Abstract
Industries that process and use metals, from microelectronics to aerospace, can use phase equilibria data for designing and processing complex alloys (three or more components) and diffusion data for controlling the formation and dissolution of precipitate phases within a matrix or at an interface. The number of images or data tables that would be needed for the graphic representation of such data is prohibitively large for systems with a large number of components. Databases that store thermodynamic and diffusion data as analytical functions provide a compact, retrievable storage method. They also permit the extrapolation of properties from binary and ternary systems to higher-order systems based on a physical model. Special task software that allows the nonexpert to extract the required information has been developed for the casting of superalloys and the solidification of Pb-free solders. Examples of user-friendly data representation and data utilization in advanced applications are presented.
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This paper was presented at the International Symposium on User Aspects of Phase Diagrams, Materials Solutions Conference and Exposition, Columbus, Ohio, October 18–20, 2004.
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Kattner, U.R. Efficient phase diagram information and computational thermodynamics. J Phs Eqil and Diff 27, 126–132 (2006). https://doi.org/10.1007/s11669-006-0035-x
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DOI: https://doi.org/10.1007/s11669-006-0035-x