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 …

Review on recent advancements in severe plastic deformation of oxides by high‐pressure torsion (HPT)

K Edalati - Advanced Engineering Materials, 2019 - Wiley Online Library
Severe plastic deformation (SPD) of oxides has been of interest in mineralogy and geology
for many decades, but oxides have ionic or covalent bonds with brittle nature and can hardly …

Unusual plastic strain-induced phase transformation phenomena in silicon

S Yesudhas, VI Levitas, F Lin, KK Pandey… - Nature …, 2024 - nature.com
Pressure-induced phase transformations (PTs) in Si, the most important electronic material,
have been broadly studied, whereas strain-induced PTs have never been studied in situ …

Design and synthesis of a magnesium alloy for room temperature hydrogen storage

K Edalati, R Uehiro, Y Ikeda, HW Li, H Emami… - Acta Materialia, 2018 - Elsevier
Safe and high-density storage of hydrogen is a key issue for development of hydrogen as a
clean energy carrier. Hydride-forming materials are potential candidates for safe and high …

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 …

High-pressure zinc oxide phase as visible-light-active photocatalyst with narrow band gap

H Razavi-Khosroshahi, K Edalati, J Wu… - Journal of Materials …, 2017 - pubs.rsc.org
Wide band gap of pure ZnO with wurtzite crystal structure (3.1–3.4 eV) limits its
photocatalytic activity to the ultraviolet (UV) region of solar spectrum. High-pressure rocksalt …

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 …

Photocatalytic hydrogen generation on low-bandgap black zirconia (ZrO 2) produced by high-pressure torsion

Q Wang, K Edalati, Y Koganemaru… - Journal of Materials …, 2020 - pubs.rsc.org
Photocatalysis on semiconductors using solar energy sources provides a clean technology
to produce hydrogen from water splitting. Although zirconia (ZrO2) is a semiconductor oxide …

Amorphization and nanocrystallization of silicon under shock compression

S Zhao, EN Hahn, B Kad, BA Remington… - Acta Materialia, 2016 - Elsevier
Abstract High-power, short-duration, laser-driven, shock compression and recovery
experiments on [001] silicon unveiled remarkable structural changes above a pressure …

Shear driven formation of nano-diamonds at sub-gigapascals and 300 K

Y Gao, Y Ma, Q An, V Levitas, Y Zhang, B Feng… - Carbon, 2019 - Elsevier
The transformation pathways of carbon at high pressures are of broad interest for synthesis
of novel materials and for revealing the Earth's geological history. We have applied large …