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.

Acoustic emission based investigation on the effect of temperature and hybridization on drop weight impact and post-impact residual strength of hemp and basalt fibres reinforced polymer composite laminates (2019)
Journal Article

© 2019 Elsevier Ltd This paper investigates the effect of temperature and hybridization on the impact damage evolution and post-impact residual strength of hemp/epoxy, basalt/epoxy and their hybrid laminates, using mechanical and acoustic emission (A... Read More about Acoustic emission based investigation on the effect of temperature and hybridization on drop weight impact and post-impact residual strength of hemp and basalt fibres reinforced polymer composite laminates.

Fatigue behaviour of pseudo-ductile unidirectional thin-ply carbon/epoxy-glass/epoxy hybrid composites (2019)
Journal Article

© 2019 The Authors This paper is the first detailed investigation of the fatigue behavior of pseudo-ductile unidirectional (UD)thin-ply interlayer hybrids made of thin-ply carbon/epoxy plies sandwiched between standard thickness glass/epoxy plies und... Read More about Fatigue behaviour of pseudo-ductile unidirectional thin-ply carbon/epoxy-glass/epoxy hybrid composites.

Investigation of transverse residual stresses in a thick pultruded composite using digital image correlation with hole drilling (2019)
Journal Article

© 2019 Elsevier Ltd Process induced residual stresses are one of the main sources of defects such as (pre) mature matrix cracking during pultrusion of fiber reinforced polymer composite profiles. Recently, comprehensive process models have been devel... Read More about Investigation of transverse residual stresses in a thick pultruded composite using digital image correlation with hole drilling.

4D printing self-morphing structures (2019)
Journal Article

© 2019 by the authors. Themain objective of thispaper is to introduce complex structureswith self-bending/morphing/ rolling features fabricated by 4D printing technology, and replicate their thermo-mechanical behaviors using a simple computational to... Read More about 4D printing self-morphing structures.

The high strain rate tension behaviour of pseudo-ductile high performance thin ply composites (2019)
Journal Article

In this study the effect of strain rate in tension on two different types of thin-ply pseudo-ductile laminates is reported. These comprised Unidirectional (UD) and quasi-isotropic (QI) hybrids made from low strain thin-ply carbon/epoxy and high strai... Read More about The high strain rate tension behaviour of pseudo-ductile high performance thin ply composites.

Damage characterization of nano-interleaved CFRP under static and fatigue loading (2019)
Journal Article

© 2019 by the authors. The use of high strength-to-weight ratio-laminated fiber-reinforced composites is emerging in engineering sectors such as aerospace, marine and automotive to improve productivity. Nevertheless, delamination between the layers i... Read More about Damage characterization of nano-interleaved CFRP under static and fatigue loading.

Improvement of the impact properties of composite laminates by means of nano-modification of the matrix-A review (2018)
Journal Article

© 2017 by the authors. This paper reviews recent works on the application of nanofibers and nanoparticle reinforcements to enhance the interlaminar fracture toughness, to reduce the impact induced damage and to improve the compression after impact pe... Read More about Improvement of the impact properties of composite laminates by means of nano-modification of the matrix-A review.

Damage mode identification in transverse crack tension specimens using acoustic emission and correlation with finite element progressive damage model (2018)
Journal Article

© 2018 Elsevier Ltd In this study, damage progression in unidirectional composite specimens is investigated. Transverse Crack Tension specimens are used to stimulate damage in a predetermined progressive sequence. Acoustic Emission (AE) registration... Read More about Damage mode identification in transverse crack tension specimens using acoustic emission and correlation with finite element progressive damage model.

Investigating the pre-damaged PZT sensors under impact traction (2018)
Journal Article

© 2018 by the authors. Ships are usually under vibration, impact, and other kinds of static and dynamic loads. These loads arise from water flow across the hull or surfaces, the propeller cavitation, and so on. For optimal design purposes and reliabl... Read More about Investigating the pre-damaged PZT sensors under impact traction.

Pseudo-ductility of unidirectional thin ply hybrid composites in longitudinal compression (2018)
Presentation / Conference Contribution

The compression response of unidirectional thin-ply carbon (C) standard thickness S-glass (SG) hybrid composites is presented. Gradual failure up to high
strain has been demonstrated for [SG1/(C1/SG1)17] and [SG1/(C2/SG1)17] hybrid configurations. T... Read More about Pseudo-ductility of unidirectional thin ply hybrid composites in longitudinal compression.

