Determination of the structure and properties of an edge dislocation in rutile TiO2
Sign Up to like & getrecommendations! Published in 2019 at "Acta Materialia"
DOI: 10.1016/j.actamat.2018.10.015
Abstract: Abstract A global optimization procedure is used to predict the structure and electronic properties of the b = c[001] edge dislocation in rutile TiO2. Over 1000 different atomic configurations have been generated using both semi-empirical and density… read more here.
Keywords: rutile tio2; dislocation; edge dislocation; structure ... See more keywords
An edge dislocation interacting with two semi-infinite cracks
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2020.107044
Abstract: Abstract We use conformal mapping techniques and analytic continuation to derive an analytic solution to the problem of an edge dislocation interacting with two semi-infinite vertical cracks. Closed-form expressions for the rigid-body rotation at infinity… read more here.
Keywords: interacting two; dislocation; two semi; edge dislocation ... See more keywords
The role of hydrogen in the edge dislocation mobility and grain boundary-dislocation interaction in α-Fe
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2021.07.061
Abstract: Abstract The atomistic mechanisms of dislocation mobility depending on the presence of hydrogen were investigated for two edge dislocation systems that are active in the plasticity of α-Fe, specifically ½ {110} and ½ {112}. In… read more here.
Keywords: grain boundary; dislocation; hydrogen; edge dislocation ... See more keywords
Thermo-elastic analysis of edge dislocation using extended finite element method
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.106109
Abstract: Abstract In the present work, the extended finite element method (XFEM) is successfully implemented for the thermo-elastic analysis of edge dislocations. Volterra type edge dislocation is modeled using Heaviside and core enrichment functions. The singularity… read more here.
Keywords: thermo elastic; extended finite; dislocation; edge dislocation ... See more keywords
An edge dislocation inside a semi-infinite plane containing a circular hole
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2017.12.022
Abstract: Abstract This paper presents an analytical solution of the Green's function for an edge dislocation lying anywhere inside a semi-infinite plane containing a circular hole. The solution is obtained using the Airy stress function method,… read more here.
Keywords: inside semi; dislocation; hole; edge dislocation ... See more keywords
A screw dislocation and an edge dislocation interacting with a locally rough bimaterial interface
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2021.111193
Abstract: Abstract We apply analytic continuation and conformal mapping techniques to investigate, in detail, the elastic interaction of a screw dislocation and subsequently an edge dislocation with a locally rough bimaterial interface. In the case of… read more here.
Keywords: dislocation; edge dislocation; screw dislocation; interface ... See more keywords
Interaction mechanism of an edge dislocation with a void in Fe–Ni–Cr concentrated solid-solution alloy
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.157556
Abstract: Abstract The interactions of a 1/2 {111} edge dislocation with a void in Fe10Ni20Cr and Fe33Ni33Cr concentrated solid-solution alloys are investigated by using molecular dynamics simulation method. The edge dislocation dissociates into two shockley partial… read more here.
Keywords: concentrated solid; alloy; void; edge dislocation ... See more keywords
Atomistic study of hydrogen behavior around dislocations in α iron
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2018.08.018
Abstract: Abstract Atomic-level studies have been performed to investigate the hydrogen behavior near a 1/2 {110} edge dislocation and a 1/2 screw dislocation in α iron. Molecular statics analysis has been carried out to determine the… read more here.
Keywords: dislocation; hydrogen behavior; edge dislocation; hydrogen ... See more keywords
Simulation of the interaction between an edge dislocation and ⟨111⟩ interstitial dislocation loops in α-iron
Sign Up to like & getrecommendations! Published in 2019 at "Radiation Effects and Defects in Solids"
DOI: 10.1080/10420150.2018.1564922
Abstract: ABSTRACT The dependence of the interactions of intermediate-size ½ self-interstitial atom (SIA) loops with an edge dislocation on strain rate and temperature was investigated by molecular dynamics (MD) simulations for the interatomic potential derived by… read more here.
Keywords: loop; dislocation; edge dislocation; strain rate ... See more keywords
Interaction between an edge dislocation and a circular elastic inhomogeneity with Steigmann–Ogden interface
Sign Up to like & getrecommendations! Published in 2023 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/10812865231166081
Abstract: We propose an effective method for the solution of the plane problem of an edge dislocation in the vicinity of a circular inhomogeneity with Steigmann–Ogden interface. Using analytic continuation, the pair of analytic functions defined… read more here.
Keywords: ogden interface; steigmann ogden; inhomogeneity; edge dislocation ... See more keywords
Interaction between an edge dislocation near a circular void within the framework of the theory of strain gradient elasticity
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Mechanical Behavior of Materials"
DOI: 10.1515/jmbm-2018-0011
Abstract: Abstract The purpose of this paper was to consider an edge dislocation near a circular hole within the isotropic theory of gradient elasticity. The stress field is derived with the help of a stress function… read more here.
Keywords: dislocation; edge dislocation; gradient elasticity; dislocation near ... See more keywords