V. S. Yusupov
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View article: Production of rods and sheets from TiNiHf alloy with high-temperature shape memory effect by longitudinal rolling and rotary forging methods
Production of rods and sheets from TiNiHf alloy with high-temperature shape memory effect by longitudinal rolling and rotary forging methods Open
Introduction. Ti-Ni based shape memory alloys (SMAs) are functional materials that find widespread practical application in engineering and medicine. Functional properties of Ti-Ni based alloys are sensitive to the chemical composition. To…
View article: Ultra Fast Warm Start Solution for Graph Recommendations
Ultra Fast Warm Start Solution for Graph Recommendations Open
In this work, we present a fast and effective Linear approach for updating recommendations in a scalable graph-based recommender system UltraGCN. Solving this task is extremely important to maintain the relevance of the recommendations und…
View article: Leveraging Geometric Insights in Hyperbolic Triplet Loss for Improved Recommendations
Leveraging Geometric Insights in Hyperbolic Triplet Loss for Improved Recommendations Open
Recent studies have demonstrated the potential of hyperbolic geometry for capturing complex patterns from interaction data in recommender systems. In this work, we introduce a novel hyperbolic recommendation model that uses geometrical ins…
View article: Knowledge Graph Completion with Mixed Geometry Tensor Factorization
Knowledge Graph Completion with Mixed Geometry Tensor Factorization Open
In this paper, we propose a new geometric approach for knowledge graph completion via low rank tensor approximation. We augment a pretrained and well-established Euclidean model based on a Tucker tensor decomposition with a novel hyperboli…
View article: Development of a new technological scheme to produce NiTi seamless tubes
Development of a new technological scheme to produce NiTi seamless tubes Open
View article: Deformation Behavior of NiTi Shape Memory Alloy Subjected to Severe Torsion Deformation
Deformation Behavior of NiTi Shape Memory Alloy Subjected to Severe Torsion Deformation Open
View article: Recent development in powder metallurgy of high-entropy alloys for high-temperature applications: Brief review
Recent development in powder metallurgy of high-entropy alloys for high-temperature applications: Brief review Open
Powder metallurgy of high-entropy alloys has gained significant attention in modern applications due to its low cost and near-net-shape formability. This overview presents the state-of-the-art research on powder metallurgy of high-entropy…
View article: Microstructure and Physico-Mechanical Properties of Biocompatible Titanium Alloy Ti-39Nb-7Zr after Rotary Forging
Microstructure and Physico-Mechanical Properties of Biocompatible Titanium Alloy Ti-39Nb-7Zr after Rotary Forging Open
The evolution of microstructure, phase composition and physico-mechanical properties of the biocompatible Ti-39Nb-7Zr alloy (wt.%) after severe plastic deformation by rotary forging (RF) was studied using various methods including light op…
View article: Structure and Properties of TiNi Shape Memory Alloy after Quasi-Continuous Equal-Channel Angular Pressing in Various Aged States
Structure and Properties of TiNi Shape Memory Alloy after Quasi-Continuous Equal-Channel Angular Pressing in Various Aged States Open
The effect of quasi-continuous (QC) equal-channel angular pressing (ECAP) in various pre-aged states on the structure formation and mechanical and functional properties of a hyper-equiatomic titanium nickelide (TiNi) shape memory alloy is …
View article: Effect of Rotary Swaging on Microstructure and Properties of Cr-Ni-Ti Austenitic Stainless Steel
Effect of Rotary Swaging on Microstructure and Properties of Cr-Ni-Ti Austenitic Stainless Steel Open
In this study, Cr-Ni-Ti austenitic stainless steel was subjected to rotary swaging in various modes, followed by annealing. The effect of processing conditions on the resulting microstructure and, therefore, on the mechanical properties un…
View article: Effect of Rotary Swaging on Mechanical and Operational Properties of Zn–1%Mg and Zn–1%Mg–0.1%Ca Alloys
Effect of Rotary Swaging on Mechanical and Operational Properties of Zn–1%Mg and Zn–1%Mg–0.1%Ca Alloys Open
