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A thermodynamic assessment of the Fe-Pt system
KTH, Superseded Departments, Materials Science and Engineering.
2001 (English)In: Calphad, ISSN 0364-5916, E-ISSN 1873-2984, Vol. 25, no 4, 535-548 p.Article in journal (Refereed) Published
Abstract [en]

The present work will present a complete assessment of the Fe-Pt system by means of the CALPHAD method. The liquid and the bee phase have been modelled as substitutional solutions where the interaction parameter is composition dependent in the form of a Redlich-Kister series. The ordered phases and the disordered fee phases were modelled in CEF formalism with a single Gibbs energy function. The obtained phase equilibria and activities of iron and platinum agree reasonably well with the literature data. Validation of the liquidus maxima around 50 at% Pt, found in the optimisation work, was performed by a quenching experiment followed by SEM analysis.

Place, publisher, year, edition, pages
2001. Vol. 25, no 4, 535-548 p.
Keyword [en]
temperature specific-heat, invar-alloys, fe3pt
Identifiers
URN: urn:nbn:se:kth:diva-21446ISI: 000174846500005OAI: oai:DiVA.org:kth-21446DiVA: diva2:340144
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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