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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Birkett, Martin
Northumbria University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Precision depth-controlled isolated silver nanoparticle-doped diamond-like carbon coatings with enhanced ion release, biocompatibility, and mechanical performancecitations
- 2023Soft diamond-like carbon coatings with superior biocompatibility for medical applicationscitations
- 2023Biocompatible Ti3Au–Ag/Cu thin film coatings with enhanced mechanical and antimicrobial functionalitycitations
- 2023Biocompatible Ti3Au–Ag/Cu thin film coatings with enhanced mechanical and antimicrobial functionalitycitations
- 2022Enhanced mechanical and biocompatibility performance of Ti(1- x )Ag(x) coatings through intermetallic phase modificationcitations
- 2022Thermal activation of Ti(1-x)Au(x) thin films with enhanced hardness and biocompatibility citations
- 2022Tribological Behavior of Microalloyed Cu50Zr50 Alloy
- 2022Tribological Behavior of Microalloyed Cu50Zr50 Alloy
- 2022Mn3Ag(1-x)Cu(x)N antiperovskite thin films with ultra-low temperature coefficient of resistancecitations
- 2022Mn3Ag(1-x)Cu(x)N antiperovskite thin films with ultra-low temperature coefficient of resistancecitations
- 2022Investigating the Thermal and Mechanical Properties of Polyurethane Urea Nanocomposites for Subsea Applications
- 2022Thermal activation of Ti(1-x)Au(x) thin films with enhanced hardness and biocompatibilitycitations
- 2021Mechanical performance of biocompatible Ti-Au thin films grown on glass and Ti6Al4V substrates
- 2021Effect of noble metal (M=Ag, Au) doping concentration on mechanical and biomedical properties of Ti-M matrix thin films co-deposited by magnetron sputtering
- 2019A Numerical and Experimental Study of Adhesively-Bonded Polyethylene Pipelinescitations
- 2018Tuning the antimicrobial behaviour of Cu85Zr15 thin films in “wet” and “dry” conditions through structural modificationscitations
- 2016Mechanical behaviour of adhesively bonded polyethylene tapping teescitations
- 2016Electrical resistivity of CuAlMo thin films grown at room temperature by dc magnetron sputteringcitations
- 2016Resistor trimming geometry; past, present and futurecitations
- 2015Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Productscitations
- 2012Optimization of the deposition and annealing of CuAIMo thin film resistors
- 2008Discrete resistor technologies and potential future advancements
- 2006Effects of annealing on the electrical properties of NiCr vs AlCu thin film resistors prepared by DC magnetron sputtering
Places of action
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document
Investigating the Thermal and Mechanical Properties of Polyurethane Urea Nanocomposites for Subsea Applications
Abstract
Commercial applications of polymer nanocomposites for materials used in offshore settings is continuously touted as a potential solution to expand the material property envelope of polymers used in high pressure and temperature environments. In this regard, polyurethane urea (PUU) has been successfully used in such environments, however, they are limited in terms of their ability to offer multifunctional behavior i.e., thermal conductive behavior with mechanical properties. This gap offers the opportunity for their properties to be enhanced as an advanced multi-functional polymer. Hence, in this study, polyurethane urea/graphene nanocomposites were synthesized using commercial Polyurethane urea (Task 12), and graphene nanoplatelets (GnP). The graphene nanoplatelets were dispersed in one part of the polyurethane urea component using facile dispersion methods. The properties of the new PUU nanocomposite materials were studied using SEM, mechanical and thermal analysis techniques (DMA and Hot Disk), to examine the development of the multifunctional properties in the PUU nanocomposite. Our analysis describes the influence of graphene nanoplatelets at ultra-low concentrations on multi-functional properties of the PUU nanocomposites. The developed nanocomposites recorded a 16% increase in the tensile strength and an 8% increase in the thermal conductive values. The property improvements are credited generally to the high aspect ratio of graphene nanoplatelets, dispersion and filler-polyurethane interactions at the interface. The impartation of multi-functional behavior, in enhancing the thermal conductivity whilst maintaining the mechanical properties makes it a potentially valuable for subsea applications.