A Non-Contact Multifunctional Ultrasonic Transducer for Measurements and Non-Destructive Testing

2016 ◽  
Vol 59 (9) ◽  
pp. 990-993 ◽  
Author(s):  
G. M. Suchkov ◽  
Yu. K. Taranenko ◽  
Yu. V. Khomyak
Keyword(s):  
Ultrasonic Transducer ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Non Destructive

Ultrasonic Transducer Employing a ZnO-film/Al-foil Composite Structure for Non-Destructive Testing

1990 ◽  
Vol 29 (S1) ◽  
pp. 53
Author(s):  
Mitsuru Yamamoto ◽  
Ken-ya Hashimoto ◽  
Velayutham Rajendran ◽  
Masatsune Yamaguchi
Keyword(s):  
Composite Structure ◽  
Ultrasonic Transducer ◽  
Non Destructive Testing ◽  
Zno Film ◽  
Destructive Testing ◽  
Non Destructive

Detection Resolution Analysis of Scanning Acoustic Microscopy Used in Electronic Packaging

2014 ◽  
Vol 536-537 ◽  
pp. 272-275
Author(s):  
Xiang Hui Guo ◽  
Chun Guang Xu ◽  
Liu Yang ◽  
Kai Peng
Keyword(s):  
Electronic Packaging ◽  
Ultrasonic Transducer ◽  
Experimental Results ◽  
Acoustic Microscopy ◽  
Center Frequency ◽  
Detection Accuracy ◽  
Scanning Acoustic Microscopy ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Non Destructive

Scanning Acoustic Microscopy (SAM) has been a powerful non-destructive testing tool used in electronic packaging and material characterization. With the development of 3D electronic packaging, internal dimensions of electronic packaging are getting more and more smaller, and the detection accuracy of existing non-destructive testing technology is far behind the requirements of manufacturing technology. In this study, a set of practical SAM system was developed independently by our Lab. And its detection resolution was analyzed using high frequency focused transducers with center frequency ranging from 20 MHz to 100MHz. The experimental results show that the lateral resolution of the ultrasonic transducer with 100MHz central frequency can reach about 40 microns, which is consistent with calculated resolution. Comparing with Sparrow criteria, Rayleigh criteria is more coherent with the experimental results.

scholarly journals Ultrasonic Transducer for Non-Destructive Testing of Structures Immersed in Liquid Sodium at 200 °C

Sensors ◽  
2019 ◽  
Vol 19 (19) ◽  
pp. 4156 ◽  
Author(s):  
Saillant ◽  
Marlier ◽  
Navacchia ◽  
Baqué
Keyword(s):  
Ultrasonic Transducer ◽  
Acoustic Properties ◽  
Liquid Sodium ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Non Destructive

TUCSS transducer (French acronym standing for Transducteur Ultrasonore pour CND Sous Sodium) is designed for performing NDT (Non-Destructive Testing) under liquid sodium. Under sodium, the tests results obtained show that these transducers have sufficiently good acoustic properties to perform basic NDT of a structure immersed under liquid sodium at about 200 °C using conventional immersion ultrasonic technics. Artificial defects were made next to an X-shaped weld and could clearly be detected.

Non destructive testing of works of art by terahertz analysis

2013 ◽  
Vol 64 (2) ◽  
pp. 21001 ◽  
Author(s):  
Jean-Luc Bodnar ◽  
Jean-Jacques Metayer ◽  
Kamel Mouhoubi ◽  
Vincent Detalle
Keyword(s):  
Non Destructive Testing ◽  
Destructive Testing ◽  
Works Of Art ◽  
Non Destructive

Modeling of a sensitive element on a planar mushroom-shaped metamaterial for non-destructive testing and searching for inhomogeneities in technological media

2020 ◽  
pp. 54-59
Author(s):  
A. A. Yelizarov ◽  
A. A. Skuridin ◽  
E. A. Zakirova
Keyword(s):  
Sensitive Element ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Resonant Frequency Shift ◽  
Maltese Cross ◽  
Informative Parameters ◽  
Non Destructive ◽  
Cross Type ◽  
Electrodynamic Structure ◽  
Electrophysical Parameters

A computer model and the results of a numerical experiment for a sensitive element on a planar mushroom-shaped metamaterial with cells of the “Maltese cross” type are presented. The proposed electrodynamic structure is shown to be applicable for nondestructive testing of geometric and electrophysical parameters of technological media, as well as searching for inhomogeneities in them. Resonant frequency shift and change of the attenuation coefficient value of the structure serve as informative parameters.

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