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Keyword: Scanning Electron Microscope

Total Papers Found: 15
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Thermal Characterization of Lauric–Stearic Acid/Expanded Graphite Eutectic Mixture as Phase Change Materials

Author(s): , , ,

Expanded graphite (EG) was added to lauric acid (LA)-stearic acid (SA) phase change materials to enhance their thermal conductivities. The PCMs were prepared in varying mass fractions of LA ...

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Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Author(s): , , , ,

Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally.  It was found that ...

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Processing of polyurethane/carbon nanotubes composites using novel minimixer

Author(s): , , , , , , ,

Polytetramethylene ether glycol (PTMEG) was used to functionalize multi-walled carbon nanotube (MWNT) by grafting to produce MWNT-g-PTMEG. These functionalized nanotubes were then dispersed in thermoplastic polyurethane (TPU) to form a ...

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Thermal energy storage performance of paraffin-based composite phase change materials filled with hexagonal boron nitride nanosheets

Author(s): , , , , , , , , ,

A paraffin-based composite phase change material (PCM) was prepared by the addition of hexagonal boron nitride (h-BN) nanosheets to melted paraffin wax followed by vigorous stirring. The nanosheets were added ...

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CO2-blown microcellular non-isocyanate polyurethane (NIPU) foams: from bio- and CO2-sourced monomers to potentially thermal insulating materials

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Low-density microcellular non-isocyanate polyurethane (NIPU) foams were prepared using biological compounds and carbon dioxide. The morphology of these foams was investigated by scanning electron microscopy (SEM), and the thermal conductivity ...

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Corrosion Behavior and Thermal Conductivity of Plasma Sprayed AlN/Al2O3 Coating

Author(s): , ,

Composite spray coatings containing Al2O3 and AlN were prepared and their tensile bonding strength, microhardness, corrosion behavior and thermal conductivity were compared to those of pure Al2O3. The ...

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Microstructural and thermophysical properties of U–6 wt.%Zr alloy for fast reactor application

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Thermophysical properties of a uranium-6 wt. % zirconium alloy were investigated at high temperatures to evaluate the performance of the alloy as a driver fuel for a liquid-metal cooled fast reactor. ...

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Porous thermal insulation materials derived from fly ash using a foaming and slip casting method         

Author(s): , , , , ,

Coal fly ash was used as the base material for the formation of thermal insulation materials. The porosity of the produced materials ranged from 86.3-94.5 vol. %. The insulating materials were ...

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Composites of Sulfonated Polystyrene-block-Poly (ethylene-ran-butylene)-block-Polystyrene and Graphite-Polyoxometalate: Preparation, Thermal and Electrical Conductivity

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Sulfonated polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene (SPSPB) was used as a polymer matrix to create polymeric nanocomposites using graphite (G) and graphite-polyoxometalate (G-POM) as fillers. It was found that the nanocomposites had ...

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Enhanced thermal and mechanical properties of epoxy composites filled with silver nanowires and nanoparticles

Author(s): , , , , , ,

The authors have investigated the use of silver nanomaterials as a filler in epoxy resin in an effort to identify a composite resin with a high thermal conductivity for application ...

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