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View article: Fabrication and inkjet printing of manganese oxide electrodes for energy storage
Fabrication and inkjet printing of manganese oxide electrodes for energy storage Open
Inkjet printing of nanoparticle inks is rising method for fabricating energy storage electrodes and is driven by the demand for supercapacitors and flexible batteries for wearables. The process can be optimized on two fronts, the printing …
View article: Effect of geometry on the coefficient of performance of Ni–Ti elastocaloric parts manufactured via powder bed fusion
Effect of geometry on the coefficient of performance of Ni–Ti elastocaloric parts manufactured via powder bed fusion Open
This study investigates the greater coefficient of Performance (COP) exhibited by the Ni–Ti lattice geometry (LS) over the solid geometry (SS) for solid-state heating and cooling. The LS's advantageous COP can be attributed to factors incl…
View article: Post-fabrication adjustment of metalloid Mg–C-graphene nanoparticles via Pulsed Laser Ablation for paper electronics and process optimisation
Post-fabrication adjustment of metalloid Mg–C-graphene nanoparticles via Pulsed Laser Ablation for paper electronics and process optimisation Open
Metalloid nanoparticles (MNPs) possess unique physicochemical properties but are challenging to create through biological or chemical routes. Using Pulsed Laser Ablation in Liquid (PLAL), Mg–C MNPs are fabricated from powders. The produced…
View article: Parametric investigation of ultrashort pulsed laser surface texturing on aluminium alloy 7075 for hydrophobicity enhancement
Parametric investigation of ultrashort pulsed laser surface texturing on aluminium alloy 7075 for hydrophobicity enhancement Open
Hydrophobicity plays a pivotal role in mitigating surface fouling, corrosion, and icing in critical marine and aerospace environments. By employing ultrafast laser texturing, the characteristic properties of a material’s surface can be mod…
View article: Biofouling and Corrosion Protection of Aluminum Alloys Through Ultrafast Laser Surface Texturing for Marine Applications
Biofouling and Corrosion Protection of Aluminum Alloys Through Ultrafast Laser Surface Texturing for Marine Applications Open
Surface biofouling, corrosion, and wettability are important parameters to understand and characterize aluminum alloys to prevent the failure in marine environments. Antifouling technologies predominantly encompass chemical and biocidal ap…
View article: Investigation on Optical Absorption and Reflection of Carbon Nanotubes Mixed Copper Composites for Laser Sintering Process Improvement
Investigation on Optical Absorption and Reflection of Carbon Nanotubes Mixed Copper Composites for Laser Sintering Process Improvement Open
Selective laser sintering (SLS) of copper components manufactured via powder metallurgy is widely studied due to minimal material wastage. However, copper has poor optical absorption when exposed to infrared (IR) lasers, such as in laser-b…
View article: A review of physical, chemical and biological synthesis methods of bimetallic nanoparticles and applications in sensing, water treatment, biomedicine, catalysis and hydrogen storage
A review of physical, chemical and biological synthesis methods of bimetallic nanoparticles and applications in sensing, water treatment, biomedicine, catalysis and hydrogen storage Open
This article provides an in-depth analysis of various fabrication methods of bimetallic nanoparticles (BNP), including chemical, biological, and physical techniques. The review explores BNP's diverse uses, from well-known applications such…
View article: Bimetallic oxide Mg-Cu nanoparticles synthesis and application in photometric sensing of trypsin in the presence of tap water, ammonia, and glutamine
Bimetallic oxide Mg-Cu nanoparticles synthesis and application in photometric sensing of trypsin in the presence of tap water, ammonia, and glutamine Open
The concentration of biomolecules such as trypsin and ammonia in bodily fluids are indicators of health conditions including pancreatic diseases and acute liver failure respectively. The maximum UV-Visible intensity and wavelength shifts o…
View article: Tailored CuCl2 nanoparticles for glutamine and ammonia biochemical sensing applications
Tailored CuCl2 nanoparticles for glutamine and ammonia biochemical sensing applications Open
In this study, CuCl2 nanoparticles (NPs) synthesised via pulsed laser ablation in liquid (PLAL) were successfully employed to simultaneously detect glutamine and ammonia, with a limit of detection of 20Â nM and up to 1500Â ppm, respectivel…
View article: Analysis of nitinol actuator response under controlled conductive heating regimes
Analysis of nitinol actuator response under controlled conductive heating regimes Open
In the last few decades, Nitinol (NiTi) actuators have created a massive impact at the commercial level due to their application in various engineering and medical fields. In this paper, an experimental analysis study is presented on comme…
View article: Multi-Messenger Radio Frequency and Optical Diagnostics of Pulsed Laser Ablation Processes
Multi-Messenger Radio Frequency and Optical Diagnostics of Pulsed Laser Ablation Processes Open
In this report, a novel non-contact, non-invasive methodology for near and quasi real-time measurement of the structuring of metal surfaces using pulsed laser ablation is described. This methodology is based on the use of a multi-messenger…
View article: Silver Nano-Colloid Characterization for Printing Application
Silver Nano-Colloid Characterization for Printing Application Open
Silver nano-colloids have been generated via Laser Ablation Synthesis in Solution (LASiS) system. Nanoparticle formation with particle size below 50 nm in DI water was confirmed using UV-VIS spectroscopy, Dynamic Light Scattering (DLS) tec…
View article: Additive-free silver nanoparticle ink development using flow-based Laser Ablation Synthesis in Solution and Aerosol Jet printing
Additive-free silver nanoparticle ink development using flow-based Laser Ablation Synthesis in Solution and Aerosol Jet printing Open
Additive free conductive ink formulation via green techniques and its direct printing is critical for many applications including smart electronics, solar cells, healthcare and electrochemical energy storage. The available printable ink ge…
View article: Investigating the morphology, hardness, and porosity of copper filters produced via Hydraulic Pressing
Investigating the morphology, hardness, and porosity of copper filters produced via Hydraulic Pressing Open
This paper presents an examination of the production of copper air filters via the Hydraulic Pressing (HP) method.