Quantifying the delamination of L-shaped composite laminates under low velocity impact using x-ray computed tomography (2018)
Presentation / Conference Contribution

Low velocity impact response and failure behavior of L-shaped composite laminates were investigated. The composite laminates with variable thickness, stacking sequences, and corner radius were manufactured using autoclave manufacturing method. Tests... Read More about Quantifying the delamination of L-shaped composite laminates under low velocity impact using x-ray computed tomography.

Multi-instrument in-situ damage monitoring in quasi-isotropic CFRP laminates under tension (2018)
Journal Article

© 2018 Digital Image Correlation monitoring of the surface strains, microscopic in-situ observations of the micro-damage on the specimen edge and Acoustic Emission (AE) are utilized simultaneously during tension tests of quasi-isotropic carbon fibre... Read More about Multi-instrument in-situ damage monitoring in quasi-isotropic CFRP laminates under tension.

Core–shell PVA/gelatin nanofibrous scaffolds using co-solvent, aqueous electrospinning: Toward a green approach (2018)
Journal Article

© 2018 Wiley Periodicals, Inc. Electrospinning (ES) of gelatin often requires cytotoxic organic solvents or acidic environments, which deteriorate cell recognition sites. In this study, aqueous, non-toxic, co-solvent ES was performed to obtain core–s... Read More about Core–shell PVA/gelatin nanofibrous scaffolds using co-solvent, aqueous electrospinning: Toward a green approach.

Notch insensitive orientation-dispersed pseudo-ductile thin-ply carbon/glass hybrid laminates (2018)
Journal Article

© 2018 Notch sensitivity, free edge delamination and brittle failure are limiting factors for the wider use of conventional composite laminates. In our previous study, a hybrid layup concept with the different materials blocked together but with disp... Read More about Notch insensitive orientation-dispersed pseudo-ductile thin-ply carbon/glass hybrid laminates.

The study of buckling and post-buckling behavior of laminated composites consisting multiple delaminations using acoustic emission (2018)
Journal Article

© 2018 Elsevier Ltd This study introduces a comprehensive set of designed and tested glass/epoxy composites, AE monitoring and signal processing techniques; (i) to investigate the effect of multiple delaminations on buckling and post-buckling behavio... Read More about The study of buckling and post-buckling behavior of laminated composites consisting multiple delaminations using acoustic emission.

Experimental–numerical study on minimizing impact induced damage in laminated composites under low-velocity impact (2017)
Journal Article

© 2017, © The Author(s) 2017. In this study, an experimentally validated numerical analysis was performed toward optimization of stacking sequence in multidirectional laminated composites subjected to low-velocity impact. For this purpose, an optimiz... Read More about Experimental–numerical study on minimizing impact induced damage in laminated composites under low-velocity impact.

Acoustic Emission-Based Methodology to Evaluate Delamination Crack Growth Under Quasi-static and Fatigue Loading Conditions (2017)
Journal Article

© 2017, The Author(s). The aim of this study was to investigate the applicability of acoustic emission (AE) technique to evaluate delamination crack in glass/epoxy composite laminates under quasi-static and fatigue loading. To this aim, double cantil... Read More about Acoustic Emission-Based Methodology to Evaluate Delamination Crack Growth Under Quasi-static and Fatigue Loading Conditions.

Pseudo-ductility and reduced notch sensitivity in multi-directional all-carbon/epoxy thin-ply hybrid composites (2017)
Journal Article

© 2017 The Author(s) Un-notched and notched tensile response and damage accumulation of quasi-isotropic carbon/epoxy hybrid laminates made of ultra-high modulus and intermediate modulus carbon fibre/epoxy thin-ply prepregs were studied. It was confir... Read More about Pseudo-ductility and reduced notch sensitivity in multi-directional all-carbon/epoxy thin-ply hybrid composites.

Do high frequency acoustic emission events always represent fibre failure in CFRP laminates? (2017)
Journal Article

© 2017 Elsevier Ltd When damage in carbon fibre reinforced composites (CFRP) is monitored by acoustic emission (AE), it is a common belief that high frequency AE events originate from fibre failure. This shows that this statement may not correspond... Read More about Do high frequency acoustic emission events always represent fibre failure in CFRP laminates?.