Damage assessment in layered composites using spectral analysis and Lamb wave

Kim, Young-Han; Kim, Dae-Hyun; Han, Jang Hee; Kim, Chun-Gon

doi:10.1016/j.compositesb.2006.12.010

Cited by 56 publications

(35 citation statements)

References 15 publications

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“…Current development in this method is limited to isotropic materials [29][30][31][32]. Those Lamb based techniques, which have been developed for locating damages in QI composite laminates, are based on equivalent isotropic assumption [12,14,33]. However, the extension of Lamb wave diffraction tomography to characterisation of damages in QI composite laminates requires a scattering model that is able to predict Lamb wave scattering characteristics.…”

Section: Lamb Wave Diffraction Tomography and Composite Laminatesmentioning

confidence: 99%

Analytical and finite element prediction of Lamb wave scattering at delaminations in quasi-isotropic composite laminates

Ng¹,

Veidt²,

Rose³

et al. 2012

Journal of Sound and Vibration

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Section: Lamb Wave Diffraction Tomography and Composite Laminatesmentioning

confidence: 99%

Analytical and finite element prediction of Lamb wave scattering at delaminations in quasi-isotropic composite laminates

Ng¹,

Veidt²,

Rose³

et al. 2012

Journal of Sound and Vibration

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“…For ensuring the reliability and security of solid plate-like structures in service, it is of vital importance to develop an effective approach to assess fatigue-induced damage (especially in the early stages of fatigue life). Recent studies indicate that ultrasonic Lamb waves have shown great potential for structural health monitoring [1][2][3][4][5][6][7][8][9][10][11][12][13]. For a material having a plate-like configuration, the Lamb wave inspection technique has an attractive advantage that Lamb wave can possibly test the entire thickness of the material over a great distance.…”

Section: Introductionmentioning

confidence: 99%

“…It is expected that the features of ultrasonic Lamb wave propagation in solid plates subjected to cyclic loading should be related to the degree of fatigue damage. So far, the feasibility of using ultrasonic Lamb wave approach for assessing fatigue damage in plate-like structures has been examined in many available literatures [3][4][5][6][7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Assessment of fatigue damage in solid plates through the ultrasonic Lamb wave approach

Deng

Pei

2010

Sci. China Phys. Mech. Astron.

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Changes (degradations) in the mechanical properties of solid plates induced by cyclic fatigue loading will influence the features of ultrasonic Lamb wave propagation, such as dispersion and attenuation. This paper has qualitatively analyzed the feasibility of using the amplitude-frequency characteristics and the stress wave factors (SWFs) of ultrasonic Lamb wave propagation to assess fatigue damage in solid plates. Liquid wedge transducers located on the surface of solid plates tested are used to generate and detect the Lamb wave signals. Based on the Ritec-SNAP ultrasonic measurement system, the experimental setup for assessing the degree of fatigue damage in solid plates using ultrasonic Lamb wave approach has been established. For several rolled aluminum sheets subjected to tension-tension cyclic loading, the experimental examinations have been performed for the relationships between the amplitude-frequency characteristics of ultrasonic Lamb wave propagation and the numbers of loading cycles (denoted by N), as well as the correlations between the Lamb wave SWFs and N. The experimental results show that the Lamb wave SWFs decrease monotonously and sensitively with the increment of cycles of fatigue loading. Based on the correlations between the Lamb wave SWFs and N, it is further verified that ultrasonic Lamb wave propagation combined with the Lamb wave SWFs can be used to effectively assess early fatigue damage in solid plates. solid plate, fatigue damage, ultrasonic lamb wave, stress wave factor PACS: 43.20.Mv, 62.20.me, 43.40.Qi

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“…And also, by exciting waves and measuring the characterization of these waves propagating in materials, the mechanical properties of the materials could be determined [5,6].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Wave Propagation in Thin Laminated Plates

Natsuki

2010

Materials and Manufacturing Processes

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The formulae including the in-plane stiffness and bending stiffness coefficients, and coupling effect in out-plane were presented for analyzing characterization of wave propagation. Using the present formulae, the wave velocities can be calculated in any case of laminated plates including non-symmetric lamination. In this study, the characteristics of wave propagation in thin laminated plates were investigated in detail. Five modes including symmetric modes and anti-symmetric modes were obtained from the proposed formulae. For each mode, the wave velocities of laminated plates were investigated in different conditions such as plate thickness, stacking sequence and vibrational frequency.

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Damage assessment in layered composites using spectral analysis and Lamb wave

Cited by 56 publications

References 15 publications

Analytical and finite element prediction of Lamb wave scattering at delaminations in quasi-isotropic composite laminates

Analytical and finite element prediction of Lamb wave scattering at delaminations in quasi-isotropic composite laminates

Assessment of fatigue damage in solid plates through the ultrasonic Lamb wave approach

Characterization of Wave Propagation in Thin Laminated Plates

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