A study of microstructure, phase composition, mechanical properties, corrosion processes, and biocompatibility in vitro of the Zn–1%Mg and Zn–1%Mg–0.1%Ca alloys in an annealed state and after rotary swaging (RS) is presented. Partially rec…
View article: Effect of Severe Torsion Deformation on Structure and Properties of Titanium–Nickel Shape Memory Alloy
Effect of Severe Torsion Deformation on Structure and Properties of Titanium–Nickel Shape Memory Alloy Open
In the present work, the possibility of applying severe torsion deformation (STD) to a bulk near-equiatomic NiTi shape memory alloy in order to accumulate super-high strain and improve mechanical and functional properties was studied. STD …
View article: Production, Mechanical and Functional Properties of Long-Length TiNiHf Rods with High-Temperature Shape Memory Effect
Production, Mechanical and Functional Properties of Long-Length TiNiHf Rods with High-Temperature Shape Memory Effect Open
In the present work, the possibility of manufacturing long-length TiNiHf rods with a lowered Hf content and a high-temperature shape memory effect in the range of 120–160 °C was studied. Initial ingots with 1.5, 3.0 and 5.0 at.% Hf were ob…
View article: Evolution of Structure and Properties of Nickel-Enriched NiTi Shape Memory Alloy Subjected to Bi-Axial Deformation
Evolution of Structure and Properties of Nickel-Enriched NiTi Shape Memory Alloy Subjected to Bi-Axial Deformation Open
The effect of a promising method of performing a thermomechanical treatment which provides the nanocrystalline structure formation in bulk NiTi shape memory alloy samples and a corresponding improvement to their properties was studied in t…
View article: Effect of Rotary Swaging on the Structure, Mechanical Characteristics and Aging Behavior of Cu-0.5%Cr-0.08%Zr Alloy
Effect of Rotary Swaging on the Structure, Mechanical Characteristics and Aging Behavior of Cu-0.5%Cr-0.08%Zr Alloy Open
A study of the effect of rotary swaging (RS) on the microstructure and properties of the pre-extruded and pre-quenched Cu-0.5%Cr-0.08%Zr alloy was performed. RS leads to the formation of an ultrafine-grained (UFG) microstructure. UFG struc…
View article: Deformability of TiNiHf shape memory alloy under rolling with pulsed current
Deformability of TiNiHf shape memory alloy under rolling with pulsed current Open
Introduction. The deformation capacity of materials is one of the main mechanical characteristics that determine the possibility of its production using various technological processes for metal forming. Among intermetallic compounds, a sp…
View article: Bauschinger effect during alternating deformation
Bauschinger effect during alternating deformation Open
The Bauschinger effect is a phenomenon of a decrease in material resistance to small plastic deformations after preliminary plastic deformation of the opposite direction, discovered in 1881. This effect is of great importance and is used, …
View article: Effect of Post-Deformation Annealing on Structure and Properties of Nickel-Enriched Ti-Ni Shape Memory Alloy Deformed in Various Initially Deformation-Induced Structure States
Effect of Post-Deformation Annealing on Structure and Properties of Nickel-Enriched Ti-Ni Shape Memory Alloy Deformed in Various Initially Deformation-Induced Structure States Open
The effect of post-deformation annealing (PDA) of nickel-enriched Ti-50.9 at.% Ni shape memory alloy deformed in various initially deformation-induced structure states on the structure and properties was studied. The phase composition, tem…
View article: Effect of multi-axial deformation on the structure and properties of a nickel-enriched Ti-Ni shape memory alloy
Effect of multi-axial deformation on the structure and properties of a nickel-enriched Ti-Ni shape memory alloy Open
In the present study, multi-axial severe plastic deformation of a nickel-enriched Ti-Ni shape memory alloy for medical applications was performed using the MaxStrain module of the Gleeble system at 350 °C with a high accumulated true strai…
View article: Biocompatibility and cytotoxicity in vitro of the alloy Mg-1.03%Zn-0.66%Ca strengthened by rotary swaging
Biocompatibility and cytotoxicity in vitro of the alloy Mg-1.03%Zn-0.66%Ca strengthened by rotary swaging Open
View article: Low-temperature processing of Ti-Ni shape memory alloy by E.C.A.P. in shells
