Dislocation nucleation and evolution at the ferrite-cementite interface under cyclic loadings
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2019.12.052
Abstract: Abstract Fatigue is of significant importance to the engineering applications of the structural materials. High-strength pearlite steel consisting of a ductile ferrite phase and a brittle cementite phase is a widely used structural metal for… read more here.
Keywords: phase; ferrite cementite; dislocation; cementite interface ... See more keywords
Effect of structural anisotropy on the dislocation nucleation and evolution in 6H SiC under nanoindentation
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.131
Abstract: Abstract Single crystalline 6H SiC possesses complex microstructure and its deformation is strongly anisotropic. With the aid of molecular dynamics analysis, this paper investigated the dislocation nucleation and evolution in 6H SiC under nanoindentation on… read more here.
Keywords: sic nanoindentation; dislocation nucleation; nanoindentation; dislocation ... See more keywords
Homogeneous and heterogeneous dislocation nucleation in diamond
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DOI: 10.1016/j.diamond.2018.07.005
Abstract: Abstract Dislocation nucleation plays a key role in plastic deformation of diamond crystal. In this paper, homogeneous and heterogeneous nucleation nature for diamond 1 6 112 glide set dislocation and 1 2 110 shuffle set… read more here.
Keywords: homogeneous heterogeneous; nucleation; dislocation nucleation; diamond ... See more keywords
Dislocation nucleation in Al single crystal at shear parallel to (111) plane: Molecular dynamics simulations and nucleation theory with artificial neural networks
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DOI: 10.1016/j.ijplas.2021.102953
Abstract: Abstract We develop the theory of homogeneous nucleation of dislocations, which predicts plasticity incipience in FCC single crystal using material properties at elastic stage. In contrast to previous nucleation theories, we show that the work… read more here.
Keywords: dislocation nucleation; defect energy; nucleation; dislocation ... See more keywords
Effects of Re, W and Co on dislocation nucleation at the crack tip in the γ-phase of Ni-based single-crystal superalloys by atomistic simulation
Sign Up to like & getrecommendations! Published in 2019 at "Royal Society Open Science"
DOI: 10.1098/rsos.190441
Abstract: The effects of Re, W and Co on dislocation nucleation at the crack tip in Ni have been studied by the molecular dynamics method. The results show that the activation energy of dislocation nucleation is… read more here.
Keywords: effects dislocation; crack tip; dislocation; dislocation nucleation ... See more keywords