Ian Hamerton
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View article: Results of pre-flight tests of a novel cyanate ester laminate before exposure to low earth orbit
Results of pre-flight tests of a novel cyanate ester laminate before exposure to low earth orbit Open
View article: Examining the effects of simulated low earth orbit on the viscoelasticity and strain behaviour of deployable polybenzoxazine nanocomposites
Examining the effects of simulated low earth orbit on the viscoelasticity and strain behaviour of deployable polybenzoxazine nanocomposites Open
View article: Improving Adhesion of UHMWPE with Epoxy Matrix by Reactive Ion Etching of UHMWPE Using Ar–O <sub>2</sub> Plasma and the Effects of Plasma on Adhesion at the Micro- and Macroscale
Improving Adhesion of UHMWPE with Epoxy Matrix by Reactive Ion Etching of UHMWPE Using Ar–O <sub>2</sub> Plasma and the Effects of Plasma on Adhesion at the Micro- and Macroscale Open
Ultrahigh molecular weight polyethylene (UHMWPE) fibers offer an excellent range of mechanical properties, but their applications in composites are limited due to their inert surface, which limits matrix wetting. This study employs reactiv…
View article: Double-diaphragm forming of highly aligned short-fibre preforms for complex composite parts
Double-diaphragm forming of highly aligned short-fibre preforms for complex composite parts Open
View article: Toughened, liquid processable benzoxazine/sepiolite nanocomposites – A comprehensive study
Toughened, liquid processable benzoxazine/sepiolite nanocomposites – A comprehensive study Open
View article: Characterization of Unidirectional Aligned Discontinuous Fiber Reinforced Composites Containing a Toughened Epoxy Resin Produced Using the <scp>HiPerDiF</scp> Process
Characterization of Unidirectional Aligned Discontinuous Fiber Reinforced Composites Containing a Toughened Epoxy Resin Produced Using the <span>HiPerDiF</span> Process Open
Aligned discontinuous fiber reinforced composites (ADFRC) offer promising applications due to their manufacturability and tailorable mechanical properties. In this study, the high performance discontinuous fiber (HiPerDiF) technology is us…
View article: Environmental Effects of Moisture and Elevated Temperatures on the Mode I and Mode II Interlaminar Fracture Toughness of a Toughened Epoxy Carbon Fibre Reinforced Polymer
Environmental Effects of Moisture and Elevated Temperatures on the Mode I and Mode II Interlaminar Fracture Toughness of a Toughened Epoxy Carbon Fibre Reinforced Polymer Open
The use of composite materials within extreme environments is an exciting frontier in which a wealth of cutting-edge developments have taken place recently. Although there is vast knowledge of composites’ behaviour in standard room tempera…
View article: Modelling the tensile behaviour of aligned discontinuous carbon fibre thermoplastic matrix composites under processing conditions
Modelling the tensile behaviour of aligned discontinuous carbon fibre thermoplastic matrix composites under processing conditions Open
View article: Finite element simulation of novel Polybenzoxazine-Carbon fibre composites prior to Low Earth Orbit: A comparative analysis of mechanical properties
Finite element simulation of novel Polybenzoxazine-Carbon fibre composites prior to Low Earth Orbit: A comparative analysis of mechanical properties Open
View article: Modified Sepiolite Nanoclays in Advanced Composites for Engineering Applications
Modified Sepiolite Nanoclays in Advanced Composites for Engineering Applications Open
Clay-polymer nanocomposites (CPNs) containing a small weight fraction of nanoclay are known to display enhanced mechanical and thermal properties compared to neat polymers. However, the preparation and application of such nanocomposites re…
