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Russian Journal of Nondestructive Testing

Erschienen in:

01.02.2021 | ACOUSTIC METHODS

Ultrasonic Testing of Welds in Thin-Walled Titanium Shells Using an Incomplete Penetration Indicator

verfasst von: R. R. Iskhuzhin, V. N. Borisov, V. G. Atavin, A. A. Uzkikh, K. K. Khafizova

Erschienen in: Russian Journal of Nondestructive Testing | Ausgabe 2/2021

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Abstract

We consider the procedure of ultrasonic quality control of weld seams in thin-walled titanium-alloy shells with a thickness of 0.6 mm. Publications devoted to the excitation and propagation of Lamb waves and practical problems of ultrasonic inspection of thin-walled products are reviewed. The problem of detecting adhesions (areas of a weld seam with lack of penetration that conduct ultrasonic waves well but do not provide mechanical strength) is solved. It is proposed to use a corner groove as an indicator of lack of penetration in the weld. The propagation of different modes of Lamb waves in the material is analyzed, and the optimal testing parameters are selected. High information content of the signal is achieved using wavelet analysis and fine-pitch precision digital filters. Defectograms of a weld containing defective and defect-free areas are analyzed. The results of ultrasound scanning are compared with metallography data.

Vorheriger Artikel The Influence of Transmission Direction and the Natural Frequency of Transducers during the Testing of Silica Refractory Bricks by the Ultrasonic Pulse Method

Nächster Artikel Impact Damage Detection in Laminate and Honeycomb CFRPs using Lamb Wave Ultrasonic Sensing

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Titel: Ultrasonic Testing of Welds in Thin-Walled Titanium Shells Using an Incomplete Penetration Indicator
verfasst von: R. R. Iskhuzhin
V. N. Borisov
V. G. Atavin
A. A. Uzkikh
K. K. Khafizova
Publikationsdatum: 01.02.2021
Verlag: Pleiades Publishing
Erschienen in: Russian Journal of Nondestructive Testing / Ausgabe 2/2021
Print ISSN: 1061-8309
Elektronische ISSN: 1608-3385
DOI: https://doi.org/10.1134/S1061830921020054

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