Ultrasonic guided wave inspection of adhesive bonds between composite laminates

Ren, Baiyang; Lissenden, Cliff J.

doi:10.1016/j.ijadhadh.2013.04.001

Cited by 59 publications

(33 citation statements)

References 14 publications

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“…Michaloudaki et al [1] detect artificial imperfections in adhesive joint by the neutron radiography method. Ren et al [2] study adhesive defects between composite laminates using ultrasonic guided wave technique. Palumbo et al [3] study debonding in adhesive composite joints by lock-in thermography and ultrasonic C-scan imaging.…”

Section: Introductionmentioning

confidence: 99%

Condition monitoring of crack extension in the reinforcement adhesive joints by carbon nanotubes

2020

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Carbon nanotubes (CNT) are ideally suited to be employed for damage sensing in fiber rein- forced composite structures. In this work, the capability of CNTs for crack extension of a single lap Al-Al adhesive joints (SLJ) under shear load is studied using electrical resistance change. Different weight per- cent of CNT are added to epoxy adhesive. Epoxy adhesive with high concentration of CNT is obtained during shear loading to have the maximum strength and provide the best sensory properties. To provide a more concise evaluation of the crack extension in the adhesive layer under shear load, artificial defects are embedded into the SLJ specimens. The effects of square and circular defects with two different sizes on the crack extension in the adhesive layer are evaluated. The results showed that the maximum relative resistance change has occurred by 220% when the microcracks are initiated and accordingly developed from the nanoadhesive and changed its direction from the Square defect boundary. Additionally, in comparison with interface fracture in defective adhesive joint, when a part of crack grows through the adhesive layer, the resistance change showed higher values.

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Section: Introductionmentioning

confidence: 99%

Condition monitoring of crack extension in the reinforcement adhesive joints by carbon nanotubes

2020

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“…The ability of Lamb waves to interact with any kind of defect makes them particularly useful in the diagnostics of various elements of engineering structures, including adhesive joints. In previous studies, guided waves have been proven to be an effective technique for the inspection of adhesive lap joints [15][16][17][18], adhesive bonds between composites [19][20][21], adhesive butt joins of plates [22], or the detectability of the adhesion level [23].…”

Section: Introductionmentioning

confidence: 99%

Damage Imaging in Lamb Wave-Based Inspection of Adhesive Joints

2018

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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 Lamb waves were excited at one point of the analyzed specimen by means of a piezoelectric actuator, while the guided wave field was measured with the use of a laser vibrometer. For damage imaging, the recorded out-of-plane vibrations were processed by means of the weighted root mean square (WRMS). The influence of different WRMS parameters (i.e., the time window and weighting factor), as well as excitation frequencies, were analyzed using statistical analysis. The results showed that two-dimensional representations of WRMS values allowed for the identification of the presence of actual defects in the adhesive film and determined their geometry.

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“…Therefore, it is necessary to develop SHM techniques that focus on continuous/real-time monitoring of composite bolted joints. Recently, guided wave technology has been successfully employed for damage detection in bonded joints [ 22 , 23 , 24 , 25 , 26 , 27 ]. Mohammad et al [ 22 ] evaluated the integrity of a composite skin-stringer joint using the scattering behavior of Lamb waves.…”

Section: Introductionmentioning

confidence: 99%

“…Mohammad et al [ 22 ] evaluated the integrity of a composite skin-stringer joint using the scattering behavior of Lamb waves. Baiyang et al [ 23 ] used ultrasonic guided waves to investigate the adhesive bonds between composite laminates. Dulip et al [ 24 ] developed a wavelet spectral finite element model for studying transient dynamics and wave propagation features in adhesively bonded composite joints.…”

Section: Introductionmentioning

confidence: 99%

Lamb Wave-Based Structural Health Monitoring on Composite Bolted Joints under Tensile Load

et al. 2017

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Online and offline monitoring of composite bolted joints under tensile load were investigated using piezoelectric transducers. The relationships between Lamb wave signals, pre-tightening force, the applied tensile load, as well as the failure modes were investigated. Results indicated that S0/A0 wave amplitudes decrease with the increasing of load. Relationships between damage features and S0/A0 mode were built based on the finite element (FE) simulation and experimental results. The possibility of application of Lamb wave-based structure health monitoring in bolted joint-like composite structures was thus achieved.

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Ultrasonic guided wave inspection of adhesive bonds between composite laminates

Cited by 59 publications

References 14 publications

Condition monitoring of crack extension in the reinforcement adhesive joints by carbon nanotubes

Condition monitoring of crack extension in the reinforcement adhesive joints by carbon nanotubes

Damage Imaging in Lamb Wave-Based Inspection of Adhesive Joints

Lamb Wave-Based Structural Health Monitoring on Composite Bolted Joints under Tensile Load

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