Article
Materials Science, Multidisciplinary
M. Haghpanah, A. Esmaeilnia, M. R. Sabour, E. Taherkhani, M. Mosavi Mashhadi, G. Faraji
Summary: In this study, hydrostatic twist extrusion (HTE) was used to process long ultrafine grained (UFG) bulk samples. The use of high-pressure fluid eliminated surface contact between die and sample. The HTE process resulted in a reduction in grain size and an improvement in mechanical properties of the aluminum samples. The process shows promise for future industrial applications.
Review
Materials Science, Multidisciplinary
Ramin Ebrahimi, Faraz Rahimzadeh Lotfabad
Summary: Simple shear extrusion is a severe plastic deformation technique designed in 2009 to obtain ultrafine-grained materials. Extensive research has been conducted to introduce and explore the characteristics of this technique, as well as investigate its potential for industrialization.
MATERIALS SCIENCE AND TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Hamid Bohluli, Mohammad Lakhi, Masoud Rakhshkhorshid
Summary: This research investigates the effect of per pass applied strain on the mechanical and electrical properties of commercial pure copper in twist extrusion process. Two dies with twist angles of 37 degrees and 56 degrees were used to perform the process in 8 passes. Finite element simulation was used to determine the average per pass applied strain. Compressive and hardness testing were conducted to assess mechanical properties, while optical and SEM images were used to analyze the grain refinement and mechanical properties.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
H. Ataei, M. Shahbaz, H. S. Kim, N. Pardis
Summary: The study combined conventional extrusion and twist extrusion to propose a new design called Rectangular Vortex Extrusion (RVE) for single-pass severe plastic deformation. It was found that increasing the die twist angle and friction condition had a synergistic effect on increasing the accumulated strain values in the deformation process.
METALS AND MATERIALS INTERNATIONAL
(2021)
Article
Multidisciplinary Sciences
Changjian Yan, Yunchang Xin, Xiao-Bo Chen, Daokui Xu, Paul K. Chu, Chaoqiang Liu, Bo Guan, Xiaoxu Huang, Qing Liu
Summary: The study demonstrates that ultrafine grained Mg alloys with dense twins exhibit high strength and reduced corrosion rate compared to conventional ultrafine grains, achieved through a carefully designed multi-directional compression treatment refining grain size down to 300nm. This technique not only decreases micro-galvanic corrosion tendency, but also completely suppresses severe localized corrosion.
NATURE COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Mehran Nouri, Hamidreza Mohammadian Semnani, Esmaeil Emadoddin
Summary: The study showed that adding a direct extrusion channel during twist extrusion process can increase hardness distribution and achieve a more homogenous structure.
METALS AND MATERIALS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Dina M. Fouad, Waleed H. El-Garaihy, Mohamed M. Z. Ahmed, Ibrahim Albaijan, Mohamed M. El-Sayed Seleman, Hanadi G. Salem
Summary: The multi-channel spiral twist extrusion (MCSTE) processing significantly refines the grains, enhances the hardness and tensile properties of AA5083. After three successive MCSTE passes, a 65% reduction in grain size was achieved. Additionally, a slightly random texture was observed in the crystallographic texture study due to the presence of intermetallic particles in AA5083.
Article
Materials Science, Multidisciplinary
S. Muralidharan, U. Mohammed Iqbal
Summary: This article proposes a new severe plastic technique called Multi-angular twist channel extrusion (MATE) for processing AA2024 aluminium alloy. The MATE method can impose a large strain in a single pass with better strain homogeneity and lower punch load. The study shows that an average effective strain of 2.78 was achieved with good strain homogeneity, and the tensile strength and hardness of the alloy were significantly increased. The MATE process also led to grain refinement, strain hardening, the development of a strong texture, and a high dislocation density in the extruded metal.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Engineering, Manufacturing
H. Bohluli, K. Khalili, S. M. H. Seyedkashi
Summary: The research shows that the consecutive process of multiple twist extrusion and forward extrusion significantly improves the mechanical properties of aluminum-copper bimetallic bars, including compressive yield strength and shear bond strength, while also increasing hardness. Twist extrusion reduces grain size, and mechanical locking is the main factor in bond formation.
