Investigation of damage mechanisms related to microstructural features of ferrite-cementite steels via experiments and multiscale simulations

H Wang, F Wang, D Qian, F Chen, Z Dong… - International Journal of …, 2023 - Elsevier
Spheroidized ferrite-cementite steel (SFC) is susceptible to micro-defects owing to the
mismatched deformation between the ferrite and cementite during cold forming, which …

Microstructure-and damage-nucleation-based crystal plasticity finite element modeling for the nucleation of multi-type voids during plastic deformation of Al alloys

PF Gao, MY Fei, M Zhan, MW Fu - International Journal of Plasticity, 2023 - Elsevier
During deformation of aluminum (Al) alloys, there are three kinds of voids being formed by
distinct mechanisms, ie, matrix-cracking voids (MCVs), particle-cracking voids (PCVs), and …

Voids development in metals: Numerical modelling

W Wciślik, S Lipiec - Materials, 2023 - mdpi.com
The article is a continuation of two previous review papers on the fracture mechanism of
structural metals through the nucleation, growth and coalescence of voids. In the present …

The interface effect on crack nucleation under dwell fatigue loading in dual-phase Ti alloy

L Zhang, B Jiang, J Qiu, X Cao, J Lei, R Yang… - International Journal of …, 2023 - Elsevier
The microstructure of dual-phase Ti alloys crucially influences the nucleation of dwell fatigue
cracks, which is of significance in determining the dwell fatigue life of Ti alloys. However, the …

A multiscale investigation into the effect of grain size on void evolution and ductile fracture: Experiments and crystal plasticity modeling

X Shang, H Zhang, Z Cui, MW Fu, J Shao - International Journal of …, 2020 - Elsevier
The effect of grain size on micro-void evolution and further macroscopic fracture in an
austenite steel 316LN was studied through a series of experiments together with the full-field …

The mechanism for an orientation dependence of grain boundary strengthening in pure titanium

B Guan, Y Xin, X Huang, C Liu, P Wu, Q Liu - International Journal of …, 2022 - Elsevier
Abstract The Hall-Petch slope k represents the magnitude of grain boundary strengthening.
For the first time, a strong orientation dependence of the k for pure titanium (Ti) is reported in …

Crystal Plasticity simulations of in situ tensile tests: A two-step inverse method for identification of CP parameters, and assessment of CPFEM capabilities

D Depriester, JP Goulmy, L Barrallier - International Journal of Plasticity, 2023 - Elsevier
As the computational capability of modern computers increases, the Crystal Plasticity Finite
Element Method (CPFEM) becomes more and more popular in materials science to model …

Quantification of α phase strengthening in titanium alloys: crystal plasticity model incorporating α/β heterointerfaces

M Zhang, J Li, B Tang, WY Wang, K Li, T Zhang… - International Journal of …, 2022 - Elsevier
A strategy to quantify the second phase strengthening of α precipitates in titanium alloys is
proposed to predict the mechanical performance through crystal plasticity finite element …

Void nucleation at dislocation boundaries aided by the synergy of multiple dislocation pile-ups

P Yang, P Zhao - International Journal of Plasticity, 2023 - Elsevier
Void nucleation is of great significance in understanding ductile fracture. Recent
experiments have shown that voids are nucleated via vacancy condensation and dislocation …

Void nucleation and growth from heterophases and the exploitation of new toughening mechanisms in metals

Y Guo, C Paramatmuni, E Avcu - Crystals, 2023 - mdpi.com
Heterophases, such as precipitates, inclusions, second phases, or reinforcement particles,
often drive void nucleation due to local incompatibilities in stresses/strains. This results in a …