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Keyword: Scanning Electron Microscopy

Total Papers Found: 54

Structure and oxidation resistance of micro-cellular Si–SiC foams derived from natural resins

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Si-SiC composite foams were prepared using tannin-based foams as templates. The foams were prepared by four different methods for the determination of which method would best produce a foam with ...

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Influence of thermal process on microstructural and physical properties of ambient pressure dried hydrophobic silica aerogel monoliths

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Ambient pressure dried hydrophobic silica aerogel monoliths were prepared via simultaneous solvent exchange and surface modification in order to minimize volume shrinkage and density. At room temperature, the obtained silica ...

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Thermal Conductivity and Thermal Diffusivity of Thermoplastic Elastomeric Blends of Styrene Butadiene Rubber/High Density Polyethylene: Effect of Blend Ratio and Dynamic Crosslinking

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Styrene-butadiene (SBR) was added to high-density polyethylene (HDPE) to form a polymer blend. The thermal conductivity and thermal diffusivity of this polymer blend at room temperature were determined at varying ...

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Development of thermal insulating and sound absorbing agro-sourced materials from auto linked flax-tows

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A rigid, self-supporting material derived from flax tow was prepared and its mechanical, thermal, hydrous, and acoustic properties were investigated. The study was performed to determine if this material would ...

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Experimental investigation on thermal and rheological properties of n-octadecane with dispersed TiO2 nanoparticles 

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The thermal and rheological properties of n-octadecane, a phase change material, with dispersed TiO2 nanoparticles were investigated at varying temperatures. The properties were investigated in both the solid and liquid ...

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Structure and properties of rigid foams derived from quebracho tannin

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Rigid foams were prepared using quebracho tannins and their physical and thermal properties were determined experimentally. These properties were then compared to those of rigid foams derived from mimosa tannins ...

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Composition Control and Thermoelectric Properties of Quaternary Chalcogenide Nanocrystals: The Case of Stannite Cu2CdSnSe4

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The authors present a method of producing Cu2CdSnSe4 quaternary nanocrystals using a colloidal synthesis route that could be used for future industrial synthesis. The nanocrystals prepared showed great potential ...

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Thermal conductivity improvement of composite carbon foams based on tannin-based disordered carbon matrix and graphite fillers

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Composite carbon foams were prepared by mixing tannin-based resin with various graphite powders in an effort to improve the thermal conductivity relative to pristine carbon foams in order to use ...

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Experimental determination and fractal modeling of the effective thermal conductivity of autoclaved aerated concrete: Effects of moisture content

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Autoclaved aerated concrete was studied because it has potential to be used in the design of energy-efficient buildings. Three different samples were tested, each with a unique density. Of particular ...

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Novel nanofluids based on mesoporous silica for enhanced heat transfer

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The authors have dispersed mesoporous silica (MPSiO2) nanoparticles in water and determined the thermal conductivity for each of the resulting nanofluids. It was determined that the thermal conductivity of the ...

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