E. A. Luk’yanova
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View article: Implantable Bioresorbable Scaffold with Fucosylated Chondroitin Sulfate as a Promising Device for Delayed Stimulation of Hematopoiesis
Implantable Bioresorbable Scaffold with Fucosylated Chondroitin Sulfate as a Promising Device for Delayed Stimulation of Hematopoiesis Open
The aim of this study was to evaluate the prospects of using natural fucosylated chondroitin sulfate (FCS) from the sea cucumber Cucumaria japonica as the active component of an implantable biodegradable scaffold to stimulate hematopoiesis…
View article: Relationship Between Structure and Functional Properties of Ultrafine-Grained Fe-Mn-Si Alloys for Temporary Implants
Relationship Between Structure and Functional Properties of Ultrafine-Grained Fe-Mn-Si Alloys for Temporary Implants Open
This paper presents a study of microstructure formation in bioresorbable Fe-Mn-Si alloys for temporary implants under high-pressure torsion (HPT) at room temperature and at 300 °C. The effect of silicon on the mechanism of microstructure f…
View article: THE EFFECT OF DEFORMATION PROCESSING ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Mg-Y-Gd-Zr ALLOY
THE EFFECT OF DEFORMATION PROCESSING ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Mg-Y-Gd-Zr ALLOY Open
Microstructure and properties of the magnesium alloy Mg-3.5Y-5.5Gd-0.3Zr (wt. %) have beenstudied after hot extrusion and rotary swaging. The effect of the deformation method on thekinetics of the decomposition of the magnesium supersatura…
View article: Effect of Nanostructuring on Operational Properties of 316LVM Steel
Effect of Nanostructuring on Operational Properties of 316LVM Steel Open
In this study, high-pressure torsion (HPT) was used to process austenitic 316LVM stainless steel at 20 °C and 400 °C. The effects of HPT on the microstructure, mechanical, and functional properties of the steel were investigated. By applyi…
View article: Improved Mechanical Properties of Biocompatible Zn-1.7%Mg and Zn1.7%Mg-0.2%Zr Alloys Deformed with High-Pressure Torsion
Improved Mechanical Properties of Biocompatible Zn-1.7%Mg and Zn1.7%Mg-0.2%Zr Alloys Deformed with High-Pressure Torsion Open
The potential medical Zn-1.7%Mg and Zn-1.7%Mg-0.2%Zr alloys strengthened using high-pressure torsion (HPT) were investigated in this work. HPT led to a significant refinement of the microstructure of both alloys with the formation of an ul…
View article: Study of biocompatibility and antitumor cytotoxic activity <i>in vitro</i> of Zn – 1 %Mg and Zn – 1 %Mg – 0.1 %Ca alloys strengthened by equal angular pressing
Study of biocompatibility and antitumor cytotoxic activity <i>in vitro</i> of Zn – 1 %Mg and Zn – 1 %Mg – 0.1 %Ca alloys strengthened by equal angular pressing Open
Introduction. The biological activity of potential biodegradable zinc-based alloys that are promising for oncoorthopedics was studied in this work. The alloys were processed by equal-channel angular pressing, which made it possible to incr…
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 Samarium on the Properties of Hot-Extruded Mg–Y–Gd–Zr Alloys
Effect of Samarium on the Properties of Hot-Extruded Mg–Y–Gd–Zr Alloys Open
The effect of such an additional promising alloying element as samarium on hot-extruded Mg–Y–Gd–Zr alloys is investigated. The microstructure, kinetics of aging during the decomposition of a supersaturated Mg solid solution, and the mechan…
View article: Bioactivity Features of a Zn-1%Mg-0.1%Dy Alloy Strengthened by Equal-Channel Angular Pressing
Bioactivity Features of a Zn-1%Mg-0.1%Dy Alloy Strengthened by Equal-Channel Angular Pressing Open
The structure, phase composition, corrosion and mechanical properties, as well as aspects of biocompatibility in vitro and in vivo, of a Zn-1%Mg-0.1%Dy alloy after equal-channel angular pressing (ECAP) were studied. The structure refinemen…
View article: Biocompatibility and Degradation of Fe-Mn-5Si Alloy after Equal-Channel Angular Pressing: In Vitro and In Vivo Study
Biocompatibility and Degradation of Fe-Mn-5Si Alloy after Equal-Channel Angular Pressing: In Vitro and In Vivo Study Open
