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Abstract: In an effort to become more sustainable, the construction industry has been looking for ways to use less new raw materials by making use of waste by-products from industrial applications. In this study, nano-crystalline aluminum sludge was added as a filler to clay bricks. The hope was that this would not only be an environmentally friendly product, but that it would also improve the thermal properties of the bricks. Laboratory testing was carried out using the Hot Disk TPS 2500S, which measured the thermal conductivity of the bricks. The researchers then performed extensive numerical analysis through 3D finite element models. These results were compared with those from other models. The researchers concluded that the thermal conductivity had improved by almost 10%.

Reference: Construction and Building Materials, 101: Part 1 (30 December 2015), pp. 227-238

DOI: 10.1016/j.conbuildmat.2015.10.058