Assessment of the Al-Ag binary phase diagram

Assessment of the Al-Ag binary phase diagram

Unusual age hardening of Al-Cu-Mg-Ag alloys with high Cu:Mg ratios has been found to be associated with the formation of the Ω phase. A thermodynamic modelling approach is adopted in the present study to investigate the likelihood of Ag-Mg intermetallic compounds which have been proposed as the init...

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Veröffentlicht in:Calphad 1995-06, Vol.19 (2), p.131-141
Hauptverfasser: Lim, S.S., Rossiter, P.L., Tibballs, J.E.
Format: Artikel
Sprache:eng
Schlagworte:
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
Mixtures
Thermodynamic properties
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Zusammenfassung:Unusual age hardening of Al-Cu-Mg-Ag alloys with high Cu:Mg ratios has been found to be associated with the formation of the Ω phase. A thermodynamic modelling approach is adopted in the present study to investigate the likelihood of Ag-Mg intermetallic compounds which have been proposed as the initial nuclei for the Ω precipitates. The Thermo-Calc computer package has been used for the present computation. The calculated Ag-Al binary phase diagram is presented in this paper.
ISSN:0364-5916
1873-2984
DOI:10.1016/0364-5916(95)00014-6