Low-temperature processing of Ti-Ni shape memory alloy by E.C.A.P. in shells Open
The possibility of Ti-50.1 at.% Ni SMA processing by the equal-channel angular pressing (ECAP) in core-shell mode at low deformation temperatures was studied in the present work. The ECAP was performed in steel and iron shells in a tempera…
View article: Manufacturing features, structure, and properties of high-purity Mo-Re thin sheets
Manufacturing features, structure, and properties of high-purity Mo-Re thin sheets Open
Manufacturing features, structure and properties of low-alloyed molybdenum sheets 0.5 mm thick made from the experimental Mo-3 wt.% Re single crystal are described and discussed in the present work. The developed technological scheme inclu…
View article: Effect of rotary swaging and subsequent aging on the implant-relevant properties of magnesium alloy WE43
Effect of rotary swaging and subsequent aging on the implant-relevant properties of magnesium alloy WE43 Open
The magnesium alloy WE43 were pre-strained by rotary swaging (RS) with a final temperature of 350°C. RS led to a significant grain refinement with the formation of a predominantly subgrain structure. The average size of the structural elem…
View article: Structure, mechanical characteristics, biodegradation, and in vitro cytotoxicity of magnesium alloy ZX11 processed by rotary swaging
Structure, mechanical characteristics, biodegradation, and in vitro cytotoxicity of magnesium alloy ZX11 processed by rotary swaging Open
View article: Effect of rotary swaging on structure and properties of low-carbon steel
Effect of rotary swaging on structure and properties of low-carbon steel Open
The structural transformation and mechanical properties of a low-carbon 0.2% C steel and a 0.09% C-Mn-V steel in coarse- and ultrafine-grained (UFG) states were studied. The UFG structure with structural elements about 210-375 nm in size w…
View article: Influence of quasi-continuous ECAP with various channel intersection angles on the structure formation, mechanical and functional properties of Ti-Ni shape memory alloys
Influence of quasi-continuous ECAP with various channel intersection angles on the structure formation, mechanical and functional properties of Ti-Ni shape memory alloys Open
Influence of quasi-continuous ECAP with channel intersection angles of 110 and 120° on the structure formation and properties of Ti-50.1 at% Ni shape memory alloy was studied and compared.The structure was studied using X-ray diffraction a…
View article: Evolution of Structure and Properties of Nickel-Enriched Ti-Ni Shape Memory Alloy subjected to Compressive Deformation
Evolution of Structure and Properties of Nickel-Enriched Ti-Ni Shape Memory Alloy subjected to Compressive Deformation Open
The effect of compressive deformation of the nickel-enriched Ti-Ni shape memory alloy in a temperature range of 100 to 900 °С on phase composition, microstructure, mechanical and functional properties was studied.The temperature ranges of …
View article: Low-alloyed molybdenum single crystals: preparation, structure and properties
Low-alloyed molybdenum single crystals: preparation, structure and properties Open
Investigation concerns the method of preparation of low-alloyed molybdenum single crystals directly from molybdenum rods and wire, rod or foil containing the appropriate alloying metal, excluding the stage of pre-fusion of the components i…
View article: Effect of mixing duration and sintering temperature on the magnetic properties of hard magnetic powder alloy Fe-30Cr-8Co (wt.%)
Effect of mixing duration and sintering temperature on the magnetic properties of hard magnetic powder alloy Fe-30Cr-8Co (wt.%) Open
Effect of mixing duration and sintering temperature on the magnetic properties of hard magnetic powder alloy Fe-30Cr-8Co (wt.%) was studied. The obtained magnetic hysteresis properties of the hard magnetic powder alloy are better than as f…
View article: Magnetic hysteresis properties of hard magnetic powder of the Fe-27Cr-10Co-1Si-1Ti alloy
Magnetic hysteresis properties of hard magnetic powder of the Fe-27Cr-10Co-1Si-1Ti alloy Open
As part of the program of development of low-grade (7-12 wt.% of cobalt) of deform-able hard magnetic alloys of the Fe-Cr-Co system , magnetic hysteresis properties of the hard magnetic alloy Fe-27Cr-10Co-1Si-1Ti (27Х10КСТ) have been studi…