Investigations of dislocation-type evolution and strain hardening during mechanical twinning in Fe-22Mn-0.6 C twinning-induced plasticity steel

H Zhi, C Zhang, S Antonov, H Yu, T Guo, Y Su - Acta Materialia, 2020 - Elsevier
In this study, for the first time, the evolution of geometrically necessary dislocation (GND) and
statistically stored dislocation (SSD) densities, as well as their roles in strain hardening …

Toughening effects of Mo and Nb addition on impact toughness and crack resistance of titanium alloys

S Huang, Q Zhao, Y Zhao, C Lin, C Wu, W Jia… - Journal of Materials …, 2021 - Elsevier
Abstract Ti-6Al, Ti-6Al-2Mo and Ti-6Al-3Nb alloys were prepared to investigate the
toughening effects of β stabilizers Mo and Nb on impact toughness and crack resistance of …

Effect of grain size on the ductile-brittle fracture behavior of commercially pure titanium sheet metals

L Sun, Z Xu, L Peng, X Lai - Materials Science and Engineering: A, 2021 - Elsevier
Fabrication of miniaturized titanium thin-walled products directly using sheet metals is
proven to be a promising approach with high productivity. In this process, however, there are …

Evolution of in-plane strain fields onset of a plastically deforming crack in zirconium

R Roy, M Top**, MR Daymond - Acta Materialia, 2024 - Elsevier
Understanding the fracture behaviour of a material is essential for the sustainable design of
structural components. The complex nature of microscale mechanical testing techniques …

A non-local crystal plasticity constitutive model for hexagonal close-packed polycrystals

O Sedaghat, H Abdolvand - International Journal of Plasticity, 2021 - Elsevier
A strain gradient crystal plasticity finite element model is developed to study the evolution of
internal and localized elastic strains in hexagonal close-packed polycrystals. The results of …

Mechanical behavior analysis on SiC/Al composites via in-situ neutron diffraction combined with finite element methods

LM Gu, JF Zhang, ZY Liu, XL Liu, BL **, F Long… - Materials …, 2024 - Elsevier
Dislocation distribution is one of the elementary factors that directly influence deformation
processes in structural components. Electron backscatter diffraction (EBSD) analysis is one …