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Thermodynamic assessment of the Cu-Pt system
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Computational Thermodynamics.
2006 (English)In: Journal of Phase Equilibria and Diffusion, ISSN 1547-7037, Vol. 27, no 1, 5-13 p.Article in journal (Refereed) Published
Abstract [en]

A CALPHAD assessment of the Cu-Pt system has been carried out. Two and four sublattice models were applied to describe the Gibbs free energies of ordered phases where the contribution of SRO is taken explicitly into account through the reciprocal parameters. The disordered fcc A1 and liquid phases were treated as substitutional solutions. A consistent set of parameters for the phases in the Cu-Pt system as obtained, and those parameters can satisfactorily reproduce the experimental phase equilibria and thermodynamic properties, such as enthalpies, activity of Cu, and long-range order parameters.

Place, publisher, year, edition, pages
2006. Vol. 27, no 1, 5-13 p.
Keyword [en]
compound energy formalism, pair interactions, short range ordering, copper-platinum alloys, short-range order, binary-alloys, transition-metals, cu3pt, au, phase, transformation, disorder, morphology
URN: urn:nbn:se:kth:diva-15414ISI: 000235174800002OAI: diva2:333455
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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