Structural evolutions of metallic materials processed by severe plastic deformation

Y Cao, S Ni, X Liao, M Song, Y Zhu - Materials Science and Engineering: R …, 2018 - Elsevier
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …

A review on high-pressure torsion (HPT) from 1935 to 1988

K Edalati, Z Horita - Materials Science and Engineering: A, 2016 - Elsevier
High-pressure torsion (HPT) method currently receives much attention as a severe plastic
deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his …

Phase transformations induced by severe plastic deformation

A Mazilkin, B Straumal, A Kilmametov… - Materials …, 2019 - jstage.jst.go.jp
Severe plastic deformation (SPD) can induce various phase transformations. After a certain
strain, the dynamic equilibrium establishes between defects production by an external force …

Phase transitions in metallic alloys driven by the high pressure torsion

B Straumal, A Korneva, P Zieęba - Archives of Civil and Mechanical …, 2014 - Springer
Severe plastic deformation can lead to the phase transformations in the materials. Even the
severe plastic deformation at ambient temperature is frequently equivalent to the heat …

Accelerated diffusion and phase transformations in Co–Cu alloys driven by the severe plastic deformation

BB Straumal, AA Mazilkin, B Baretzky… - Materials …, 2012 - jstage.jst.go.jp
The objective of this work is to prove whether the concept of effective temperature is
applicable to the severe plastic deformation (SPD). This concept was originally developed …

Work-hardening induced tensile ductility of bulk metallic glasses via high-pressure torsion

SH Joo, DH Pi, ADH Setyawan, H Kato, M Janecek… - Scientific reports, 2015 - nature.com
The mechanical properties of engineering materials are key for ensuring safety and
reliability. However, the plastic deformation of BMGs is confined to narrow regions in shear …

Phase transitions induced by severe plastic deformation: steady-state and equifinality: Paper presented at “XV International Conference on Electron Microscopy”, 15 …

BB Straumal, AR Kilmametov, Y Ivanisenko… - International Journal of …, 2015 - degruyter.com
During severe plastic deformation (SPD), a steady-state is usually reached after a certain
value of strain (ie number of passes during equal-channel pressing or number of rotations …

Rejuvenation by weakening the medium range order in Zr46Cu46Al8 metallic glass with pressure preloading: A molecular dynamics simulation study

SD Feng, KC Chan, L Zhao, SP Pan, L Qi, LM Wang… - Materials & Design, 2018 - Elsevier
Rejuvenation is the structural excitation of metallic glasses that can significantly increase the
enthalpy and free volume. Here, the rejuvenation in Zr 46 Cu 46 Al 8 metallic glasses with …

[HTML][HTML] Severe plastic deformation of amorphous alloys

Á Révész, Z Kovács - Materials Transactions, 2019 - jstage.jst.go.jp
Bulk metallic glasses having a disordered amorphous structure have been in the focus of
recent intensive materials research due to their special mechanical properties, however …

High-pressure torsion of non-equilibrium hydrogen storage materials: A review

Á Révész, M Gajdics - Energies, 2021 - mdpi.com
As the most abundant element in the world, hydrogen is a promising energy carrier and has
received continuously growing attention in the last couple of decades. At the very moment …