All Outputs (17)

Visual inspection of impact damage in composite materials (2024)
Book Chapter

Visual inspection is one of the most common nondestructive evaluation techniques that is performed through vision. This chapter will summarize visual inspection principles for detecting impact damage in composite materials. Effective parameters and a... Read More about Visual inspection of impact damage in composite materials.

Multiple innovations in characterizing piezoelectric materials (2023)
Presentation / Conference Contribution

Characterisation of piezoelectric materials is a key part. The IEEE standard is the only approach that can produce a full elastopiezodielectric matrix. However, it requires multiple samples. This often involves difficulties preparing the samples for... Read More about Multiple innovations in characterizing piezoelectric materials.

Non-contact characterisation of piezoelectric materials (2023)
Presentation / Conference Contribution

Piezoelectric materials play a key role in various technological applications owing to their unique elastic-piezoelectric-dielectric (EPD) properties, often represented in matrix form. Traditional methods for obtaining these properties, as defined by... Read More about Non-contact characterisation of piezoelectric materials.

Multivariable signal processing for characterization of failure modes in thin-ply hybrid laminates using acoustic emission sensors (2023)
Journal Article

The aim of this study was to find the correlation between failure modes and acoustic emission (AE) events in a comprehensive range of thin-ply pseudo-ductile hybrid composite laminates when loaded under uniaxial tension. The investigated hybrid lamin... Read More about Multivariable signal processing for characterization of failure modes in thin-ply hybrid laminates using acoustic emission sensors.

Smart hybrid composite sensor technology to enhance the detection of low energy impact damage in composite structures (2023)
Journal Article

This paper introduces novel structural health monitoring (SHM) sensors to improve the detection of low energy impact damage in laminated composites. The sensor is a purposely designed thin-ply hybrid composite, composed of a layer of unidirectional S... Read More about Smart hybrid composite sensor technology to enhance the detection of low energy impact damage in composite structures.

Investigating the fatigue behaviour of quasi-isotropic pseudo-ductile thin-ply carbon/glass epoxy hybrid composites (2022)
Journal Article

This paper investigates the fatigue behaviour of pseudo-ductile Quasi-Isotropic (QI) interlayer hybrids with un-notched and open-hole configurations. Two different types of QI pseudo-ductile hybrids were evaluated; HighC, with carbon to glass thickne... Read More about Investigating the fatigue behaviour of quasi-isotropic pseudo-ductile thin-ply carbon/glass epoxy hybrid composites.

Detection of barely visible impact damage in polymeric laminated composites using a biomimetic tactile whisker (2021)
Journal Article

This is a novel investigation on the possibility of detecting barely visible impact damage (BVID) in composite materials by whisking across the surface via tactile whisker sensors that resemble rats' whiskers. A series of drop tower low-velocity impa... Read More about Detection of barely visible impact damage in polymeric laminated composites using a biomimetic tactile whisker.

Autonomous damage recognition in visual inspection of laminated composite structures using deep learning (2021)
Journal Article

This study proposes the exploitation of deep learning for quantitative assessment of visual detectability of different types of in-service damage in laminated composite structures such as aircraft and wind turbine blades. A comprehensive image-based... Read More about Autonomous damage recognition in visual inspection of laminated composite structures using deep learning.

Fiber reinforced polymer composites in bridge industry (2021)
Journal Article

This paper presents a concise state-of-the-art review on the use of Fiber Reinforced Polymers (FRPs) in bridge engineering. The paper is organized into commonly used FRP bridge components, and different materials/manufacturing techniques used for rep... Read More about Fiber reinforced polymer composites in bridge industry.

Investigating the effect of interface morphology in adhesively bonded composite wavy-lap joints (2021)
Journal Article

Joints and interfaces are one of the key aspects of the design and production of composite structures. This paper investigates the effect of adhesive–adherend interface morphology on the mechanical behavior of wavy-lap joints with the aim to improve... Read More about Investigating the effect of interface morphology in adhesively bonded composite wavy-lap joints.

Achieving robust acoustic emission-based damage characterization of scaled laminated composites under indentation (2021)
Journal Article

This paper presents a novel investigation on the robustness of Acoustic Emission (AE) technique on the characterization of indentation-induced Damage Mechanisms (DMs) in scaled laminated composites. AE is used to monitor a comprehensive series of sca... Read More about Achieving robust acoustic emission-based damage characterization of scaled laminated composites under indentation.

Effect of the stacking sequence on the impact response of carbon-glass/epoxy hybrid composites (2020)
Journal Article

This paper investigates low-velocity impact response of Quasi Isotropic (QI) hybrid carbon/glass fiber reinforced polymer composites with alternate stacking sequences. Cross-ply woven carbon and glass fibers were used as reinforcing materials to fabr... Read More about Effect of the stacking sequence on the impact response of carbon-glass/epoxy hybrid composites.

A comparative study on glass and carbon fibre reinforced laminated composites in scaled quasi-static indentation tests (2020)
Journal Article

This paper investigates the effect of fibre properties of composite structures on the mechanical performance and formation of low-velocity impact damage. Quasi-static indentation tests were conducted on a comprehensive set of scaled Quasi Isotropic (... Read More about A comparative study on glass and carbon fibre reinforced laminated composites in scaled quasi-static indentation tests.

High-performance bio-inspired composite T-joints (2019)
Journal Article

© 2019 Elsevier Ltd This paper introduces a novel bio-inspired design strategy based on the optimised topology of bird bone's joint to improve the strength-to-weight ratio and damage tolerance of composite T-joints. Better structuring the constituent... Read More about High-performance bio-inspired composite T-joints.

Investigating polyethersulfone interleaved Glass/Carbon hybrid composite under impact and its comparison with GLARE (2019)
Journal Article

A tough polyethersulfone (PES) membrane was utilized as a novel reinforcement to improve impact performance of a carbon/glass hybrid composite. The hybrid composite was made of a glass fibre/epoxy block that was sandwiched between two carbon fibre/ep... Read More about Investigating polyethersulfone interleaved Glass/Carbon hybrid composite under impact and its comparison with GLARE.

Finite element modelling of composite materials under impact loading, challenges and potential ways forward
Presentation / Conference Contribution

Despite the high performance of composite materials, they have an Achilles' heel in their susceptibility to impact damage, causing barely visible impact damage (BVID) and catastrophic failure at low loads. BVID significantly affects the performance a... Read More about Finite element modelling of composite materials under impact loading, challenges and potential ways forward.

Detection of barely visible impact damage using a smart hybrid composite surface layer
Presentation / Conference Contribution

An important and yet unsolved limitation of existing composite laminates is their susceptibility to impact damage. The ability to visually detect damage from impact events is a common concern for carbon/epoxy composite laminates, particularly because... Read More about Detection of barely visible impact damage using a smart hybrid composite surface layer.