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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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Keywords:
- Ni-based single-crystal superalloy/
- interphase misfit dislocation/
- evolution of dislocation network/
- molecular dynamics
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