Evolution of interphase misfit dislocation networks in Ni-based single-crystal superalloy | Zendy

Zhu Tao | Zendy; ChongYu Wang | Zendy; Yong Gan | Zendy

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Evolution of interphase misfit dislocation networks in Ni-based single-crystal superalloy

Author(s) -

Zhu Tao,

ChongYu Wang,

Yong Gan

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.156

Subject(s) - materials science , interphase , dislocation , superalloy , condensed matter physics , molecular dynamics , hexahedron , single crystal , crystallography , phase (matter) , microstructure , thermodynamics , composite material , physics , finite element method , genetics , chemistry , quantum mechanics , biology

The molecular dynamics simulations are used to study the characteristics of misfit dislocation networks in the γ/γ′ phase interface of a Ni-based single-crystal superalloy. From the analyses of the formation of interphase dislocations, the reaction of dislocations, and the evolution of dislocation networks, we find that the shape of the dislocation network finally evolves into a regular hexahedron from an original tetradedron.

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