Anish Roy
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View article: Advancement and emerging challenges in electric-field assisted manufacturing: a review
Advancement and emerging challenges in electric-field assisted manufacturing: a review Open
Electric-field assisted (EA) manufacturing is a promising hybrid manufacturing technique, offering significant advantages over conventional manufacturing methods. Extensive experimental and numerical studies have demonstrated that the appl…
View article: Effectiveness of pulsed vs continuous electric current field in uniaxial deformation of Ti-6Al-4V
Effectiveness of pulsed vs continuous electric current field in uniaxial deformation of Ti-6Al-4V Open
View article: Comprehensive Assessment of Mechanical Properties of Soft Materials for Predictive Numerical Modelling
Comprehensive Assessment of Mechanical Properties of Soft Materials for Predictive Numerical Modelling Open
View article: Effectiveness of Pulsed vs Continuous Electric Current Field in Uniaxial Deformation of Ti-6al-4v
Effectiveness of Pulsed vs Continuous Electric Current Field in Uniaxial Deformation of Ti-6al-4v Open
View article: Mechanics of ballistic impact with non-axisymmetric projectiles on thin aluminium targets. Part I: Failure mechanisms
Mechanics of ballistic impact with non-axisymmetric projectiles on thin aluminium targets. Part I: Failure mechanisms Open
The ballistic performance of thin aluminium targets under normal and oblique impacts with plate-like projectiles is investigated with emphasis on the local projectile-induced target response. Three projectiles of 5 mm thickness with decrea…
View article: Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy
Hybrid simultaneous laser- and ultrasonic-assisted machining of Ti-6Al-4V alloy Open
The machinability of Ti-6Al-4V alloy has been a constant challenge in the industry, although the material is widely used in the aerospace and medical industries due to its mechanical properties, particularly its strength-to-weight ratio. T…
View article: Hybrid-hybrid turning of micro-SiCp/AA2124 composites: A comparative study of laser-and-ultrasonic vibration-assisted machining
Hybrid-hybrid turning of micro-SiCp/AA2124 composites: A comparative study of laser-and-ultrasonic vibration-assisted machining Open
Machining of micro SiCp/AA2124 composites remains a challenge with conventional machining yielding poor surface quality with high tool wear. In this paper, we study two distinct and unique hybrid machining processes with the aim of improvi…
View article: Mechanics of ballistic impact with non-axisymmetric projectiles on thin aluminium targets. Part II: Energy considerations
Mechanics of ballistic impact with non-axisymmetric projectiles on thin aluminium targets. Part II: Energy considerations Open
In Part I of this study, the ballistic performance and failure mechanisms of a thin aluminium target impacted by plate-like, non-axisymmetric projectiles with three different geometries, were considered using the gas-gun experiments. Failu…
View article: High temperature and strain-rate response of AA2124-SiC metal matrix composites
High temperature and strain-rate response of AA2124-SiC metal matrix composites Open
This paper presents the results of the study of the dynamic impact behaviour of the AA2124-SiC Metal Matrix Composite (MMC) material with different particle reinforcement sizes and qualities using a compressive Split-Hopkinson Pressure Bar…
View article: A study on the effectiveness of explosive reactive armour against the penetration of long-rod projectiles
A study on the effectiveness of explosive reactive armour against the penetration of long-rod projectiles Open
The effect of explosive reactive armour (ERA) on the penetration of a long-rod projectile is investigated using computational techniques. This area of research is especially relevant to main battle tanks as a large portion of them utilise …
View article: Ultrasonically Assisted Cutting of Histological Sections for Reducing the Environmental and Financial Impact of Microtomy
Ultrasonically Assisted Cutting of Histological Sections for Reducing the Environmental and Financial Impact of Microtomy Open
View article: Hybrid-hybrid machining of SiC-reinforced aluminium metal matrix composite
Hybrid-hybrid machining of SiC-reinforced aluminium metal matrix composite Open
A hybrid-hybrid (ultrasonic-assisted + laser-assisted) turning study of silicon carbide reinforced aluminium metal matrix composite is presented. The results show a significant reduction of average cutting force with an improved surface fi…
View article: Challenges and issues in continuum modelling of tribology, wear, cutting and other processes involving high-strain rate plastic deformation of metals
Challenges and issues in continuum modelling of tribology, wear, cutting and other processes involving high-strain rate plastic deformation of metals Open
View article: Effect of nose geometry on penetration capability of non-axisymmetric thin projectiles
Effect of nose geometry on penetration capability of non-axisymmetric thin projectiles Open
Hitherto, studies on impact by non-axisymmetric projectiles with high cross-sectional aspect ratios are limited, yet such cases may occur in a wide range of civil and military applications. A target response to projectiles with such geomet…
View article: High Temperature and Strain-Rate Response of Al-Sic Metal Matrix Composites
High Temperature and Strain-Rate Response of Al-Sic Metal Matrix Composites Open
