Spectral methods for full-field micromechanical modelling of polycrystalline materials

RA Lebensohn, AD Rollett - Computational Materials Science, 2020 - Elsevier
Modelling the mechanical behavior of polycrystalline materials based on their evolving
microstructure and the anisotropic properties of their constituent single crystal grains is …

[PDF][PDF] A short introduction to basic aspects of continuum micromechanics

HJ Böhm - Cdl-fmd report, 1998 - ilsb.tuwien.ac.at
In the present report some basic issues of and some of the modeling strategies used for
studying static and quasistatic problems in continuum micromechanics of materials are …

Simulated effects of sample size and grain neighborhood on the modeling of extreme value fatigue response

KS Stopka, M Yaghoobi, JE Allison, DL McDowell - Acta Materialia, 2022 - Elsevier
Assessing the size of representative volume elements (RVEs) for fatigue-related
applications is challenging. A RVE relevant to random microstructure requires a volume of …

Effects of boundary conditions on microstructure-sensitive fatigue crystal plasticity analysis

KS Stopka, M Yaghoobi, JE Allison… - Integrating Materials and …, 2021 - Springer
The relative fatigue resistance of different polycrystalline microstructures can be evaluated
using fatigue indicator parameters (FIPs) that serve as surrogate measures for the fatigue …

[HTML][HTML] Prediction of steel nanohardness by using graph neural networks on surface polycrystallinity maps

K Karimi, H Salmenjoki, K Mulewska, L Kurpaska… - Scripta Materialia, 2023 - Elsevier
Nanoscale hardness in polycrystalline metals is strongly dependent on microstructural
features that are believed to be influenced from polycrystallinity—namely, grain orientations …

Data-driven reduced-order models for rank-ordering the high cycle fatigue performance of polycrystalline microstructures

NH Paulson, MW Priddy, DL McDowell, SR Kalidindi - Materials & Design, 2018 - Elsevier
Computationally efficient estimation of the fatigue response of polycrystalline materials is
critical for the development of next generation materials in application domains such as …

Evaluating the grain-scale deformation behavior of a single-phase FCC high entropy alloy using synchrotron high energy diffraction microscopy

JV Gordon, RE Lim, MJ Wilkin, DC Pagan… - Acta Materialia, 2021 - Elsevier
Although the deformation behavior of high-entropy alloys (HEAs) has been extensively
studied at the macroscale, many important properties have yet to be explored for these …

Advanced acquisition strategies for lab-based diffraction contrast tomography

J Oddershede, F Bachmann, J Sun… - Integrating Materials and …, 2022 - Springer
Three new advanced acquisition strategies for lab-based diffraction contrast tomography are
presented. They are named Helical Phyllotaxis, Helical Phyllotaxis Raster, and Helical …

Effect of microstructure on the elasto-viscoplastic deformation of dual phase titanium structures

T Ozturk, AD Rollett - Computational Mechanics, 2018 - Springer
The present study is devoted to the creation of a process–structure–property database for
dual phase titanium alloys, through a synthetic microstructure generation method and a …

Sparse and scalable eigenstrain-based reduced order homogenization models for polycrystal plasticity

X Zhang, C Oskay - Computer Methods in Applied Mechanics and …, 2017 - Elsevier
In this manuscript, accelerated, sparse and scalable eigenstrain-based reduced order
homogenization models have been developed for computationally efficient multiscale …