Srikanth, S. ; Jacob, K. T. ; Allibert, M. ; Srinivasan, V. S. (1991) Alloy oxide equilibria in the system Ca-Al-O at 1373 K Revue Internationale des Hautes Temperatures et des Refractaires, 27 (3). pp. 131-139. ISSN 0035-3434
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Abstract
The tie lines delineating equilibria between different oxides of the Ca-Al-O system and liquid Ca-Al alloy has been determined at 1373 K. Equilibration of the alloy with two adjacent oxide phases in the CaO-Al2O3 pseudo-binary system was established in a closed cell made of iron. Equilibrium oxide phases were confirmed by x-ray analysis and alloy compositions were determined by chemical analysis. The compound 12CaO.7Al2O3 Ca12Al14O33 was found to be a stable phase in equilibrium with calcium alloys. The experimental diagram is consistent with that calculated from the free energies of formation of the oxide phases and activities in liquid Ca-Al alloys at 1373 K reported in the literature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Paris : Masson. |
| ID Code: | 94902 |
| Deposited On: | 16 Oct 2012 08:06 |
| Last Modified: | 16 Oct 2012 08:06 |
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