Thermodynamic modeling of the palladium-lead-tin system

摘要

A set of self-consistent, thermodynamic model parameters ispresented to describe the phase equilibria of Palladium-Lead(Pd-Pb) and Palladium-Tin(Pd-Sn) systems. A sublattice model isused for thermodynamic modeling of the intermediate phases. Theexperimental data agree very well with the values calculatedusing the optimized model parameters. Several isothermal andvertical sections of the ternary system, relevant tomicroelectronic soldering applications, are calculated.Several experiments are proposed, the data from which will beextremely helpful in refining the thermodynamic model parameters.