Strain-rate effect on plasticity and ω-phase transformation in single crystal titanium: A molecular dynamics study

S Rawat, S Chaturvedi - Mechanics of Materials, 2020 - Elsevier
We employ molecular dynamics simulations to investigate the role of applied strain rate on
plasticity (twinning and dislocation slip) and ω-phase transformation in single crystal titanium …

Twinning, phase transformation and dislocation evolution in single crystal titanium under uniaxial strain conditions: A molecular dynamics study

S Rawat, N Mitra - Computational Materials Science, 2020 - Elsevier
We perform molecular dynamics simulations to investigate the microstructural evolution and
role of twinning on ω-phase transformation in single crystal Ti for loading perpendicular to …

Compression twinning and structural phase transformation of single crystal titanium under uniaxial compressive strain conditions: comparison of inter-atomic …

S Rawat, N Mitra - Computational Materials Science, 2017 - Elsevier
We perform molecular dynamics simulations to simulate the c-axis compression of single
crystal Ti at high strain rates under uniaxial strain conditions. Since it is well known that …

Molecular dynamics investigation of c-axis deformation of single crystal Ti under uniaxial stress conditions: Evolution of compression twinning and dislocations

S Rawat, N Mitra - Computational Materials Science, 2018 - Elsevier
Twinning plays an important role on the microstructure evolution of HCP metals. In this work,
we perform c-axis compression of single crystal Ti under uniaxial stress conditions using …

Phase transformation mediated anomalous plasticity of titanium under severe loading conditions

T Li, H Zong - International Journal of Mechanical Sciences, 2023 - Elsevier
Titanium (Ti) with ω phase is always considered brittle and non-deformable. Therefore, little
is known of the role of ω phase in the anomalously high plasticity of titanium alloys …

Evolution of microstructural deformation mechanisms under equal-channel angular extrusion loading conditions: a molecular dynamics case study of single crystal …

S Rawat, N Mitra - Philosophical Magazine, 2021 - Taylor & Francis
Classical molecular dynamics simulations have been performed to investigate the
microstructural evolution of single crystal titanium under equal channel angular extrusion …

Twinning mechanism asymmetry in body-centered cubic tantalum under [001] uniaxial compression/tension

G Wei, H Xie, F Yin, G Lu - Physical Review Materials, 2021 - APS
Plasticity of body-centered cubic tantalum with preexisting dislocations is investigated under
[001] uniaxial compression/tension loading using a molecular dynamic simulation method …

Transformation-induced plasticity in omega titanium

AH Zahiri, J Ombogo, T Ma, P Chakraborty… - Journal of Applied …, 2021 - pubs.aip.org
ω-titanium (Ti) is a high-pressure phase that is conventionally perceived to be brittle and
nondeformable, although direct investigations of its deformation process remain scarce. In …

Strain hardening due to deformation twinning in α-titanium: Constitutive relations and crystal-plasticity modeling

AA Salem, SR Kalidindi, SL Semiatin - Acta Materialia, 2005 - Elsevier
The mechanisms governing twin-induced strain hardening of high-purity α-titanium at room
temperature were incorporated into constitutive laws to describe the evolution of both twin …

Coupled nonlinear elasticity, plastic slip, twinning, and phase transformation in single crystal titanium for plate impact loading

B Feng, CA Bronkhorst, FL Addessio… - Journal of the …, 2019 - Elsevier
High purity single crystal titanium (Ti) under shockwave loading in plate impact experiment
is modeled and simulated, with help of the finite element. A thermodynamically consistent …