Abstract
The formation heats of the intermetallic compounds of aluminum and cerium were studied using a differential direct isoperibol calorimeter. The composition and equilibrium state of the samples were confirmed by metallographic and X-ray analyses. For the various compounds, the ΔHform (for the reaction in the solid state at 300 K) was determined as follows (kJ/mol of atoms): Ce3Al: -27.0 ± 2; CeAl: -46.0 ± 3; CeAl2: -50.0 ± 2; and Ce3Al11: -41.0 ± 2. The results are discussed and compared with the values which can be found in literature.
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Borzone, G., Cacciamani, G. & Ferro, R. heats of formation of aluminum-cerium intermetallic compounds. Metall Trans A 22, 2119–2123 (1991). https://doi.org/10.1007/BF02669879
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DOI: https://doi.org/10.1007/BF02669879