Abstract
Next generation of aluminum automotive engines will have to operate at temperatures approaching 3000C. Traditional aluminum alloys cannot perform at these temperatures, but aluminum alloys reinforced with nanoparticles can. The synthesis of aluminum-titanium carbide nanocomposites by an in-situ gas-liquid reaction implies methane to be injected into molten aluminum that has been pre-alloyed with titanium. The gas is introduced by means of a rotating sparger-impeller unit into the hot alloy, and under the correct conditions of temperature, gas flow and rotation speed, it reacts preferentially with titanium to form titanium carbide nanoparticles that are well dispersed in the metal matrix. The apparatus design, the multi-physics phenomena and a mechanism proposal for nanoparticles formation is first given. The operation window in which to allocate the parametric analysis is next calculated. Finally, characterization of initial obtained material, its relationship to the processing parameters and guidelines to obtain the nanoparticles is done.
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Anza, I., Mahklouf, M.M. (2016). Synthesis of Al-TiC Nanocomposites by an In-Situ Gas-Liquid Method. In: Williams, E. (eds) Light Metals 2016. Springer, Cham. https://doi.org/10.1007/978-3-319-48251-4_41
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DOI: https://doi.org/10.1007/978-3-319-48251-4_41
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48615-4
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