[HTML][HTML] Optimizing mechanical properties of magnesium alloys by philosophy of thermo-kinetic synergy: Review and outlook

T Wang, F Liu - Journal of Magnesium and Alloys, 2022 - Elsevier
Although several strategies (including grain refinement, texture adjustment, precipitation
hardening, etc.) have been verified to effectively improve the mechanical properties of …

Frontiers in the simulation of dislocations

N Bertin, RB Sills, W Cai - Annual Review of Materials Research, 2020 - annualreviews.org
Dislocations play a vital role in the mechanical behavior of crystalline materials during
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …

Role of δ-phase on Mechanical Behaviors of Additive Manufactured Inconel 718: Detailed Microstructure Analysis and Crystal Plasticity Modelling

N Xi, Z Ni, X Fang, Y Zhou, K Tang, H Zhang… - International Journal of …, 2023 - Elsevier
In this work, a multi-scale approach was applied to reveal the evolution mechanisms of the δ
(Ni 3 Nb) phase and the resultant mechanical responses in wire-arc additive manufactured …

On the strength of dislocation interactions and their effect on latent hardening in pure Magnesium

N Bertin, CN Tomé, IJ Beyerlein, MR Barnett… - International Journal of …, 2014 - Elsevier
This study is dedicated to the quantification of latent hardening and its effect on the plasticity
of pure hexagonal magnesium. To this end, discrete dislocation dynamics simulations are …

An analysis of the influence of the precipitate type on the mechanical behavior of Al-Cu alloys by means of micropillar compression tests

B Bellón, S Haouala, J LLorca - Acta Materialia, 2020 - Elsevier
The influence of different types of precipitates (either Guinier-Preston zones, θ ″or θ′) on
the critical resolved shear stress and strain hardening was determined by means of …

The grain size effect on strain hardening and necking instability revisited from the dislocation density evolution approach

IS Yasnikov, Y Kaneko, M Uchida… - Materials Science and …, 2022 - Elsevier
Revisiting the classical topic of the strain hardening behaviour from a perspective of the
analytical model based on the evolution of dislocation density with strain, we extended the …

Polycrystal plasticity: comparison between grain-scale observations of deformation and simulations

R Pokharel, J Lind, AK Kanjarla… - Annu. Rev. Condens …, 2014 - annualreviews.org
The response of polycrystals to plastic deformation is studied at the level of variations within
individual grains, and comparisons are made to theoretical calculations using crystal …

An elasto-plastic self-consistent model with hardening based on dislocation density, twinning and de-twinning: Application to strain path changes in HCP metals

M Zecevic, M Knezevic, IJ Beyerlein… - Materials Science and …, 2015 - Elsevier
In this work, we develop a polycrystal mean-field constitutive model based on an elastic–
plastic self-consistent (EPSC) framework. In this model, we incorporate recently developed …

Effect of slip transmission at grain boundaries in Al bicrystals

S Haouala, R Alizadeh, TR Bieler, J Segurado… - International Journal of …, 2020 - Elsevier
The effect of slip transfer on the deformation mechanisms of Al bicrystals was explored using
a rate-dependent dislocation-based crystal plasticity model. Three different types of grain …

Three-dimensional maps of geometrically necessary dislocation densities in additively manufactured Ni-based superalloy IN718

WA Witzen, AT Polonsky, TM Pollock… - International Journal of …, 2020 - Elsevier
In this work, we present a method to characterize the subgranular three-dimensional
distribution of geometrically necessary dislocations (GNDs) and apply it to an additively …