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Detection of debonding in adhesive joints using Lamb wave propagation

Abstract

Adhesively bonded joints are widely used in many branches of industry. Mechanical degradation of this type of connections does not have significant symptoms that can be noticed during visual assessment, so non-destructive testing becomes a very important issue. The paper deals with experimental investigations of adhesively bonded steel plates with different defects. Five samples (an intact one and four with damages in the form of partial debonding) were prepared. The inspection was conducted with the use of guided wave propagation method. Lamb waves were excited at one point of the sample, whereas the out-of-plane velocity signals were recorded in a number of points spread over the area of overlap. The processing of signals consisted of calculations of weighted root mean square (WRMS). The results of the analysis showed that the WRMS maps allow for identification and determination of size and shape of debonding areas.

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Published in:
MATEC Web of Conferences no. 262, pages 1 - 6,
ISSN: 2261-236X
Title of issue:
64 Scientific Conference of the Committee for Civil Engineering of the Polish Academy of Sciences and the Science Committee of the Polish Association of Civil Engineers (PZITB) (KRYNICA 2018) strony 1 - 6
Language:
English
Publication year:
2019
Bibliographic description:
Rucka M., Wojtczak E., Lachowicz J.: Detection of debonding in adhesive joints using Lamb wave propagation// 64 Scientific Conference of the Committee for Civil Engineering of the Polish Academy of Sciences and the Science Committee of the Polish Association of Civil Engineers (PZITB) (KRYNICA 2018)/ ed. Niedostatkiewicz M. : , 2019, s.1-6
DOI:
Digital Object Identifier (open in new tab) 10.1051/matecconf/201926210012
Sources of funding:
Verification:
Gdańsk University of Technology

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