2018
DOI: 10.3390/app8040522
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Damage Imaging in Lamb Wave-Based Inspection of Adhesive Joints

Abstract: Adhesive bonding has become increasingly important in many industries. Non-destructive inspection of adhesive joints is essential for the condition assessment and maintenance of a structure containing such joints. The aim of this paper was the experimental investigation of the damage identification of a single lap adhesive joint of metal plate-like structures. Nine joints with different defects in the form of partial debonding were considered. The inspection was based on ultrasonic guided wave propagation. The… Show more

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Cited by 37 publications
(32 citation statements)
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References 39 publications
(59 reference statements)
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“…Azari et al tested several detective concrete slabs of varying thickness using IE and USW methods [ 24 ]. The ultrasonic method also played a great role in detecting the damage in concrete structures [ 25 , 26 , 27 ]. Besides the methods mentioned above, there are some other techniques utilized in this field.…”
Section: Introductionmentioning
confidence: 99%
“…Azari et al tested several detective concrete slabs of varying thickness using IE and USW methods [ 24 ]. The ultrasonic method also played a great role in detecting the damage in concrete structures [ 25 , 26 , 27 ]. Besides the methods mentioned above, there are some other techniques utilized in this field.…”
Section: Introductionmentioning
confidence: 99%
“…The vibration energy distribution is the basis for a simple but very efficient technique that utilizes the calculation of a root mean square (RMS). Recently, the RMS has been successfully used to detect defects in aluminium plates [14][15][16], delamination in a composite T-joint [17], disbonds in a stiffened panel [18], notches and corrosion areas in aluminium plates [19], disbond inserts in composite elements [20] and voids in adhesive joints [7]. The root mean square for a continuous signal s(t) is calculated with respect to the formula:…”
Section: Root Mean Squarementioning
confidence: 99%
“…Voids and inclusions can be efficiently detected using various non-destructive testing techniques, e.g. ultrasonic waves [5][6][7], thermography [4], radiography [6], digital image correlation [8][9] or electromechanical impedance spectroscopy [10]. Another group of defects are so called kissing bonds.…”
Section: Introductionmentioning
confidence: 99%
“…Adhesively-bonded structures are widely employed in industries because of their inherent nature of providing uniform stress transfer, high fatigue resistance, and the reduction in structural weight [1]. Under in-service conditions, defects such as voids, micro-cracks, disbonding and kissing bonds often occur in adhesive joints due to fatigue loading and environmental corrosion.…”
Section: Introductionmentioning
confidence: 99%