Srikanth, S and Srinivasan, V S and Jacob, K T and Allibert , M (1991) Alloy-oxide Equilibria in the System Ca-AI-O at 1373-K. Revenue Internationale des Hautes Temperatures et des Refractaires, 27 (3). pp. 131-139.
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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 anal-ysis. 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 |
|---|---|
| Uncontrolled Keywords: | Alloy-Oxide equilibria; calcium alloys; literature |
| Subjects: | Metallurgy |
| Divisions: | Director Office |
| Depositing User: | Users 5 not found. |
| Date Deposited: | 23 Sep 2011 05:00 |
| Last Modified: | 30 Nov 2011 04:23 |
| URI: | http://eprints.nmlindia.org/id/eprint/3988 |
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