Failure of metals III: Fracture and fatigue of nanostructured metallic materials

A Pineau, AA Benzerga, T Pardoen - Acta Materialia, 2016 - Elsevier
Pushing the internal or external dimensions of metallic alloys down to the nanometer scale
gives rise to strong materials, though most often at the expense of a low ductility and a low …

Unlocking the potential of second-order computational homogenisation: An overview of distinct formulations and a guide for their implementation

IA Rodrigues Lopes, FM Andrade Pires - Archives of Computational …, 2022 - Springer
Multi-scale models enriched with the second gradient of the displacement field and based
on the concept of representative volume element (RVE) are examined and discussed in …

Influence of martensite volume fraction and hardness on the plastic behavior of dual-phase steels: Experiments and micromechanical modeling

Q Lai, L Brassart, O Bouaziz, M Gouné… - International Journal of …, 2016 - Elsevier
Abstract Model dual-phase microstructures were developed to decouple the effect of
martensite volume fraction and martensite hardness on the plastic behavior of dual-phase …

Impact of second phase morphology and orientation on the plastic behavior of dual-phase steels

K Ismail, A Perlade, PJ Jacques, T Pardoen… - International Journal of …, 2019 - Elsevier
Martensite volume fraction, composition and grain size are the known primary factors
controlling the mechanical behavior of ferrite-martensite dual-phase steels. Recently …

Thermo-mechanical strain gradient plasticity with energetic and dissipative length scales

GZ Voyiadjis, D Faghihi - International Journal of Plasticity, 2012 - Elsevier
Plasticity in heterogeneous metallic materials of small volumes is governed by the
interactions of the dislocations in the bulk and at the interfaces. The temperature distribution …

Influence of loading direction on the behavior of anisotropic granular materials

X Li, HS Yu - International Journal of Engineering Science, 2009 - Elsevier
Due to material anisotropy, the behavior of a granular material is generally directional-
dependent. The directions of stress and strain increment have been observed non …

Non-local plasticity effects on notch fracture mechanics

E Martínez-Pañeda, S del Busto, C Betegón - Theoretical and Applied …, 2017 - Elsevier
We investigate the influence of gradient-enhanced dislocation hardening on the mechanics
of notch-induced failure. The role of geometrically necessary dislocations (GNDs) in …

Обзор математических моделей для описания фазовых превращений в сталях

ИЛ Исупова, ПВ Трусов - Вестник Пермского национального …, 2013 - cyberleninka.ru
В сталях наблюдаются все известные для твердого состояния фазовые превращения:
полиморфное с широким спектром морфологических и кинетических особенностей; …

A fully second‐order homogenization formulation for the multi‐scale modeling of heterogeneous materials

IA Rodrigues Lopes… - International Journal for …, 2022 - Wiley Online Library
A homogenization‐based multi‐scale model at finite strains is proposed linking the micro‐
scale to the macro‐scale level through a second‐gradient constitutive theory. It is suitable for …

Interface controlled plastic flow modelled by strain gradient plasticity theory

T Pardoen, TJ Massart - Comptes …, 2012 - comptes-rendus.academie-sciences …
The plasticity and fracture mechanisms of metallic polycrystals are often dominated by the
presence of interfaces which constitute either barriers to dislocation motion, easy paths for …