Thermodynamic assessment of the Aluminum-Manganese (Al-Mn) binary phase diagram |
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| Authors: | X. J. Liu I. Ohnuma R. Kainuma K. Ishida |
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| Affiliation: | (1) Department of Materials Science and Engineering, Kyushu Institute of Technology, Sensui-cho 1-1, Tobata-ku, 804-8550 Kitakyushu, Japan |
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| Abstract: | A thermodynamic calculation of the Al-Mn binary system that takes into account recent experimental results and includes five intermetallic compounds and all the solid-solution phases is presented. The Gibbs energy of the body-centered cubic (bcc) phase has been described on the basis of the two-sublattice model that includes the second-order A2/B2 ordering reaction as well. A consistent set of optimized thermodynamic parameters has been arrived at for describing the Gibbs energy of each phase in this system leading to a better fit between calculation and experiments. |
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