View article: A Review on the Modelling of Aligned Discontinuous Fibre Composites
A Review on the Modelling of Aligned Discontinuous Fibre Composites Open
Aligned discontinuous fibre-reinforced composites are becoming more popular because they have the potential to offer stiffness and strength comparable to their continuous counterparts along with better manufacturability. However, the model…
View article: Taking a Tailored Approach to Material Design: A Mechanistic Study of the Selective Localization of Phase-Separated Graphene Microdomains
Taking a Tailored Approach to Material Design: A Mechanistic Study of the Selective Localization of Phase-Separated Graphene Microdomains Open
To achieve multifunctional properties using nanocomposites, selectively locating nanofillers in specific areas by tailoring a mixture of two immiscible polymers has been widely investigated. Forming a phase-separated structure from entirel…
View article: Mechanical Behaviour of As-Manufactured and Repaired Aligned Discontinuous Basalt Fibre-Reinforced Vitrimer Composites
Mechanical Behaviour of As-Manufactured and Repaired Aligned Discontinuous Basalt Fibre-Reinforced Vitrimer Composites Open
The aim of this research is to investigate basalt as a natural mineral-based fibre together with a vitrimeric resin as a sustainable alternative to standard composite materials. Vitrimers combine the properties of thermoset and thermoplast…
View article: Bicontinuous silica-epoxy nanocomposites by aerogel infusion
Bicontinuous silica-epoxy nanocomposites by aerogel infusion Open
Interpenetrated, bicontinuous nanocomposites are formed by fully infusing monolithic mesoporous silica (silica aerogel) with epoxy resin. The long-range connectivity of the silica network facilitates direct load transfer and enforces sampl…
View article: Physical and mechanical properties of nano-modified polybenzoxazine nanocomposite laminates: Pre-flight tests before exposure to low Earth orbit
Physical and mechanical properties of nano-modified polybenzoxazine nanocomposite laminates: Pre-flight tests before exposure to low Earth orbit Open
Polybenzoxazine (PBZ) formulations based on commercial components and modified with polyhedral oligomeric silsesquioxanes (POSS, 5 wt.% and 10 wt.%) have been scaled up for industrialisation, and their processing characteristics determined…
View article: High performance ductile and pseudo-ductile polymer matrix composites: A review
High performance ductile and pseudo-ductile polymer matrix composites: A review Open
The ability of fibre reinforced composites to deform with a non-linear stress–strain response and gradual, rather than sudden, catastrophic failure is reviewed. The principal mechanisms by which this behaviour can be achieved are discussed…
View article: Pseudo-ductile behaviour of fibrous composite Z-pins
Pseudo-ductile behaviour of fibrous composite Z-pins Open
This paper describes the development and characterisation of a novel type of composite Z-pin able to accommodate large deformation without exhibiting fibre failure. Three types of pseudo-ductile Z-pins are fabricated by means of micro-pult…
View article: Improving Adhesion of UHMWPE with Epoxy Matrix by Reactive Ion Etching of UHMWPE Using Ar-O2 Plasma and the Effects of Plasma on Adhesion at the Micro and Macro Scale
Improving Adhesion of UHMWPE with Epoxy Matrix by Reactive Ion Etching of UHMWPE Using Ar-O2 Plasma and the Effects of Plasma on Adhesion at the Micro and Macro Scale Open
View article: Introduction to sustainable composites
Introduction to sustainable composites Open
Professor Ian Hamerton, Dr Lois Jane Hobson & Dr Jonathan Wagner introduce the Royal Society of Chemistry cross-journal themed collection on sustainable composites.
