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Phase relations in the system Cu-La-O and thermodynamic properties of CuLaO2 and CuLa2O4

Jacob, KT and Jayadevan, KP (2002) Phase relations in the system Cu-La-O and thermodynamic properties of CuLaO2 and CuLa2O4. In: Journal of Materials Science, 37 (8). pp. 1611-1620.

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Abstract

Phase relations in the system Cu-La-O at 1200 K have been determined by equilibrating samples of different average composition at 1200 K, and phase analysis of quenched samples using optical microscopy, XRD, SEM and EDX. The equilibration experiments were conducted in evacuated ampoules, and under flowing inert gas and pure oxygen. There is only one stable binary oxide La2O3 along the binary La-O, and two oxides Cu2O and CuO along the binary Cu-O. The Cu-La alloys were found to be in equilibrium with La2O3. Two ternary oxides CuLaO2 and CuLa2O4+

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Kluwer Academic Publishers.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 29 Dec 2011 07:44
Last Modified: 29 Dec 2011 07:44
URI: http://eprints.iisc.ernet.in/id/eprint/42717

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