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Review Oct 2026

Advances of deep learning based ultrasonic nondestructive testing for CFRP structures: a review.

Carbon fiber reinforced polymers (CFRP) exhibit exceptional properties such as low density, high strength, corrosion resistance, and design flexibility, making them widely employed in aerospace, automotive, and biomedical applications. However, various types of damage may occur during manufacturing, assembly, or servic...

Yi-Tian Yan, Kang Yang, Ya-Xun Gou et al. · 0 citations
Review Open access Sep 2026

The Effect of Material Selection of Honeycomb Structures on Noise Reduction of Airplane Engines

Honeycomb structures are widely used in modern aircraft engines due to their exceptional strength-to-weight ratio, durability, and acoustic performance. This paper examines how material selection: specifically, aluminum, Nomex, and carbon fiber reinforced polymer (CFRP), drives differences in noise attenuation across t...

Tsz Ho Ben Lee · 0 citations
Aug 2026

Single-sensor Acoustic Emission Damage Location in Orthotropic Steel Decks Based on Continuous Wavelet Transform and Convolutional Neural Network

A single-sensor acoustic emission (AE) damage location framework is developed based on continuous wavelet transform and convolutional neural network (CNN), which leverages the high sensitivity of AE and the strong learning ability of artificial intelligence.

Pi-Fu Cheng, Dan Li, Jia-Hao Nie et al. · 0 citations
Open access Sep 2026

Acoustic emissions based structural diagnosis technique for steel details

Acoustic emissions (AE) are a non‐destructive testing technique used to detect micro‐cracks and defects in industrial structures, including areas that are difficult to inspect visually. In steel structures, welded joints are particularly critical, as they are prone to damage mechanisms such as yielding and high‐cycle f...

R. Andreotti, G. Zanon, R. di Filippo et al. · 0 citations
Open access Oct 2026

Failure load prediction of different types of tensile carbon-fiber reinforced polymer specimens and vessels

A total of 30 tensile carbon‑fiber‑reinforced polymer (CFRP) specimens and five type‑IV CFRP pressure vessels are tested using acoustic emission (AE) monitoring. Building on previously established approaches, Felicity, Shelby, and signal‑derived ratios are extracted from the AE data and used as input features for a neu...

E. Kästle, A. Ghaznavi, Eric Duffner · 0 citations
Open access Oct 2026

Leakage Detection in Composite Pressure Vessels Type IV Using Acoustic Emission Testing

Composite pressure vessels (CPVs) Type IV, featuring a plastic liner that is fully overwrapped using the filament winding technique, represent the state of the art of pressure vessels on the market. CPVs used for hydrogen storage and transportation may suffer various types of damage, potentially affecting their safe op...

Sina Zolfagharysaravi, Denis Bogomolov, Mikhail Prokofyev et al. · 0 citations

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