Influence of lowering basal stacking fault energy on twinning behaviours
Deformation twinning plays a crucial role in the strong anisotropic strength, poor
deformability, and texture and microstructure evolutions of hexagonal metals. Modifying …
deformability, and texture and microstructure evolutions of hexagonal metals. Modifying …
[HTML][HTML] Twinning induced spatial stress gradients: Local versus global stress states in hexagonal close-packed materials
Length scale dependent microstructural heterogeneities serve as effective pathways in
engineering materials for providing simultaneous strength-ductility enhancement. In this …
engineering materials for providing simultaneous strength-ductility enhancement. In this …
Room temperature deformation-induced solute segregation and its impact on twin boundary mobility in a Mg-Y alloy
Mechanical behavior of alloys is influenced by segregation of solute atoms, which affects
deformation mechanisms, such as slip and twinning. In this study, we report on an atomic …
deformation mechanisms, such as slip and twinning. In this study, we report on an atomic …
Deformation-induced multi-step TRIP/TWIP (fcc, hcp) behaviors in metastable Fe55Mn25Co10Cr10 high-entropy alloy at ambient and cryogenic temperatures
The mechanical performance and multi-step TRIP/TWIP behaviors in a metastable Fe 55 Mn
25 Co 10 Cr 10 were systematically investigated at room temperature (RT) and 77 K. The …
25 Co 10 Cr 10 were systematically investigated at room temperature (RT) and 77 K. The …
Three-dimensional atomic scale characterization of {112 2} twin boundaries in titanium
Abstract The {11 2¯ 2}< 11 23¯> compression twin can accommodate a considerable
amount of strain under c-axis compression in Ti. However, unlike the tensile {10 1¯ 2}< 1¯ …
amount of strain under c-axis compression in Ti. However, unlike the tensile {10 1¯ 2}< 1¯ …
[HTML][HTML] Evolution of deformation twinning mechanisms in magnesium from low to high strain rates
We present a systematic investigation of {10 1¯ 2} extension twinning mechanism in single
crystal magnesium micropillars deformed over seven orders of magnitude of strain rate, from …
crystal magnesium micropillars deformed over seven orders of magnitude of strain rate, from …
Investigation of twin growth mechanisms in precipitate hardened AZ91
In this work, an elasto-viscoplastic fast-Fourier-transform (EVP-FFT) model with a dislocation-
density (DD) based hardening law is employed to study the growth of a {10 1¯ 2} tensile twin …
density (DD) based hardening law is employed to study the growth of a {10 1¯ 2} tensile twin …
A new mechanism for nucleation of {112¯ 2}< 112¯ 3¯> twinning via interaction of {112¯ 1}< 112¯ 6¯> twin variants in hexagonal close-packed metals
Twin nucleation in high symmetry cubic structures is closely related to the activities of
dissociated lattice dislocations. However, in low symmetry hexagonal close-packed (HCP) …
dissociated lattice dislocations. However, in low symmetry hexagonal close-packed (HCP) …
The effects of stress, temperature and facet structure on growth of {101¯ 2} twins in Mg: A molecular dynamics and phase field study
The present study focuses on the roles of structure, stress and temperature on the mobility of
facets bounding twin domains and on the overall impact on the growth kinetics of {10 1¯ 2} …
facets bounding twin domains and on the overall impact on the growth kinetics of {10 1¯ 2} …
[HTML][HTML] Atomistic simulations of twin facets associated with three-dimensional {1¯ 011} twins in magnesium
Twinning is a deformation mechanism that creates three-dimensional (3D) twin domains
through the migration of twin facets. This occurs via the nucleation and glide of twinning …
through the migration of twin facets. This occurs via the nucleation and glide of twinning …