Abstract
Phase equilibria in the system of Sr-Ca-Cu-O were experimentally studied at 1193K in air, and at 1153K in the reduced oxygen atmosphere. The isothermal section of phase diagram at 1193K was the same that reported below 1173K in air. At the oxygen partial pressure P02 below 0.01 atm, the formation of (SrCa)1Cu2O2 was detected, whose maximum solubility was 22 at%Ca at 1153K. Based on the confirmed 3-phase compatibilities and their compositional relationships, some phase equilibria were thermodynamically predicted at the lower po2than in air. One of them was confirmed under the coexistence of CuO-Cu20 mixture.
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© 1995 Springer-Verlag Tokyo
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Suzuki, R.O., Ono, K., Gauckler, L.J. (1995). Phase Equilibria in the Sr-Ca-Cu-O system. In: Yamafuji, K., Morishita, T. (eds) Advances in Superconductivity VII. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68535-7_78
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DOI: https://doi.org/10.1007/978-4-431-68535-7_78
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