View article: Novel cellular coil design for improved temperature uniformity in inductive heating of carbon fibre composites
Novel cellular coil design for improved temperature uniformity in inductive heating of carbon fibre composites Open
Electromagnetic induction has great potential for energy efficient manufacturing of polymer composites. Carbon fibre can be directly heated inductively, achieving rapid, localised, and volumetric heating. The main obstacle to wider adaptio…
View article: Development of cyanate ester-oligosiloxane copolymers for deployable satellite applications
Development of cyanate ester-oligosiloxane copolymers for deployable satellite applications Open
Binary blends of an α,ω-hydroxyoligosiloxane (with degree of polymerization, n = 39) with an oligomeric cyanate ester (Primaset™ PT-30, 1) are prepared as microphase separated, monolithic samples. The uncured blends display complex viscosi…
View article: Non-destructive evaluation of the curing of a polybenzoxazine nanocomposite blend for space applications using fluorescence spectroscopy and predictive mechanical modelling
Non-destructive evaluation of the curing of a polybenzoxazine nanocomposite blend for space applications using fluorescence spectroscopy and predictive mechanical modelling Open
In this study, we employ fluorescence spectroscopy to monitor the curing process of a novel polybenzoxazine (PBZ) resin blend containing a polyhedral oligomeric silsesquioxane (POSS) reagent in a non-destructive way and compare it with the…
View article: Properties and Curing Kinetics of a Processable Binary Benzoxazine Blend
Properties and Curing Kinetics of a Processable Binary Benzoxazine Blend Open
A benzoxazine system is presented combining liquid cardanol-based benzoxazine (CA-a) and an effective initiator (3,3'-thiodipropionic acid, TDA) to bisphenol A-based benzoxazine (BA-a). The resultant mixture of monomeric precursors shows e…
View article: Multi-matrix continuously-reinforced composites: A novel route to sustainable repair of composite structures
Multi-matrix continuously-reinforced composites: A novel route to sustainable repair of composite structures Open
The worldwide increase of composites usage is accompanied by an equal increase of composite waste. While there are many reasons for discarding composite components, a primary reason is damage, with interlaminar failure being particularly c…
View article: Recycling of carbon fibre reinforced polymer composites with superheated steam – A review
Recycling of carbon fibre reinforced polymer composites with superheated steam – A review Open
This paper reviews the published research pertaining to the use of superheated steam for carbon fibre reinforced polymer (CFRP) composite reclamation. Superheated steam has been used for this purpose for around a decade and was initially i…
View article: Examining the Quasi-Static Uniaxial Compressive Behaviour of Commercial High-Performance Epoxy Matrices
Examining the Quasi-Static Uniaxial Compressive Behaviour of Commercial High-Performance Epoxy Matrices Open
Four commercial high-performance aerospace aromatic epoxy matrices, CYCOM®890, CYCOM®977-2, PR520, and PRISM EP2400, were cured to a standardised 2 h, 180 °C cure cycle and evaluated in quasi-static uniaxial compression, as well as by dyna…
View article: Evaluation of healable epoxy matrices as covalent adaptive networks in uniaxial compression
Evaluation of healable epoxy matrices as covalent adaptive networks in uniaxial compression Open
View article: Manufacturing Multi-Matrix Composites: Out-of-Vacuum Bag Consolidation
Manufacturing Multi-Matrix Composites: Out-of-Vacuum Bag Consolidation Open
The formation of porosity is a major challenge in any composite manufacturing process, particularly in the absence of vacuum assistance. Highly localized injection of polymer matrix into regions of interest in a dry preform is a route to m…
View article: Exploiting the use of deep learning techniques to identify phase separation in self-assembled microstructures with localized graphene domains in epoxy blends
Exploiting the use of deep learning techniques to identify phase separation in self-assembled microstructures with localized graphene domains in epoxy blends Open
In this study for the first time, convolutional neural networks (CNN) are applied to identify phase-separated microstructures in a novel nano-modified polymer composite. The input data consist of a mixed labelled dataset of homogeneous mic…
View article: Experimental and hydrodynamic methods to determine aqueous dispersion of discontinuous reclaimed carbon fibres
Experimental and hydrodynamic methods to determine aqueous dispersion of discontinuous reclaimed carbon fibres Open
In this study, the dispersion of reclaimed carbon fibres following cost-effective surface treatment is explored with a hydrodynamic fibre moving model, and a practical fibre dispersion effect is investigated through various physical disper…