\nProcessing conditions examined included powder particle type (spherical and dendritic), varying compaction
\npressures (63…
View article: A Review of Polylactic Acid as a Replacement Material for Single-Use Laboratory Components
A Review of Polylactic Acid as a Replacement Material for Single-Use Laboratory Components Open
Every year, the EU emits 13.4 Mt of CO2 solely from plastic production, with 99% of all plastics being produced from fossil fuel sources, while those that are produced from renewable sources use food products as feedstocks. In 2019, 29 Mt …
View article: Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion
Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion Open
Poor surface quality of Additively Manufactured (AM) components, can greatly increase the overall cost and lead time of high-performance components. Examples are medical devices where surfaces may contact the patient’s skin and hence need …
View article: In-situ sensing, process monitoring and machine control in Laser Powder Bed Fusion: A review
In-situ sensing, process monitoring and machine control in Laser Powder Bed Fusion: A review Open
Process monitoring and sensing is widely used across many industries for quality assurance, and for increasing machine uptime and reliability. Though still in the emergent stages, process monitoring is beginning to see strong adoption in t…
View article: Silver and Copper nano-colloid generation via Pulsed Laser Ablation in Liquid: Recirculation nanoparticle production mode
Silver and Copper nano-colloid generation via Pulsed Laser Ablation in Liquid: Recirculation nanoparticle production mode Open
Metal nanoparticles have unique chemical, physical, electrical, and optical properties that make them attractive for a wide range of applications in sensing, anti-fouling surfaces, medicine, and conductive inks. Pulsed Laser Ablation in Li…
View article: 316L Stainless Steel Powders for Additive Manufacturing: Relationships of Powder Rheology, Size, Size Distribution to Part Properties
316L Stainless Steel Powders for Additive Manufacturing: Relationships of Powder Rheology, Size, Size Distribution to Part Properties Open
Laser-Powder Bed Fusion (L-PBF) of metallic parts is a highly multivariate process. An understanding of powder feedstock properties is critical to ensure part quality. In this paper, a detailed examination of two commercial stainless steel…
View article: Ti6Al4V functionally graded material via high power and high speed laser surface modification
Ti6Al4V functionally graded material via high power and high speed laser surface modification Open
This study investigates the fabrication of Ti6Al4V functionally graded material via high power and high speed laser surface modification (LSM). The original sample microstructures consisted of elongated equiaxed α phase with a grain bounda…
View article: Comprehensive assessment of spatter material generated during selective laser melting of stainless steel
Comprehensive assessment of spatter material generated during selective laser melting of stainless steel Open
Laser-powder interaction and meltpool dynamics govern the physics behind the selective laser melting process. Spattering is an unavoidable phenomenon taking place during the process which is known to influence the integrity of the interact…
View article: Laser Polishing of Additive Manufactured 316L Stainless Steel Synthesized by Selective Laser Melting
Laser Polishing of Additive Manufactured 316L Stainless Steel Synthesized by Selective Laser Melting Open
One of the established limitations of metal additive manufacturing (AM) methods, such as selective laser melting (SLM), is the resulting rough surface finish. Laser polishing is one method that can be used to achieve an improved surface fi…
View article: Laser welding of polypropylene using two different sources
Laser welding of polypropylene using two different sources Open
In this paper, laser weldability of neutral polypropylene has been investigated using fibre and carbon dioxide lasers. A design of experiment (DoE) was conducted in order to establish the influence of the main working parameters on the wel…