Chinese Physics B, Volume. 29, Issue 9, (2020)
Effects of Re, Ta, andWin [110] (001) dislocation core of γ/γ′ interface to Ni-based superalloys: First-principles study
Fig. 1. The [110] (001) dislocation of the
Fig. 2. The model of the [110] (001) dislocation core in
Fig. 3. The planes
Fig. 4. The atomic distribution around the doped atom. The green ball denotes the doped atom and the blue balls denote Ni atoms. Ni152, Ni141, Ni140, Ni139, Ni138, Ni137, Ni136, Ni135, Ni134, Ni133, and Ni43 are the NN Ni atoms of the doped atom.
Fig. 5. The DCD of the dislocation core doped with Re, Ta, and W. Panel (a) is for the case where Re substitutes for the
Fig. 6. Charge density contour plots of the dislocation core on the (001) plane and (120) plane. Panels (a), (c), and (e) are the charge density contour plots of the (001) plane that the Re, Ta, and W substitute for
Fig. 7. The PDOSs of the doped atoms and their NN Ni atoms in the dislocation core. The Fermi energies are shifted to zero. The dashed lines and solid lines represent the PDOSs without and with (a) Re, (b) Ta, and (c) W, respectively.
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Chuanxi Zhu, Tao Yu. Effects of Re, Ta, andWin [110] (001) dislocation core of γ/γ′ interface to Ni-based superalloys: First-principles study[J]. Chinese Physics B, 2020, 29(9):
Received: Jun. 21, 2020
Accepted: --
Published Online: Apr. 29, 2021
The Author Email: Yu Tao (ytao012345@163.com)