Thermodynamic Description of Ternary Fe-X-P Systems. Part 1: Fe-Cr-P

A thermodynamic description of the Fe-Cr-P system is developed in the frame of a new Fe-X-P (X = Al, Cr, Cu, Mn, Mo, Nb, Ni, Si, Ti) database. The thermodynamic parameters of the binary sub-systems, Fe-Cr, Fe-P and Cr-P, are taken from earlier assessments slightly modifying the Fe-P and Cr-P descrip...

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Bibliographic Details
Published in:Journal of phase equilibria and diffusion 2014-08, Vol.35 (4), p.458-468
Main Authors: Miettinen, Jyrki, Vassilev, Gueorgui
Format: Article
Language:English
Subjects:
Aluminum
Assessments
Ceramics
Chromium
Composites
Crystallography and Scattering Methods
Engineering Thermodynamics
Glass
Heat and Mass Transfer
Mathematical models
Metallic Materials
Natural Materials
Nickel
Physics
Physics and Astronomy
Sigma phase
Thermodynamics
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Summary:A thermodynamic description of the Fe-Cr-P system is developed in the frame of a new Fe-X-P (X = Al, Cr, Cu, Mn, Mo, Nb, Ni, Si, Ti) database. The thermodynamic parameters of the binary sub-systems, Fe-Cr, Fe-P and Cr-P, are taken from earlier assessments slightly modifying the Fe-P and Cr-P descriptions, and those of the ternary system are optimized in this study using the experimental thermodynamic and phase equilibrium data from the literature. The solution phases are described using a substitutional solution model. The phosphides are treated as semi-stoichiometric phases of the type (A,B) p C q . The intermetallic Sigma phase is described with a three-sublattice model.
ISSN:1547-7037
1863-7345
1934-7243
DOI:10.1007/s11669-014-0314-x