Léa Anne Clémence Lecointre

The University of Tokyo

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Tomohiro Yokozeki

The University of Tokyo

Naoki Hosoya

Shibaura Institute of Technology

Shin‐ichi Takeda

Takeda (Japan)

Ryo Higuchi

The University of Tokyo

M. Mita

Shibaura Institute of Technology

Shintaro Kamiyama

Japan Aerospace Exploration Agency

Yu Zhou

Harbin Engineering University

Yu Zhou

Anhui University

Abhishek Kumar Pathak

Dr. C. V. Raman University

Shota Tonegawa

Shibaura Institute of Technology

Cooperative Institutions

The University of Tokyo

Japan Aerospace Exploration Agency

Shibaura Institute of Technology

Tokyo University of Science

Takeda (Japan)

Institute of Space and Astronautical Science

Laboratory for Integrated Micro-Mechatronic Systems

Japan Science and Technology Agency

Tokyo University of Agriculture and Technology

Harbin Engineering University

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Development of Signal Processing Algorithms for Delamination Detection in Composite Laminates Using Fully Non-Contact Excited Lamb Waves

Léa Anne Clémence Lecointre Ryo Higuchi Tomohiro Yokozeki Naoki Hosoya Shin‐ichi Takeda

Download This Paper Open PDF in Browser Add Paper to My Library Share: Permalink Using these links will ensure access to this page indefinitely Copy URL Copy DOI

Delamination

SIGNAL (programming language)

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10.2139/ssrn.4792944

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Polypropylene nanocomposites with high-loading conductive carbon nano-reinforcements for multifunctional applications

Applied Nanoscience (2020)

Abhishek Kumar Pathak Yu Zhou Léa Anne Clémence Lecointre Tomohiro Yokozeki

Polypropylene

Thermal Stability

Thermogravimetric analysis

Flexural modulus

Molding (decorative)

10.1007/s13204-020-01594-6

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Citations (12)

Enhancing thermographic characterisation of delaminated zones in CFRP composites through data fusion with ultrasonic Lamb Waves technique

Infrared Physics & Technology (2025)

Léa Anne Clémence Lecointre Yu Zhou Naoki Hosoya Shintaro Kamiyama Shin‐ichi Takeda

Lamb waves

Delamination

10.1016/j.infrared.2025.105721

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Development of signal processing algorithms for delamination detection in composite laminates using fully non-contact excited lamb waves

Ultrasonics (2024)

Léa Anne Clémence Lecointre Ryo Higuchi Tomohiro Yokozeki Naoki Hosoya Shin‐ichi Takeda

Delamination

Lamb waves

SIGNAL (programming language)

10.1016/j.ultras.2024.107524

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Lamb waves evaluation in CFRP plates with laser shock wave technique

Structures (2023)

Naoki Hosoya M. Mita Léa Anne Clémence Lecointre Shota Tonegawa Ryo Higuchi

Lamb waves, which are guided waves propagating along the surface of a thin plate structure, have been investigated to remotely perform nondestructive testing for aircraft or infrastructures made of carbon fiber reinforced plastic (CFRP) plates. CFRP plates are prone to internal damage such as delamination, which does not occur in metallic materials. Although nondestructive methods such as X-ray, flash thermography, etc. have been investigated in several studies, they may have some disadvantages such as risks of radiation exposure or limitation in terms of size of the structures to be tested for the former, and heat diffusion for the latter. Laser thermoelasticity can generate Lamb waves remotely and nondestructively. However, the generated Lamb waves have a small amplitude; therefore, hundreds of measurements must be averaged to achieve a sufficient signal-to-noise ratio. For these reasons, it has not yet been demonstrated as possible to detect damage in large CFRP structures within a short time using nondestructive, remote-controlled methods. As a first step towards performing nondestructive tests in CFRP plates, this paper demonstrates the generation of A0 mode Lamb waves in the experimental plate samples using laser-induced plasma (LIP) shock waves. The validity of the proposed system is verified by comparing the phase velocities of Lamb waves in the CFRP plates with three different layups obtained with the proposed system, with the theoretical values obtained analytically. This system can generate vibrations in CFRP plates in frequency ranges of a few hundred kHz and allow to determine the phase velocity of the experimental Lamb waves up to approximately 100 kHz.

Lamb waves

Delamination

SIGNAL (programming language)

Laser ultrasonics

10.1016/j.istruc.2023.105566

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Citations (4)