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Dislocation Accumulation Due to Plastic Slip
First, the accumulationAccumulation of dislocations and annihilationAnnihilation of dislocationsDislocation annihilation of statistically stored...
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Dislocation Analysis of Laser-Sintered Al Alloy Nanoparticles in Using Molecular Dynamics Simulation
Additive manufacturing (AM) processes have proved to be the most efficient manufacturing techniques over the past decade due to the ease of...
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Dislocation climbing in a three-layer structure
The introduction by climbing of an edge dislocation from the free-surface of a three-layer structure has been first investigated from an energy-based...
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Analysis of Volterra dislocation in half-planes incorporating surface effects
An isotropic elastic half-plane weakened by a Volterra dislocation, screw/edge is analyzed. The linear Gurtin–Murdoch surface elasticity theory is...
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Electro-Elastic Analysis of Edge Dislocation Dipole in GaN Using XFEM
This work presents the numerical analysis of edge dislocation dipole for the evaluation of the electro-elastic fields in gallium nitride (GaN)...
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Dislocation-Precipitate Interaction-Based Kocks–Mecking Analysis of Heat-Treated 17-4 PH Stainless Steel
The present study is focused on the tensile flow behavior of heat-treated 17-4 precipitation hardening stainless steel. The microstructural evolution...
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Dislocation gliding in a freestanding film submitted to uniaxial stress
The equilibrium positions of an edge dislocation embedded in a freestanding thin film submitted to uniaxial stress have been characterized from a...
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An edge dislocation interacting with a hypotrochoidal compressible liquid inclusion
We use Muskhelishvili’s complex variable formulation to derive a closed-form solution to the plane strain problem of a hypotrochoidal compressible...
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Renormalized Energy of a Dislocation Loop in a 3D Anisotropic Body
The paper presents a rigorous analysis of the singularities of elastic fields near a dislocation loop in a body of arbitrary material symmetry that...
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Crack growth behavior of U71MnG rail steel under overload conditions described using a dislocation correction model
The single-peak overload test based on DIC technology was carried out in this study, and U71MnG steel was used to explore the influence of...
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Mathematical Framework of Crystal Plasticity Analysis Constructed by Hill and Implementation of Dislocation Models
The constitutive equation of the crystal plasticity analysis constructed by Hill is presented and the hardening matrix used in the equation is...
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Revealing dislocation activity modes during yielding and uniform deformation of low-temperature tempered steel by acoustic emission
The distinctive distribution of acoustic emission (AE) characteristic parameters generated during tensile testing of low-temperature tempered AISI...
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Dynamic impact constitutive model of 6008 aluminum alloy based on evolution dislocation density
In this study, a systematic experimental evaluation of 6008 Al alloys was conducted using split Hopkinson pressure bar equipment and a transmission...
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Generation of Atomic Vacancies by Dislocation Pair Annihilation
Density of atomic vacanciesAtomic vacancies increases rapidly during plastic deformation and these vacancies play roles in diverse aspects of the...
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Influence of Dislocation Pile-Up on Main Crack Propagation in Nanocrystals in the Hydrogen Environment
The influence of material micro-defects on the main crack growth under pure shear loading is studied theoretically. The mechanism behind the...
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A dislocation-based finite element method for plastic collapse assessment in solid mechanics
A displacement-based dislocation map has been used to build the eigenstress stress, which is the base of the structure’s limit analysis. The limit...
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An iterative blending integrating grinding force model considering grain size and dislocation density evolution
The dynamic force load in grinding process is considered as a crucial factor affecting the quality of parts, and a better understanding of the...
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Influence of Deformation Temperature On Flow Stress and Dislocation Structure of 2A12 Aluminum Alloy Under Quasi-Static and Dynamic Compression
BackgroundIn many constitutive models for dynamic strain aging of aluminum alloys, the athermal component of flow stress was commonly assumed to be...
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A thin-film-covered mode III crack with dislocation-free zones
We use complex variable methods and the theory of singular integral equations to study a thin-film-covered mode III crack with dislocation-free zones...
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Effect of nanoscale amorphization in nanocrystalline bimaterials on dislocation emission from the tip of colinear linear cracks
In this paper, a theoretical model is established to describe the effect of nanoscale amorphization in nanocrystalline bimaterials on the dislocation...
