Cr Impurity Effect on Antiphase Boundary in FeAl Alloy.

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  • Senying Liu
    Department of Applied Physics, University of Turku, FIN–20014 Turku, Finland Central Iron and Steel Research Institute, Beijing 100081, P. R. China
  • Leiro Jarkko Albert
    Department of Applied Physics, University of Turku, FIN–20014 Turku, Finland

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In the FeAl alloy, the electronic structures of (110) and (121) antiphase boundaries (APBs) and the effect of Cr on them are calculated using the recursion method. The density of states, the interaction energy between the atoms, and the energy of APBs are presented. On the basis of these results, the effects of Cr and APB on the physical properties of the FeAl alloy are discussed.

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