Frontiers in the simulation of dislocations
Dislocations play a vital role in the mechanical behavior of crystalline materials during
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …
Effect of slip transmission at grain boundaries in Al bicrystals
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 …
a rate-dependent dislocation-based crystal plasticity model. Three different types of grain …
An analysis of the influence of the precipitate type on the mechanical behavior of Al-Cu alloys by means of micropillar compression tests
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 critical resolved shear stress and strain hardening was determined by means of …
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 …
distribution of geometrically necessary dislocations (GNDs) and apply it to an additively …
Crystallographic orientation dependence of mechanical responses of FeCrAl micropillars
Iron-chromium-aluminum (FeCrAl) alloys are used in automobile exhaust gas purifying
systems and nuclear reactors due to its superior high-temperature oxidation and excellent …
systems and nuclear reactors due to its superior high-temperature oxidation and excellent …
Crystal-Plasticity-Finite-Element Modeling of the Quasi-Static and Dynamic Response of a Directionally Solidified Nickel-Base Superalloy
The flow stress behaviour of a directionally solidified nickel-base superalloy, MAR-M247, is
presented through the combination of experiments and crystal-plasticity simulations. The …
presented through the combination of experiments and crystal-plasticity simulations. The …
Crystal-plasticity-finite-element modeling of the dynamic response of a directionally solidified nickel-based superalloy
MJ Perez-Martin - 2020 - ebiltegia.mondragon.edu
The flow stress behaviour of a directionally solidified nickel-base superalloy, MAR-M247, is
presented through the combination of experiments and crystal-plasticity simulations. The …
presented through the combination of experiments and crystal-plasticity simulations. The …
Crystallographic Orientation Dependence dxie@ huskers. unl. eduof Mechanical Responses of FeCrAl Micropillars
D Xie, B Wei, W Wu, J Wang - 2020 - digitalcommons.unl.edu
Abstract Iron-chromium-aluminum (FeCrAl) alloys are used in automobile exhaust gas
purifying systems and nuclear reactors due to its superior high-temperature oxidation and …
purifying systems and nuclear reactors due to its superior high-temperature oxidation and …
Dislocation-Evolution Based Comprehensive Phenomenological Model for Continuum-Scale Description of Stress–Strain and Work-Hardening Behavior
J Mittra, NT Kumbhar - Metallurgical and Materials Transactions A, 2020 - Springer
Bridging continuum-scale description of uniaxial tensile plastic stress–strain behavior with
adjacent mesoscale deformation models is important and, hence, requires identification of …
adjacent mesoscale deformation models is important and, hence, requires identification of …