Results 201 to 210 of about 99,487 (264)
Frequency domain laser ultrasound for inertial confinement fusion target wall thickness measurements. [PDF]
PhotoacousticsRyzy M +6 more
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Optimizing the Tensile Performance of Repaired CFRP Laminates with Different Patch Parameters Using a Surrogate-Based Model. [PDF]
Materials (Basel)Yin Z +6 more
europepmc +1 more source
Microstructure Identification of Additive Manufactured Titanium Alloy by Using Lamb Wave-DenseNet Network. [PDF]
Sensors (Basel)Huang Y, Zhao Y, Zhao G, Yang P.
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Tracking Molecular Shear at Metal Surfaces Using Enhanced Lamb Wave Scattering in Plasmonic Nanocavities. [PDF]
Nano LettBoehmke A +6 more
europepmc +1 more source
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Lamb Wave Frequency Diverse Array
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022The imaging method based on the conventional phased array (PA) can only realize angle focusing. To break through the above limitations, frequency diverse array (FDA) is first introduced from radar to Lamb wave, which opens up a possibility to realize angle-range focusing in damage localization. The energy pattern of FDA without considering the features
Yanfeng Lang +3 more
openaire +2 more sources
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1998
Lamb waves are extensively involved in plate structure inspection because of their guided nature. However, their dispersive nature often limits their use in flaw detection. In this paper we show that the use of a time-reversal mirror (TRM) allows to automatically compensate for the dispersive nature of Lamb waves.
R K, Ing, M, Fink
openaire +2 more sources
Lamb waves are extensively involved in plate structure inspection because of their guided nature. However, their dispersive nature often limits their use in flaw detection. In this paper we show that the use of a time-reversal mirror (TRM) allows to automatically compensate for the dispersive nature of Lamb waves.
R K, Ing, M, Fink
openaire +2 more sources
IEEE Symposium on Ultrasonics, 2002
Tomographic imaging of the condition of tin materials has been performed using Lamb waves. Lamb waves were generated in thin sheets of aluminum submerged in water using an immersion transducer set at the critical angle. An identical transducer at a fixed separation detected energy radiated back into the water by the propagating Lamb wave.
D.P. Jansen, D.A. Hutchins
openaire +1 more source
Tomographic imaging of the condition of tin materials has been performed using Lamb waves. Lamb waves were generated in thin sheets of aluminum submerged in water using an immersion transducer set at the critical angle. An identical transducer at a fixed separation detected energy radiated back into the water by the propagating Lamb wave.
D.P. Jansen, D.A. Hutchins
openaire +1 more source
Ultrasonic Lamb wave diffraction tomography
Ultrasonics, 2001Ultrasonic guided waves, Lamb waves, allow large sections of aircraft structures to be rapidly inspected. Unlike conventional ultrasonic C-scan imaging that requires access to the whole inspected area, tomographic algorithms work with data collected over the perimeter.
E V, Malyarenko, M K, Hinders
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Lamb Wave Multitouch Ultrasonic Touchscreen
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2016Touchscreen sensors are widely used in many devices such as smart phones, tablets, and laptops with diverse applications. We present the design, analysis, and implementation of an ultrasonic touchscreen system that utilizes the interaction of transient Lamb waves with objects in contact with the screen. It attempts to improve on the existing ultrasound
Kamyar Firouzi +3 more
openaire +2 more sources