Search Results - "FLETCHER, D. I"
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Creep curve measurement to support wear and adhesion modelling, using a continuously variable creep twin disc machine
Published in Wear (15-02-2013)“…Predictive modelling of wear and adhesion at rolling–sliding contacts such as a railway rail and wheel depends on understanding the relationship between slip…”
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2
Modelling and full-scale trials to investigate fluid pressurisation of rolling contact fatigue cracks
Published in Wear (30-10-2008)“…Fluid penetration of cracks has been regarded as an important mechanism of crack growth for inclined surface breaking cracks under contact loading since the…”
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Journal Article Conference Proceeding -
3
Controlled Silanization of Silica Nanoparticles to Stabilize Foams, Climbing Films, and Liquid Marbles
Published in Langmuir (01-11-2011)“…We describe a method for the synthesis of multigram amounts of silica nanoparticles which are controllably hydrophobized to different extents using a room…”
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4
High Internal Phase Emulsions: Catastrophic Phase Inversion, Stability, and Triggered Destabilization
Published in Langmuir (10-01-2012)“…We have investigated the formation, drop sizes, and stability of emulsions prepared by hand shaking in a closed vessel in which the emulsion is in contact with…”
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Selective Retardation of Perfume Oil Evaporation from Oil-in-Water Emulsions Stabilized by Either Surfactant or Nanoparticles
Published in Langmuir (07-12-2010)“…We have used dynamic headspace analysis to investigate the evaporation rates of perfume oils from stirred oil-in-water emulsions into a flowing gas stream. We…”
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6
Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths
Published in Beilstein journal of organic chemistry (23-08-2011)“…A product-scalable, catalytically mediated flow system has been developed to perform Suzuki-Miyaura reactions under a microwave heating regime, in which the…”
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7
Assessment of laser cladding as an option for repairing/enhancing rails
Published in Wear (01-05-2015)“…This paper presents results of testing carried out to assess the wear and RCF performance of laser clad rail. Stronger and harder materials can be laser clad…”
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8
Rail rolling contact fatigue dependence on friction, predicted using fracture mechanics with a three-dimensional boundary element model
Published in Engineering fracture mechanics (01-11-2009)“…Rolling contact fatigue crack growth continues to affect many railways worldwide. It is most often controlled through rail grinding in a preventive maintenance…”
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9
Modelling rail steel microstructure and its effect on crack initiation
Published in Wear (30-10-2008)“…The quality of rail steel has improved greatly in recent years and the material is more resistant to wear, plastic deformation and crack initiation; but track…”
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10
Particles Adsorbed at the Oil−Water Interface: A Theoretical Comparison between Spheres of Uniform Wettability and “Janus” Particles
Published in Langmuir (07-08-2001)“…We consider the adsorption at an oil−water interface of spherical particles of two types. The first type has a homogeneous surface of uniform wettability. The…”
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Water-in-Water Emulsions Based on Incompatible Polymers and Stabilized by Triblock Copolymers–Templated Polymersomes
Published in Langmuir (03-12-2013)“…Aqueous solutions containing a mixture of polyethylene glycol (PEG) and dextran homopolymers form an aqueous two-phase system which can be emulsified to give a…”
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12
Model Study of Enhanced Oil Recovery by Flooding with Aqueous Surfactant Solution and Comparison with Theory
Published in Langmuir (17-03-2015)“…With the aim of elucidating the details of enhanced oil recovery by surfactant solution flooding, we have determined the detailed behavior of model systems…”
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13
Evaporation Rates of Water from Concentrated Oil-in-Water Emulsions
Published in Langmuir (16-03-2004)“…We have investigated the rate of water evaporation from concentrated oil-in-water (o/w) emulsions containing an involatile oil. Evaporation of the water…”
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14
How membrane permeation is affected by donor delivery solvent
Published in Physical chemistry chemical physics : PCCP (28-11-2012)“…We investigate theoretically and experimentally how the rate and extent of membrane permeation is affected by switching the donor delivery solvent from water…”
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15
Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (20-10-2011)“…Diol addition causes phase inversion of the emulsions from water-in-oil (w/o) to oil-in-water (o/w). [Display omitted] ► Diol addition causes emulsion phase…”
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16
Laser cladding of rail; the effects of depositing material on lower rail grades
Published in Wear (15-11-2019)“…This paper presents a study comparing the wear performance of laser clad rails. A grade of martensitic stainless steel (MSS) was deposited on two substrate…”
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17
Growth of Gold Nanoparticle Films Driven by the Coalescence of Particle-Stabilized Emulsion Drops
Published in Langmuir (25-04-2006)“…We have investigated the mechanism of the spontaneous growth of a gold nanoparticle film on a container wall when an aqueous dispersion of gold nanoparticles…”
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18
Measurement of long-range repulsive forces between charged particles at an oil-water interface
Published in Physical review letters (17-06-2002)“…Using a laser tweezers method, we have determined the long-range repulsive force as a function of separation between two charged, spherical polystyrene…”
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19
Three-dimensional modelling of rail steel microstructure and crack growth
Published in Wear (18-05-2011)“…▶ Study of the statistics of 3D microstructures generated using the Voronoi method. ▶ Scaling of generated microstructure using grain size measurements from…”
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Journal Article Conference Proceeding -
20
Influence of Propylene Glycol on Aqueous Silica Dispersions and Particle-Stabilized Emulsions
Published in Langmuir (14-05-2013)“…We have studied the influence of adding propylene glycol to both aqueous dispersions of fumed silica nanoparticles and emulsions of paraffin liquid and water…”
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