Abstract
Particle-stabilized dispersions are considered as potential high-temperature, high-energy–density heat transfer fluids as well as thermal energy storage materials. To be useful practically, these dispersions need to be stable against coalescence and have low viscosity. We present indirect experimental evidence of particle stabilization of Al–Si in NaCl–NaF dispersions with graphite as the stabilizer. We found no evidence of particle stabilization in the same system with boron carbide, silicon carbide, silica, or zirconia as the stabilizer. We also present indirect experimental evidence of particle stabilization in Al/B2O3/C and Al/NaCl–KCl/Al2O3 dispersed phase/dispersion media/stabilizer systems.
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Acknowledgements
This study was supported by the US. Department of Energy under Contract No. DE-AC36-08GO28308 to the National Renewable Energy Laboratory.
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Starace, A.K., Gomez, J.C. & Glatzmaier, G.C. Can particle-stabilized inorganic dispersions be high-temperature heat-transfer and thermal energy storage fluids?. J Mater Sci 48, 4023–4031 (2013). https://doi.org/10.1007/s10853-013-7214-z
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DOI: https://doi.org/10.1007/s10853-013-7214-z