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Thermodynamics, thermophysical and structural properties of liquid Fe-Cr alloys

Novakovic, R. and Brillo, J. (2014) Thermodynamics, thermophysical and structural properties of liquid Fe-Cr alloys. Journal of Molecular Liquids. Elsevier. DOI: doi:10.1016/j.molliq.2014.09.053 ISSN 0167-7322

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Abstract

The energetics of mixing in the Fe-Cr liquid phase has been analysed through the study of the concentration dependence of various thermodynamic, structural, surface (surface tension and surface segregation) and transport properties (diffusivity and viscosity) by the first or the Quasi-Chemical Approximation (QCA) for regular solutions in the framework of statistical mechanical theory in conjunction with the Quasi-Lattice Theory (QLT). There is some disagreement regarding the assessments of the Fe-Cr phase diagram available in the literature, but all versions reported indicate the presence of intermediate phase in the solid state. Since the arrangement of molecules in a liquid alloy is in some respects similar to that of a crystal, at least near to its melting temperature, the complex formation phenomenon in Fe-Cr melts has been described in terms of the microscopic functions (concentration fluctuations in the long-wavelength limit and chemical short-range order parameter).

Item URL in elib:https://elib.dlr.de/92506/
Document Type:Article
Title:Thermodynamics, thermophysical and structural properties of liquid Fe-Cr alloys
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Novakovic, R.Institute for Energetics and Interfaces, ItalienUNSPECIFIED
Brillo, J.DLR-MPUNSPECIFIED
Date:1 October 2014
Journal or Publication Title:Journal of Molecular Liquids
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :doi:10.1016/j.molliq.2014.09.053
Publisher:Elsevier
ISSN:0167-7322
Status:Published
Keywords:Fe-Cr; Equilibrium thermodynamics and statistical mechanics; Liquid surfaces; Surface properties; Transport properties; Microscopic functions
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Brillo, Dr.rer.nat. Jürgen
Deposited On:26 Nov 2014 08:58
Last Modified:06 Sep 2019 15:19

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