Exceptional ductility through interface-constrained grain growth for the ultrafine-scale Ni/Ni-W layered composites

F Liang, ZX Wang, MY Li, B Zhang, XM Luo… - International Journal of …, 2024 - Elsevier
Enhancing the strength of metallic laminates through decreasing the constituent layer
thickness from micrometer to nanometer scale is usually accompanied by the degradation of …

Effects of element type on accuracy of microstructural mesh crystal plasticity finite element simulations and comparisons with elasto-viscoplastic fast Fourier transform …

J Weiss, M Knezevic - Computational Materials Science, 2024 - Elsevier
In this work, we performed massive crystal plasticity finite element (CPFE) simulations to
reveal the effects of element type on the accuracy of predicted mechanical fields and overall …

Role of grain boundary crystallography on void growth in FCC metals

PG Christodoulou, M Zecevic, RA Lebensohn… - International Journal of …, 2023 - Elsevier
The growth of an isolated spherical void at and near a grain boundary or a triple junction is
studied by means of full-field crystal plasticity simulations with explicit representation of the …

Implementation and experimental validation of nonlocal damage in a large-strain elasto-viscoplastic FFT-based framework for predicting ductile fracture in 3D …

CK Cocke, H Mirmohammad, M Zecevic… - International Journal of …, 2023 - Elsevier
Ductile materials, such as metal alloys, can undergo substantial deformation before failure.
Additionally, these materials are usually of polycrystalline composition and exhibit strongly …

[HTML][HTML] A fast numerical method for the conductivity of heterogeneous media with Dirichlet boundary conditions based on discrete sine–cosine transforms

L Morin, J Paux - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
The aim of this work is to develop a fast numerical method for solving conductivity problems
in heterogeneous media subjected to Dirichlet boundary conditions. The method is based …

Non-local large-strain FFT-based formulation and its application to interface-dominated plasticity of nano-metallic laminates

M Zecevic, RA Lebensohn, L Capolungo - … of the Mechanics and Physics of …, 2023 - Elsevier
This paper presents a novel formulation and its robust numerical implementation of strain-
gradient (SG) crystal plasticity within a large-strain (LS) elasto-viscoplastic (EVP) fast Fourier …

[HTML][HTML] Advancements in and Applications of Crystal Plasticity Modelling of Metallic Materials

V Loukadakis, S Papaefthymiou - Crystals, 2024 - mdpi.com
Integrated Computational Materials Engineering (ICME) is a set of methodologies utilized by
researchers and engineers assisting the study of material behaviour during production …

A consistent discretization via the finite radon transform for FFT-based computational micromechanics

L Jabs, M Schneider - Computational Mechanics, 2024 - Springer
This work explores connections between FFT-based computational micromechanics and a
homogenization approach based on the finite Radon transform introduced by Derraz and co …

A fast Fourier transform-based solver for elastic micropolar composites

NM Francis, F Pourahmadian, RA Lebensohn… - Computer Methods in …, 2024 - Elsevier
This work presents a spectral micromechanical formulation for obtaining the full-field and
homogenized response of elastic micropolar composites. The algorithm relies on a coupled …

[HTML][HTML] Surface nanocrystallization mechanism of additive manufactured 316L stainless steel via high-energy shot peening

C Zhang, J Wu, R Xu, Y Zhu, B Xu, H Yang - Journal of Materials Research …, 2024 - Elsevier
High-energy shot peening (HESP) is an effective way to achieve surface nanocrystallization
modification of additive manufactured metal parts, significantly improving their mechanical …