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Thermodynamic and thermophysical properties of Cu-Si liquid alloys

Soldi, Luca and Quaini, Andrea and Gosse, Stephane and Brillo, Jürgen and Roskosz, Mathiue (2020) Thermodynamic and thermophysical properties of Cu-Si liquid alloys. High Temperatures-High Pressures, 49, pp. 155-171. Old City Publishing. ISSN 0018-1544

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Abstract

The Cu-Si system is of primary interest for many industrial applications, especially for waste applications. Due to eutectic reactions and the con- gruent melting of intermetallic phases, these binary alloys exhibit specific behaviors as a function of temperature and composition. A complete investigation of the thermodynamic and thermophysical properties of such liquid metals that may form is required to optimize such a process at the industrial scale. To better predict the thermophysical properties of these metallic alloys, measurements of the surface tension are carried out for bulk mole frac- tions of up to 32% at Si. These experiments were conducted by means of the oscillating drop technique using the electromagnetic levitation method [1]. To better predict the thermodynamics of such liquids during the experiments, these tests were complemented by chemical activity cal- culations using the Calphad method. The experimental results obtained from the electromagnetic technique are compared and discussed taking into consideration the Egry model [2], the most suitable one in case of formation of high-temperature intermetal- lic compounds.

Item URL in elib:https://elib.dlr.de/134040/
Document Type:Article
Title:Thermodynamic and thermophysical properties of Cu-Si liquid alloys
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Soldi, LucaCEA, Univ Paris Saclay, FranceUNSPECIFIED
Quaini, AndreaCEA, Univ Paris Saclay, FranceUNSPECIFIED
Gosse, StephaneCEA, Univ. Paris Saclay, FranceUNSPECIFIED
Brillo, JürgenJuergen.Brillo (at) dlr.deUNSPECIFIED
Roskosz, MathiueNat. Mus. of Nat. Hist., Paris, FranceUNSPECIFIED
Date:2020
Journal or Publication Title:High Temperatures-High Pressures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:49
Page Range:pp. 155-171
Publisher:Old City Publishing
ISSN:0018-1544
Status:Published
Keywords:surface tension thermodynamics Cu-Si
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):Vorhaben Nutzerzentrum Forschung unter Weltraumbedingungen
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Brillo, Dr.rer.nat. Jürgen
Deposited On:10 Feb 2020 07:21
Last Modified:10 Feb 2020 07:21

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