Ag-Bi-Pb Phase Diagram & Computational Thermodynamics - MatDL
Ag-Bi-Pb Phase Diagram & Computational Thermodynamics - MatDL
Ag-Bi-Pb Phase Diagram & Computational Thermodynamics - MatDL
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<strong>Phase</strong> <strong>Diagram</strong>s & <strong>Computational</strong> <strong>Thermodynamics</strong><br />
<strong>Ag</strong>-<strong>Bi</strong>-<strong>Pb</strong> System<br />
Calculated Liquidus Projection<br />
Status of the thermodynamic description:<br />
Extrapolated from binary thermodynamic descriptions
Sources of the binary descriptions:<br />
<strong>Ag</strong>-<strong>Bi</strong>: U.R. Kattner and W.J. Boettinger, J. Electron. Mater. 23 (1994) 603-610<br />
<strong>Ag</strong>-<strong>Pb</strong>: B.-Z. Lee, C.-S. Oh and D.N. Lee, J. Alloys & Compds. 215 (1994) 293-301<br />
<strong>Bi</strong>-<strong>Pb</strong>: S.W. Yoon and H.M. Lee, CALPHAD 22 (1998) 167-178<br />
Additional Assessments:<br />
B. Zimmermann, Ph.D. Thesis, Universität Stuttgart, 1976<br />
Calculated Invariant Equilibria<br />
Reaction <strong>Phase</strong> Mass % <strong>Ag</strong> Mass % <strong>Bi</strong> Mass % <strong>Pb</strong><br />
L + (<strong>Pb</strong>) -> (<strong>Ag</strong>) + (epsilon Liquid 0.53 35.75 63.72<br />
<strong>Pb</strong>)<br />
(<strong>Pb</strong>) 0.03 23.10 76.87<br />
(<strong>Ag</strong>) 99.66 0.12 0.22<br />
181.4 o C<br />
(epsilon <strong>Pb</strong>) 0.04 27.81 72.15<br />
Liquid 0.23 55.31 44.46<br />
L -> (<strong>Ag</strong>) + (epsilon <strong>Pb</strong>) + (<strong>Bi</strong>)<br />
(<strong>Ag</strong>) 99.85 0.10 0.05<br />
124.9 o C<br />
(epsilon <strong>Pb</strong>) 0.02 42.04 57.94<br />
(<strong>Bi</strong>) 0 99.53 0.47<br />
<strong>Phase</strong>s, Crystal Structures and Model Descriptions<br />
<strong>Phase</strong><br />
Strukturbericht<br />
Symbol<br />
Common Names Prototype Spacegroup Model *<br />
Liquid n/a L n/a n/a (<strong>Ag</strong>,<strong>Bi</strong>,<strong>Pb</strong>) 1
Fcc A1 (<strong>Ag</strong>), (<strong>Pb</strong>) Cu Fm-3m (<strong>Ag</strong>,<strong>Bi</strong>,<strong>Pb</strong>) 1 (Va) 1<br />
Hcp A3 (epsilon <strong>Pb</strong>) Mg P6 3 /mmc (<strong>Ag</strong>,<strong>Bi</strong>,<strong>Pb</strong>) 1 (Va) 0.5<br />
Rho A7 (<strong>Bi</strong>) alpha As R-3m (<strong>Bi</strong>,<strong>Pb</strong>) 1<br />
* Major species are printed bold face<br />
Metallurgy Division of MSEL | metallurgy@nist.gov<br />
The National Institute of Standards and Technology is an agency<br />
of the U.S. Commerce Department Technology Administration
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