Nanomaterials by severe plastic deformation: review of historical developments and recent advances

K Edalati, A Bachmaier, VA Beloshenko… - Materials Research …, 2022 - Taylor & Francis
Severe plastic deformation (SPD) is effective in producing bulk ultrafine-grained and
nanostructured materials with large densities of lattice defects. This field, also known as …

Amorphization by mechanical deformation

BY Li, AC Li, S Zhao, MA Meyers - Materials Science and Engineering: R …, 2022 - Elsevier
Amorphization of crystalline structures is a ubiquitous phenomenon in metals, ceramics, and
intermetallic compounds. Although the amorphous phase generally has a higher Gibbs free …

High-pressure phase transformations under severe plastic deformation by torsion in rotational anvils

VI Levitas - Materials Transactions, 2019 - jstage.jst.go.jp
Numerous experiments have documented that combination of severe plastic deformation
and high mean pressure during high-pressure torsion in rotational metallic, ceramic, or …

Phase transformations, fracture, and other structural changes in inelastic materials

VI Levitas - International Journal of Plasticity, 2021 - Elsevier
Review of selected fundamental topics on the interaction between phase transformations,
fracture, and other structural changes in inelastic materials is presented. It mostly focuses on …

Stress-assisted (γ→ α′) and strain-induced (γ→ ε→ α′) phase transformation kinetics laws implemented in a crystal plasticity model for predicting strain path …

Z Feng, M Zecevic, M Knezevic - International Journal of Plasticity, 2021 - Elsevier
This paper formulates stress-assisted and strain-induced austenite to martensite
transformation kinetics laws within a crystal plasticity framework to enable modeling of strain …

Shock-induced amorphization in silicon carbide

S Zhao, R Flanagan, EN Hahn, B Kad, BA Remington… - Acta Materialia, 2018 - Elsevier
While silicon carbide (SiC) has been predicted to undergo pressure-induced amorphization,
the microstructural evidence of such a drastic phase change is absent as its brittleness …

Recent in situ experimental and theoretical advances in severe plastic deformations, strain-induced phase transformations, and microstructure evolution under high …

VI Levitas - Materials transactions, 2023 - jstage.jst.go.jp
Severe plastic deformations (SPD) under high pressure, mostly by high-pressure torsion, are
employed for producing nanostructured materials and stable or metastable high-pressure …

Amorphization induced by 60 shuffle dislocation pileup against different grain boundaries in silicon bicrystal under shear

H Chen, VI Levitas, L Xiong - Acta Materialia, 2019 - Elsevier
Molecular dynamics (MD) simulations of the amorphous band nucleation and growth ahead
of the tip of a shuffle 60 o dislocation pileup at different grain boundaries (GBs) in diamond …

[HTML][HTML] Severe plastic deformation for producing Superfunctional ultrafine-grained and heterostructured materials: An interdisciplinary review

K Edalati, AQ Ahmed, S Akrami, K Ameyama… - Journal of Alloys and …, 2024 - Elsevier
Ultrafine-grained and heterostructured materials are currently of high interest due to their
superior mechanical and functional properties. Severe plastic deformation (SPD) is one of …

Phase field approach for stress-and temperature-induced phase transformations that satisfies lattice instability conditions. Part I. General theory

VI Levitas - International Journal of Plasticity, 2018 - Elsevier
Recently, results of molecular dynamics (MD) simulations were obtained for the crystal
lattice instability conditions for the phase transformations (PTs) between semiconducting Si I …