CIRP JOURNAL OF MANUFACTURING SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
A. Babaei, H. Jafarzadeh, H. Mazloumbashiri
Summary: A new technique called NCTS-CEC was introduced for processing ultrafine-grained noncircular thin section profiles through severe plastic deformation. The feasibility of this method was successfully examined on aluminum profiles with various cross-sections, showing improvements in microstructure and mechanical properties after processing. Numerical simulations using finite element software also demonstrated the deformation behavior of the material during processing.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS
(2021)
Review
Materials Science, Multidisciplinary
Kaveh Edalati, Andrea Bachmaier, Victor A. Beloshenko, Yan Beygelzimer, Vladimir D. Blank, Walter J. Botta, Krzysztof Bryla, Jakub Cizek, Sergiy Divinski, Nariman A. Enikeev, Yuri Estrin, Ghader Faraji, Roberto B. Figueiredo, Masayoshi Fuji, Tadahiko Furuta, Thierry Grosdidier, Jeno Gubicza, Anton Hohenwarter, Zenji Horita, Jacques Huot, Yoshifumi Ikoma, Milos Janecek, Megumi Kawasaki, Petr Kral, Shigeru Kuramoto, Terence G. Langdon, Daniel R. Leiva, Valery Levitas, Andrey Mazilkin, Masaki Mito, Hiroyuki Miyamoto, Terukazu Nishizaki, Reinhard Pippan, Vladimir V. Popov, Elena N. Popova, Gencaga Purcek, Oliver Renk, Adam Revesz, Xavier Sauvage, Vaclav Sklenicka, Werner Skrotzki, Boris B. Straumal, Satyam Suwas, Laszlo S. Toth, Nobuhiro Tsuji, Ruslan Z. Valiev, Gerhard Wilde, Michael J. Zehetbauer, Xinkun Zhu
Summary: This article comprehensively reviews recent advances in the development of ultrafine-grained and nanostructured materials through severe plastic deformation and provides a brief history of this field. Severe plastic deformation methods have been effective in producing materials with advanced mechanical and functional properties, and the field of NanoSPD has experienced significant progress in the past two decades.
MATERIALS RESEARCH LETTERS
(2022)
Article
Materials Science, Multidisciplinary
Seyed Moien Faregh, Ghader Faraji, Mahmoud Mosavi Mashhadi, Mohammad Eftekhari
Summary: The study found that the UFG pure copper tube processed by HTCEE method exhibited significant mechanical anisotropy, which can be reduced by the HTCEE process while maintaining low ductility loss.
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
(2022)
Article
Automation & Control Systems
Nanyang Zhu, Chaoyang Sun, Lingyun Qian, Mingjia Wang, Xintong Li
Summary: This study proposes a new variable circular channel angular extrusion (VCCAE) process for manufacturing magnesium alloy plates with rib-web structure. The feasibility and accuracy of the process are validated through numerical simulations and experiments. The results show that stress and strain distribution in the longitudinal section is highly inhomogeneous, with significant stress concentration at the shear plane. The microstructure in the angular region is more uniform and finer, indicating that severe shear deformation induced by the angular channel promotes deformation uniformity and grain refinement.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2022)
Review
Materials Science, Multidisciplinary
Pavel Dolzhenko, Marina Tikhonova, Marina Odnobokova, Rustam Kaibyshev, Andrey Belyakov
Summary: The aim of this review is to summarize recent achievements in the development of ultrafine-grained austenitic/ferritic stainless steels through large strain deformation. The paper discusses various methods of large strain deformation for producing ultrafine-grained metallic materials. It also explores the structural mechanisms responsible for grain refinement during plastic deformation and examines the physical and mechanical properties of ultrafine-grained stainless steels. The review concludes that the development of ultrafine-grained microstructures during severe plastic deformation is a result of continuous dynamic recrystallization, with the misorientations among strain-induced cells/subgrains progressively increasing.
Review
Materials Science, Multidisciplinary
Partha Sarathi Sahoo, Arabinda Meher, Manas Mohan Mahapatra, Pandu R. Vundavilli
Summary: With the increasing demand for better mechanical properties in industrialization, new processing routes like severe plastic deformation (SPD) techniques have become necessary. This study focuses on the fundamentals of SPD methodologies, such as microstructural aspects and the effects of grain size variations, flow stresses, and strain rates. The research also emphasizes the investigation of special inverse Hall-Petch behaviors observed in magnesium alloys. The models developed in this study successfully predict the final grain sizes achievable by SPD techniques and provide a broad overview of the mechanical properties after a clear understanding of these techniques.
