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Recommended Papers for: Scanning Electron Microscopy

Total Papers Found: 77

Thermal properties of the optically transparent pore-free nanostructured yttria-stabilized zirconia

Yttria-stabilized zirconia (YSZ) was synthesized by the spark plasma sintering process to generate pore-free, homogenous bulk samples that were then tested for thermal conductivity, which was measured by two separate methods: TPS and LFT. The TPS method was found to be better for measuring of thermal conductivity in this specific case. Using the phonon-hopping model (PHM) the authors were able to determine how grain boundaries of the bulk samples affected ...

Author(s): , , , ,

Microstructure and Thermal Conductivity of Hydrated Calcium Silicate Board Materials

Two calcium silicate boards of different densities, porosities and pore size were analyzed for their thermal properties, specifically thermal conductivity. The boards were heated from room temperature to 400°C and the thermal conductivity was monitored during this time. A separate experiment 'aged' the boards first by heating at 1000°C for 4 hours before testing the thermal conductivity from room temperature to 400°C once again. The experimental results were compared with three ...

Author(s): , ,

Influence of core materials on thermal properties of melamine-formaldehyde microcapsules

A series of melamine-formaldehyde microcapsules were synthesized using an in-situ polymerization and subsequently characterized for their thermal and structural properties. SEM and FT-IR were used to investigate the structural properties and DSC and TGA were used to investigate the thermal properties. The authors concluded that the thermo-physical properties of the microcapsules were related to the synthesis conditions and the core content of the capsules....

Author(s): ,

Synergetic effects of graphene platelets and carbon nanotubes on the mechanical and thermal properties of epoxy composites

The authors observed a remarkable synergistic effect when they used multi-graphene platelets (MGPs) and multi-walled carbon nanotubes (MWCNTs) together in an epoxy composite. The use of these two fillers together increased the tensile strength, thermal conductivity, solubility and compatibility relative to the various individual components. The 1D nanotubes inhibit the aggregation/stacking of the platelets and thus result in high contact area between MGP/MWCNT and the polymer matrix....

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

Thermal Conductivity of High Temperature Multicomponent Materials with Phase Change

The authors created a series of composite latent storage materials (CLSM) using expanded graphite (EG) and a two different metal nitrate phase change materials (K and Li, K and Na). The steady-state comparative method was used in order to measure thermal conductivities because it was deemed the best technique. Properties investigated that were related to the effective thermal conductivity were material temperature and microstructure and their effect on thermal conductivity....

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