View article: Ultrasonically assisted turning of micro-SiCp/Al 2124 composite
Ultrasonically assisted turning of micro-SiCp/Al 2124 composite Open
Experimental analysis of conventional turning (CT) and ultrasonically assisted turning (UAT) of two varieties of particulate SiC infused aluminium metal matrix composite (217XG, 225XE) is carried out. The results indicate the amount of tan…
View article: Analysis of delamination of composite laminates via extended finite element method based on the layerwise displacement theory and cohesive zone method
Analysis of delamination of composite laminates via extended finite element method based on the layerwise displacement theory and cohesive zone method Open
Composite laminates are being more employed as fundamental structures due to its low weight and high stiffness. To predict the material response in presence of damage can be demanding due to composite’s complex nature. Hence, superior comp…
View article: A numerical study on influence of strain gradients on lattice rotation in micro-machining of a single crystal
A numerical study on influence of strain gradients on lattice rotation in micro-machining of a single crystal Open
In latest years small scale machining has been widely used in advanced engineering applications such as medical and optical devices, micro- and nano-electro-mechanical systems. In micromachining of metals, a depth of cut becomes usually sm…
View article: Simulations of Machining Processes at Small Spatio-temporal Scales
Simulations of Machining Processes at Small Spatio-temporal Scales Open
Modelling of micromachining is a challenging but much-needed task of modern science and technology era. In this chapter, salient issues related to modelling are illustrated through some case studies of machining of single-crystal material.…
View article: Deformation Characteristics in Micromachining of Single Crystal 6H-SiC: Insight into Slip Systems Activation
Deformation Characteristics in Micromachining of Single Crystal 6H-SiC: Insight into Slip Systems Activation Open
Silicon carbide (SiC) is ideally suitable as a sensor material in harsh environments. Despite the brittleness in the macroscopic scale, plasticity in SiC is observed at small component length-scales. Previous nanoindentation based study co…
View article: Ballistic performance of polyurea-coated thin aluminium plates: numerical study
Ballistic performance of polyurea-coated thin aluminium plates: numerical study Open
Polyurea elastomer exhibits desirable characteristics for impact mitigation, with varying stoichiometric-dependent properties that can be tailored for specific applications and applied to reinforce existing and new structural components. T…
View article: Polyurea-coated glass-fibre-reinforced laminate under high-speed impact: experimental study
Polyurea-coated glass-fibre-reinforced laminate under high-speed impact: experimental study Open
One of the promising methods to increase the resistance of polymer-matrix composite materials to impact damage is the use of protective coatings. In this work, the effect of polyurea coating on impact-performance parameters of a woven glas…
View article: Nanoscale investigation of deformation characteristics in a polycrystalline silicon carbide
Nanoscale investigation of deformation characteristics in a polycrystalline silicon carbide Open
In this paper, we study the mechanical behaviour of silicon carbide at the nanoscale, with a focus on the effects of grain orientation and high-dose irradiation. Grain orientation effect was studied through nanoindentation with the aid of …
View article: Modelling strain localization in Ti–6Al–4V at high loading rate: a phenomenological approach
Modelling strain localization in Ti–6Al–4V at high loading rate: a phenomenological approach Open
A phenomenological approach, based on a combination of a damage mechanism and a crystal plasticity model, is proposed to model a process of strain localization in Ti–6AI–4V at a high strain rate of 10 3 s −1 . The proposed model is first c…
View article: Machinability of natural-fibre-reinforced polymer composites: Conventional vs ultrasonically-assisted machining
Machinability of natural-fibre-reinforced polymer composites: Conventional vs ultrasonically-assisted machining Open
View article: Enhanced machinability of SiC-reinforced metal-matrix composite with hybrid turning
Enhanced machinability of SiC-reinforced metal-matrix composite with hybrid turning Open
View article: Coupling crystal plasticity and continuum damage mechanics for creep assessment in Cr-based power-plant steel
Coupling crystal plasticity and continuum damage mechanics for creep assessment in Cr-based power-plant steel Open
View article: Ice vs. steel: Ballistic impact of woven carbon/epoxy composites. Part II – Numerical modelling
Ice vs. steel: Ballistic impact of woven carbon/epoxy composites. Part II – Numerical modelling Open
View article: Hybrid machining of metal-matrix composite
Hybrid machining of metal-matrix composite Open
Particulate SiC-reinforced aluminium (SiCp/Al) metal matrix composite (MMC) is ideal for various aerospace applications thanks to its improved thermo-mechanical properties. However, conventional machining of this material remains a challen…
View article: Low-cycle fatigue of single crystal nickel-based superalloy – mechanical testing and TEM characterisation
Low-cycle fatigue of single crystal nickel-based superalloy – mechanical testing and TEM characterisation Open