Article
Materials Science, Multidisciplinary
Roman Kulagin, Yan Beygelzimer, Yuri Estrin, Artem Schumilin, Peter Gumbsch
ADVANCED ENGINEERING MATERIALS
(2020)
Article
Materials Science, Multidisciplinary
Dmytro Orlov, Roman Kulagin, Yan Beygelzimer
Review
Chemistry, Multidisciplinary
Yan Beygelzimer, Roman Kulagin, Peter Fratzl, Yuri Estrin
Summary: Structural patterns in living organisms have long inspired biomimetic materials design, but it is suggested that a rich palette of patterns in inanimate Nature, especially in the Earth's lithosphere, could also inspire the design of novel architectured materials. This materials design paradigm, known as lithomimetics, demonstrates that some lithosphere patterns can be emulated through established processes, offering new avenues for materials design by borrowing potentially promising structural patterns from the lithosphere.
ADVANCED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Farid Z. Utyashev, Yan E. Beygelzimer, Ruslan Z. Valiev
Summary: Large and severe plastic deformations have different effects on the microstructure and properties of metals. Severe plastic deformation can produce ultrafine grains with high mechanical and functional properties.
ADVANCED ENGINEERING MATERIALS
(2021)
Article
Chemistry, Physical
Yan Beygelzimer, Yuri Estrin, Andrey Mazilkin, Torsten Scherer, Brigitte Baretzky, Horst Hahn, Roman Kulagin
Summary: High-Pressure Torsion (HPT) is presented as an effective method for mixing metals in the solid state, with a stirring efficacy index introduced to quantitatively describe the mixing process. It is found that mechanical mixing only occurs after a certain threshold shear strain, leading to an increase in the uniformity of metal distribution. Differences in stirring between solid metals and liquids are also elucidated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Viet Q. Vu, Laszlo S. Toth, Yan Beygelzimer, Yajun Zhao
Summary: The FALEP process effectively transforms aluminum Al-1050 from bulk material to metal sheets in one deformation step at room temperature. It significantly refines the microstructure, enhances texture, and improves strength characteristics, making it a promising candidate for industrial applications.
Article
Polymer Science
Victor Beloshenko, Yan Beygelzimer, Vyacheslav Chishko, Bogdan Savchenko, Nadiya Sova, Dmytro Verbylo, Andrei Voznyak, Iurii Vozniak
Summary: This study compared the mechanical behavior of lattice materials based on flexible TPU with honeycomb and gyroid architecture using tensile, compression, and three-point bending tests. The results showed that the honeycomb architecture provided higher values of rigidity, strength, plasticity, and energy absorption compared to the gyroid architecture.
Article
Materials Science, Multidisciplinary
Yuri Estrin, Yan Beygelzimer, Roman Kulagin, Peter Gumbsch, Peter Fratzl, Yuntian Zhu, Horst Hahn
Summary: This article discusses hot topics in materials design, including designs inspired by nature and those created by scientists. It provides an overview of the design principles, properties, and future prospects of emerging materials architectures.
MATERIALS RESEARCH LETTERS
(2021)
Article
Materials Science, Multidisciplinary
V. Tavakkoli, A. Mazilkin, T. Scherer, M. Mail, Y. Beygelzimer, B. Baretzky, Y. Estrin, R. Kulagin
Summary: In the study, it was found that during high-pressure torsion, the molybdenum layer loses planarity, leading to periodic folds and vortices, causing ruptures; a blocky substructure was formed in the molybdenum layer, while a significant fragmentation of the copper layer occurred; the proposed mathematical model, based on gradient plasticity theory, predicted the instability of the harder molybdenum layer.
