Non-destructive Evaluation of Composite Structures with Focus on Ultrasonic Testing
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".
Deadline for manuscript submissions: 20 January 2025 | Viewed by 62
Special Issue Editors
Interests: lamb wave modes; phased ultrasonic arrays; measurement techniques; FEM simulation
Interests: nonlinear acoustics; ultrasound propagation; ultrasonic non-destructive testing
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The ultrasonic-guided wave-based inspection technique is a very promising method for non-destructive testing (NDT) and structural condition monitoring (SHM) and is a key method for detecting and characterizing damage in plate-type structures. Different types of guided waves can propagate in any confined medium and include the well-known Rayleigh (surface) waves in half-space and Lamb waves in plates. A characteristic feature of guided Lamb waves is that their propagation speed depends on frequency, i.e., whether they are dispersive. Nowadays, composite materials are very widely used in various sectors such as aerospace; modern transport, including buses, trams, and pleasure boats; human protection items such as helmets, flak-jackets, and bulletproof coatings; and gas pipelines. Usually, due to the required high strength and light weight, composites reinforced by carbon fibres (CFRP) or glass fibres (GFRP) are used. Taking into account the fact that, in most cases, the structure manufactured from such composites must be very robust, even in extreme conditions, the quality requirements for such materials are very high also. Exploitation of the products and structures with defects may lead to events with human injuries and even losses.
The purpose of this Special Issue is to apply ultrasound-guided Lamb waves for the characterization and non-destructive evaluation of composite structures.
Possible topics of interest include, but are not limited to, the following:
- Methods of excitation and reception of guided Lamb waves in sheet-type composites structures;
- Phased ultrasonic arrays for excitation and reception of Lamb wave modes;
- Lamb wave modes with various types of defects in composites structures;
- Numerical simulation of interaction of Lamb wave modes with various types of defects based on FEM in planar composites structures.
Dr. Justina Sestoke
Dr. Marco Scalerandi
Dr. Luigi Solazzi
Guest Editors
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Keywords
- contact and air-coupled technics
- phased array transducers
- guided Lamb waves
- various types of defects
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