The transient plane source (TPS) technique was used to measure the thermal conductivity of three ceramic fibres with varying amounts of aluminium content. Specifically, the effect of temperature, press load per unit area and the aluminium content on thermal conductivity was studied. The three ceramic fibres studied were VK-60, ABK and Nextel/VK-80. It was experimentally determined that an increase in aluminium content resulted in decreased thermal conductivity of the ...
The ceramic Cecorite 130P was analyzed using the transient plane source (TPS) technique in order to measure the thermal conductivity in the range from 88 to 280 K. Fused quartz samples were also investigated in order to ensure the technique worked at liquid nitrogen temperatures. The thermal conductivity of Cecorite 130P was determined to have a slight dependence on temperature, with a maximum around 170 K....
Yttria-stabilized zirconia (YSZ) powders containing varying amounts of SiO2 and Al2O3 impurities were plasma sprayed onto metallic substrates and subsequently investigated. The authors were interested in how the impurities affected sintering rates, thermal conductivity, linear contraction, and pore size and architecture among other things. The YSZ coatings were heat treated at 1400°C for 10 hours and then analyzed for the properties mentioned above. A machine was used to measure the ...
Using industrial grade mullite powder and a foaming and starch consolidation process, a series of porous mullite ceramics were prepared. These ceramics were analyzed by a thermal constants analyzer, and it was determined that the ceramics had low thermal conductivities and would make good thermal insulators. The porosity of the synthesized ceramics can be controlled by the sintering temperature and by adjusting solid loading. The ceramics were subjected to theoretical ...
In order to measure the thermal properties of polymer composites that are filled with ceramic powder the researchers created 'macromodels' that accurately modelled the interfacial resistance at each ceramic-polymer boundary. The macromodels were created by spin-coating the polymers onto sapphire wafers....
