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The production of closed cell foams has recently advanced as the materials gain interest. The purpose of this study was to use the transient plane source (TPS) method to measure the thermal conductivity of AlSi7 closed cell foams. Results showed that thermal conductivity increased with sample density, and experimental results were higher than the predictions of the theoretical models. Measurements were also carried out on different directions of the samples ...
The present study used the transient plane source (TPS) technique to measure the thermal conductivity of a series of AlSi7 metal foams prepared by the powder metallurgical route. The main difference between the different foam samples was their density, which led to a change in thermal conductivity. In addition to measuring thermal conductivity, the TPS sensor was used to detect in-homogeneities by placing it on each face of a cube ...
Through the use of computed tomography and the TPS method, the authors of this article were able to calculate local effective thermal conductivities of aluminium foams synthesized through the powder metallurgical route. Computed tomography was first used in order to measure the density of a given area of the sample and this density was then used in the TPS measurements in order to generate local effective thermal conductivity values....
