A statistical evaluation of the free energy of Fe-base ternary ordering alloys |
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| Authors: | Masuhiro Fukaya Toru Miyazaki Pi Zhi Zhao Takao Kozakai |
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| Affiliation: | (1) Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, 466 Nagoya, Japan |
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| Abstract: | The free energy of the Fe-base ternary ordering alloys whereB2 andD03 ordered structures are formed is evaluated. The statistical theory is employed using a pairwise interaction approximation taking into account not only the atomic interaction but also the magnetic interaction, based upon the Bragg-Williams-Gorsky model. The application of this model on Fe-Si-Co ordering alloys are demonstrated. The propriety of the calculation results are performed by comparing the experimental results. The influences of the magnetic energy to the stability of ordered structures are also demonstrated. |
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