A5084184334- Electrodeposition and Electroless Coatings
- Welding Techniques and Residual Stresses
- Corrosion Behavior and Inhibition
- Advanced Surface Polishing Techniques
- Additive Manufacturing and 3D Printing Technologies
- Advanced Machining and Optimization Techniques
- Hydrogen embrittlement and corrosion behaviors in metals
- 3D Printing in Biomedical Research
- Advanced materials and composites
- Gas Sensing Nanomaterials and Sensors
- Transition Metal Oxide Nanomaterials
- Advanced machining processes and optimization
- Ferroelectric and Piezoelectric Materials
- Aluminum Alloy Microstructure Properties
- Bauxite Residue and Utilization
- Metal and Thin Film Mechanics
- TiO2 Photocatalysis and Solar Cells
- High-Velocity Impact and Material Behavior
- Innovative Microfluidic and Catalytic Techniques Innovation
- Minerals Flotation and Separation Techniques
- Aluminum Alloys Composites Properties
- Erosion and Abrasive Machining
- Fluid Dynamics and Mixing
- Bone Tissue Engineering Materials
- Conducting polymers and applications
Cranfield University
2009-2024
Transmission electron microscopy and neutron diffraction have been used to characterize ceramics single crystals from the rhombohedral region of (x = 0.06-0.45) phase diagram. Electron patterns showed existence superlattice reflections type , where h k l, which are not observed by powder diffraction. The analysis these also revealed satellite spots around associated with periodic antiphase boundaries. origin is explained local regions presenting antiparallel cation displacements, models for...
Hydrogels are commonly used materials in tissue engineering and organ-on-chip devices. This study investigated the nanomechanical properties of monolithic multilayered poly(ethylene glycol) diacrylate (PEGDA) hydrogels manufactured using bulk polymerization layer-by-layer projection lithography processes, respectively. An increase number layers (or reduction layer thickness) from 1 to 8 further 60 results a elastic modulus 5.53 1.69 0.67 MPa, It was found that decrease induces lower creep...
Three-dimensional (3D) printed hydrogels fabricated using light processing techniques are poised to replace conventional methods used in tissue engineering and organ-on-chip devices. An intrinsic potential problem remains related structural heterogeneity translated the degree of cross-linking layers. Poly(ethylene glycol) diacrylate (PEGDA) were fabricate both 3D multilayer control monolithic samples, which then analyzed atomic force microscopy (AFM) assess their nanomechanical properties....
AbstractAbstractMetal loss is an unavoidable consequence of the high production melting aluminium and its alloys. Losses must be minimised, for reasons economy to ensure optimum quality cast wrought products. Aluminium losses during casting result primarily from formation dross, a mixture oxide melt. Results are presented initial study aimed at reducing melt through knowledge mechanism by which dross formed. Work has centred on understanding stages in scale growth, growth kinetics,...
The techniques of x-ray diffraction, photoelectron spectroscopy (XPS), Auger analysis, and transmission scanning electron microscopy (TEM) have been applied to the analysis thin films Pb(Zr0.30Ti0.70)O3 (PZT30/70) deposited at low temperatures (510 °C) by a sol–gel process onto Pt/Ti electrodes on SiO2/Si 100 substrates. It is found that platinum film highly oriented with [111] axis perpendicular substrate plane. ferroelectric tends crystallize epitaxially upon this as columnar crystals....
The reaction between N,N-dimethylaminoethanol (dmaeH) and nickel(II) acetylacetonate, [Ni(acac)2]3 or Ni(II) acetate tetrahydrate, [Ni(CH3CO2)2(H2O)4] yields the new complexes [Ni(acac)2(dmaeH)] (1) [Ni(CH3CO2)2(dmaeH)2] (2). Complexes (2) are mononuclear, containing six-coordinate atoms in slightly distorted octahedral environments. Complex contains two bidentate chelating acetylacetonate groups with a dmaeH ligand. monodentate cis configuration ligands. Both dissolve readily to form stable...
This study aims to determine the performance of a commercial corrosion inhibitor (mixture ethanediol, 2-butoxy ethanol, and fatty acid amine) in inhibiting weldment corrosion. The inhibitor's effect on parent metals (PM), heat affected zone (HAZ), weld metal (WM) has been investigated behaviour X65-welded structures brine solution (10 m/s) using submerged jet impingement (SJI) flow loops. results show that inhibitors can reduce rate by 10 times 0.36 mm/y for WM. Linear polarization...
Abstract This work studies the deposition of aluminium-incorporated nickel coatings by brush electroplating, focusing on electroplating setup and processing parameters. The was optimised in order to increase volume particle incorporation. design focused increasing plating solution flow avoid sedimentation, as a result transport experienced three-fold when compared with traditional setup. influence bath load, current density material used investigated. Both have significant impact morphology...
Additive Manufacturing presents unique advantages over traditional manufacturing processes and has the potential to accelerate technical advancement across multiple sectors, permitting far greater freedom in design than conventional manufacturing. However, one barrier which blocks wide adoption is residual stresses, could seriously affect materials’ behaviour during after production. Selective laser sintering (SLS), a process with high energy input workpiece material, induces temperature...
Stainless steel, polymethylmethacrylate and polytetrafluoroethylene coupons were analysed for surface topographical adhesion force characteristics using tapping mode atomic microscopy force-distance techniques. The two polymer materials modified by polishing with silicon carbide papers of known grade. struvite scaling rate was determined each coupon related to the data gained from analysis. correlated well measurements indicating that lower energy scale at a rate. techniques outlined in...
Quantification of liquid-phase plug flow within an oscillatory baffle reactor using the tanks-in-series model.
Metal loss is an unavoidable consequence of the high production melting aluminium and its alloys. Losses must be minimised, for reasons economy to ensure optimum quality cast wrought products. Aluminium losses during casting result primarily from formation dross, a mixture oxide melt. Results are presented initial study aimed at reducing melt through knowledge mechanism by which dross formed. Work has centred on understanding stages in scale growth, growth kinetics, observations subsequent...
Abstract Preferential weld corrosion (PWC) remains a major operational challenge that jeopardizes the integrity of oil and gas carbon steel pipelines. Corrosion inhibition is conventionally used to mitigate this problem however several indications suggest some inhibitors may increase PWC. This work therefore, seeks assess suitability novel submerged jet impingement technique for study flow enhanced preferential inhibitor evaluation in typical offshore production system. A jet-impingement...
Nickel-matrix composite coatings with tungsten carbide particles were produced by brush electroplating using different current densities and materials of the brush. Non-abrasive high produce particle content non-uniform dispersion. Abrasive wear testing showed premature coating failure in areas concentrations (>21.3 at.% W). Changes to solution flow direction undertaken decrease 'solution pooling', as it was related excessive content. This, together use abrasive brushes at lower densities,...