Phase equilibria in Fe-Cu-X (X: Co, Cr, Si, V) ternary systems |
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Authors: | Cui Ping Wang Xing Jun Liu Ikuo Ohnuma Ryosuke Kainuma and Kiyohito Ishida |
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Affiliation: | (1) Department of Materials Science, Graduate School of Engineering, Tohoku University, Aoba-yama 02, 980-8579 Sendai, Japan |
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Abstract: | Phase equilibria on the Fe-Cu side in the Fe-Cu-X (X: Co, Cr, Si, V) system were experimentally determined over the temperature
range of 1073–1273 K. Based on the present results and previous works, the thermodynamic assessments of the phase equilibria
in the Fe-Cu-X system were evaluated using the Calculation of Phase Diagram (CALPHAD) method. The Gibbs energies (G) of the bcc, fcc, and liquid phases are described by the subregular solution model, and a set of thermodynamic parameters
enable us to calculate various isothermal and vertical sections and the miscibility gaps of the solid and liquid phases. |
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