Phase Diagrams Computational Thermodynamics Ag Pb System Calculated Phase

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Phase Diagrams Computational Thermodynamics Ag Pb System Calculated Phase Powered By Docstoc
					  Phase Diagrams & Computational Thermodynamics




                             Ag-Pb System




                    Calculated Phase Diagram




Status of the thermodynamic description:

B.-Z. Lee, C.-S. Oh and D.N. Lee, J. Alloys & Compds. 215 (1994) 293-301:
Full thermodynamic assessment.
Additional Assessments:

F.H. Hayes, H.L. Lukas, G. Effenberg and G. Petzow, Z. Metallkde. 77 (1986) 749-
754
I. Karakaya and W.T. Thompson, Bull. Alloy Phase Diagrams 8 (1987) 326-334



Calculated Invariant Equilibria

                Reaction                           Phase            Mass % Ag           Mass % Pb
L -> (Ag) + (Pb)                          Liquid              2.27                97.73
                                          (Ag)                98.57               1.43
303.7 oC                                  (Pb)                0.10                99.90



Phases, Crystal Structures and Model Descriptions

 Phase     Struktur-         Common Names           Prototype Spacegroup            Model*
            bericht
            Symbol


Liquid n/a             L                           n/a        n/a            (Ag,Pb)1


Fcc        A1          (Ag), (Pb)                  Cu         Fm-3m          (Ag,Pb)1(Va)1


                                                           *Major    species are printed bold face




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