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Russian Journal of Nondestructive Testing
Erschienen in: Russian Journal of Nondestructive Testing 1/2022

01.01.2022 | ACOUSTIC METHODS

On the Issue of Interpretating Echograms in the Contact Technique

verfasst von: A. V. Martynenko

Erschienen in: Russian Journal of Nondestructive Testing | Ausgabe 1/2022

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Abstract

The echogram of an ultrasonic pulsed flaw detector with the contact testing technique has been considered as a convolution when a transducer with a protector matching the couplant receives an acoustic pulse emitted by the same transducer through the couplant into the load and reflected from this load and from this transducer. A method is proposed for calculating echograms for products, transducers, and couplants made of any materials with any size of the contact layer, provided that the acoustic impedances of the materials used are known. A method is proposed for compensating interfering reflections for a transducer matched to the couplant.
Vorheriger Artikel Testing Semiconductor Products Using Low-Frequency Noise Parameters
Nächster Artikel Comparison of Damage Distribution and Ultrasonic Nonlinear Responses of Two Typical Plate Structures

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Literatur
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Metadaten
Titel
On the Issue of Interpretating Echograms in the Contact Technique
verfasst von
A. V. Martynenko
Publikationsdatum
01.01.2022
Verlag
Pleiades Publishing
Erschienen in
Russian Journal of Nondestructive Testing / Ausgabe 1/2022
Print ISSN: 1061-8309
Elektronische ISSN: 1608-3385
DOI
https://doi.org/10.1134/S1061830922010053

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