Review
Materials Science, Multidisciplinary
Kaveh Edalati, Andrea Bachmaier, Victor A. Beloshenko, Yan Beygelzimer, Vladimir D. Blank, Walter J. Botta, Krzysztof Bryla, Jakub Cizek, Sergiy Divinski, Nariman A. Enikeev, Yuri Estrin, Ghader Faraji, Roberto B. Figueiredo, Masayoshi Fuji, Tadahiko Furuta, Thierry Grosdidier, Jeno Gubicza, Anton Hohenwarter, Zenji Horita, Jacques Huot, Yoshifumi Ikoma, Milos Janecek, Megumi Kawasaki, Petr Kral, Shigeru Kuramoto, Terence G. Langdon, Daniel R. Leiva, Valery Levitas, Andrey Mazilkin, Masaki Mito, Hiroyuki Miyamoto, Terukazu Nishizaki, Reinhard Pippan, Vladimir V. Popov, Elena N. Popova, Gencaga Purcek, Oliver Renk, Adam Revesz, Xavier Sauvage, Vaclav Sklenicka, Werner Skrotzki, Boris B. Straumal, Satyam Suwas, Laszlo S. Toth, Nobuhiro Tsuji, Ruslan Z. Valiev, Gerhard Wilde, Michael J. Zehetbauer, Xinkun Zhu
Summary: This article comprehensively reviews recent advances in the development of ultrafine-grained and nanostructured materials through severe plastic deformation and provides a brief history of this field. Severe plastic deformation methods have been effective in producing materials with advanced mechanical and functional properties, and the field of NanoSPD has experienced significant progress in the past two decades.
MATERIALS RESEARCH LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Chunrui Song, Wei Xu, Nikita Liedienov, Igor Fesych, Roman Kulagin, Yan Beygelzimer, Xin Zhang, Yonghao Han, Quanjun Li, Bingbing Liu, Aleksey Pashchenko, Georgiy Levchenko
Summary: In this study, a novel multiferroic-like nanocomposite is designed and obtained using the high-pressure torsion (HPT) method. The obtained results show that the composite consists of exchange-interacting ferroelectric and ferromagnetic phases, and it demonstrates improved magnetic and electrical properties at room temperature. The new composite also exhibits a giant increase in residual polarization with an increase in external high-pressure. These findings suggest that the novel nanocomposite can be used in electronic devices for monitoring ultra-high-pressure and in integrated circuits of high-speed computing nanosystems.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Yan Beygelzimer, Yuri Estrin, Oleksandr Davydenko, Roman Kulagin
Summary: The article presents a theoretical study of the regimes of high-pressure torsion (HPT) with possible slippage of the deforming material on the interfaces with anvils. A generalised condition for gripping the specimen with anvils is established, providing a basis for an analytical investigation of the HPT deformation. The results of the analytical modelling are supported by finite-element calculations, showing that plastic deformation is furnished by non-shear flows for friction stress below the shear stress of the specimen material, expanding the range of possible process regimes.
Article
Materials Science, Multidisciplinary
Yan Beygelzimer, Alexander Filippov, Yuri Estrin
Summary: This article introduces the concept of "solid-state turbulence", which is not a contradiction in terms. It demonstrates that solid-state turbulence can emerge due to the ability of a solid to retain its shape. Through experiments, it is shown that layers of solids with different flow stress can spontaneously decompose into a set of blocks under high-pressure torsion, which is fundamental for the occurrence of solid-state turbulence. A heuristic model based on the discretization of a continuum into interacting "particles" is used to visualize solid-state turbulence. Numerical experiments support the occurrence of velocity and pressure pulsations in plastically deforming solids and the emergence of vortices characteristic of classical turbulence. This phenomenon has important practical implications for solid-state mixing as an ecologically beneficial alternative to conventional metallurgical processing routes.
PHILOSOPHICAL MAGAZINE
(2023)
Article
Engineering, Manufacturing
Emmanuil Beygelzimer, Yan Beygelzimer
Summary: This article verifies the mathematical model of water-jet cooling of steel plates through experimental studies. The model accurately considers factors such as the thickness of the oxide scale layer, flow rates, and water temperature. The results confirm the effectiveness of the model in temperature control processes.
JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING
(2022)
Article
Metallurgy & Metallurgical Engineering
O. V. Prokof'eva, Y. Y. Beygelzimer, V. V. Usov, N. M. Shkatulyak, T. S. Sovkova, A. N. Sapronov, D. V. Prilepo, V. N. Varyukhin
RUSSIAN METALLURGY
(2020)
