortunately, non-destructive testing and evaluation (NDT&E) of internal defects in additive manufacturing (AM) materials are difficult due to the anisotropy ...
Wentao Li, Zhenggan Zhou, Yang Li
doaj +1 more source
The quality of ultrasound images of welds is highly penalized by the dendritic structure of the material that forms during cooling. The image of a flaw is all the more degraded as a reliable description of such a medium is most of the time not possible ...
Corentin Menard +2 more
doaj +1 more source
Applications of Flexible Ultrasonic Transducer Array for Defect Detection at 150 °C
In this study, the feasibility of using a one dimensional 16-element flexible ultrasonic transducer (FUT) array for nondestructive testing at 150 °C is demonstrated.
Jiunn-Woei Liaw +5 more
doaj +1 more source
There has been an increase in the use of ultrasonic arrays for the detection of defects in composite structures used in the aerospace industry. The response of a defect embedded in such a medium is influenced by the inherent anisotropy of the bounding ...
Chirag Anand +2 more
doaj +1 more source
Total Focusing Method (TFM) and Phase Coherence Imaging (PCI) applied to various industrial cases
Les techniques d’imageries ultrasonores basées sur la Total Focusing Method (TFM) sont de plus en plus utilisées dans les applications industrielles.
Frederic Reverdy +2 more
doaj +3 more sources
Imaging of Internal Defects of Polymer-Modified Wood Using Total Focusing Method
Polymer modification can improve the stability and corrosion resistance of wood, but it could create defects inside wood during the modification processing.
Liping Sun +4 more
doaj +1 more source
The demand for cost-efficient manufacturing of complex metal components has driven research for metal Additive Manufacturing (AM) such as Wire + Arc Additive Manufacturing (WAAM).
Rastislav Zimermann +14 more
doaj +1 more source
Total focusing method concept.
Total focusing method concept.
Yuzhong Li (738973) +2 more
core +1 more source
A FDTD model for the post-reception synthetic focusing surface penetrating radar with mine detecting applications [PDF]
Surface penetrating radar (SPR) is extensively used in military, civil, geophysical and archaeological applications. There has been an increasing emphasis on the use of SPR in the identification of buried unexploded ordnance, such as anti-tank mines ...
Nilavalan, R, Benjamin, R, Hilton, GS
core +1 more source
Ultrasonic array imaging algorithms have been widely developed and used for non-destructive evaluation (NDE) in the last two decades. In this paper two widely used time domain algorithms are compared with two emerging frequency domain algorithms in terms
Zeyu Zhuang +3 more
doaj +1 more source

