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Recommended Papers for: Scanning Electron Microscopy (SEM)

Total Papers Found: 87

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

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 be a viable option for use as a biodegradable thermal and acoustic insulation in walls. The effect of flax-tow size after grinding on these properties was also investigated. It was determined that increasing the flax-tow size resulted in a reduction ...

Author(s): , , , , ,

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

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 phases, with varying mass fractions of TiO2 nanoparticles. The thermal conductivity was found to be enhanced in all of the composite samples when compared to the thermal conductivity of pure n-octadecane, and the maximum enhancement occurred at 3 wt. % TiO2 in ...

Author(s): , , , , ,

Effect of vinyl-modified silica and raw silica particles on the properties of as-prepared polymer-silica nanocomposite foams

This research studied the effect of the addition of vinyl-modified silica and raw silica additions to polymer-silica nanocomposite foams. Extensive physical property characterization was undertaken after their addition to quantify their influence. TEM found that silica particles added through the vinyl-modified silica dispersed better than the raw silica. This created foams with a higher density and smaller cell size. A slight reduction in the thermal conductivity after the additions was ...

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Structure and properties of rigid foams derived from quebracho tannin

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 and pine tannins to determine if the nature of the flavonoid affects the properties of the foams. It was found that the preparation of the quebracho tannin-based foams involved the same formulation as that of mimosa tannin-based foams, whereas the ...

Author(s): , , , ,

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

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 for use as a thermoelectric material due to their high thermoelectric figure of merit (up to 0.71) resulting from a high electrical conductivity and low thermal conductivity. The authors believed that these properties could be further tuned in order to increase ...

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