An attempt to improve the functional characteristics of a degradable Fe-Mn-5Si shape memory alloy by means of structure refinement by equal-channel angular pressing (ECAP) was made. In the course of ECAP, an austenitic ultrafine-grained st…
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: Land monitoring and cartographic surveys using aeronautical aids
Land monitoring and cartographic surveys using aeronautical aids Open
Nowadays there are many tasks, the implementation of which can be fully or partially assigned to aerostatic balloons, as to air laboratories. This paper analyzes the existing types of balloons and possible tasks for their use. The possibil…
View article: Effect of multiaxial deformation on structure, mechanical properties, and corrosion resistance of a Mg-Ca alloy
Effect of multiaxial deformation on structure, mechanical properties, and corrosion resistance of a Mg-Ca alloy Open
View article: The strength increase by nano-scale particles precipitated during magnesium solid solution decomposition in magnesium alloys with the rare-earth metals of the yttrium group
The strength increase by nano-scale particles precipitated during magnesium solid solution decomposition in magnesium alloys with the rare-earth metals of the yttrium group Open
Magnesium-base alloys attract a great attention as light structural materials, where economy of weight is of great importance. According to the last investigations, the highest strength properties of these alloys, can be obtained, when the…
View article: Error-control algorithm of voice messages transmission
Error-control algorithm of voice messages transmission Open
High-speed and high-quality communications are required to ensure a smooth process of timely receipt and processing of information. The speed of obtaining information depends on the speed of response and timely management decisions. The de…
View article: Automatic control systems with a synthesis of the transmitting function of single-cycle DC/DC converters
Automatic control systems with a synthesis of the transmitting function of single-cycle DC/DC converters Open
The article describes the effect of reducing general operating speed of the automatic control system which deteriorates the performance. Synthesis of the response function of the pulse converter was analyzed. The function takes into accoun…
View article: Biodegradable Magnesium Alloys as Promising Materials for Medical Applications (Review)
Biodegradable Magnesium Alloys as Promising Materials for Medical Applications (Review) Open
Non-degradable steel and titanium implants used to replace defects of the locomotor system or fabricate vascular stents provide maximum stability but have too many drawbacks.Currently, biodegradable magnesium alloys are considered as promi…
View article: Prospects for the development of new structural magnesium alloys containing rare earth metals
Prospects for the development of new structural magnesium alloys containing rare earth metals Open
View article: Strength, corrosion resistance, and biocompatibility of ultrafine-grained Mg alloys after different modes of severe plastic deformation
Strength, corrosion resistance, and biocompatibility of ultrafine-grained Mg alloys after different modes of severe plastic deformation Open
The effect of severe plastic deformation on the structure, mechanical properties, corrosion resistance, and biocompatibility of the WE43 (Mg-Y-Nd-Zr) alloy earmarked for applications as bioresorbable material has been studied. The alloy wa…
View article: Induced seismicity: a geo-ecological problem of a technogenic nature
Induced seismicity: a geo-ecological problem of a technogenic nature Open
A debatable problem of the display of induced seismicity and its causes during the construction of reservoirs (Reservoir Induced Seismicity - RIS) is considered on the basis of an analysis of various publications. This paper describes the …
View article: Mechanical properties of magnesium alloys prepared according to the technology include rapid crystallization and subsequent compaction
Mechanical properties of magnesium alloys prepared according to the technology include rapid crystallization and subsequent compaction Open
The structure and mechanical properties of magnesium alloys containing aluminum, calcium and rare earth metals (Y, Nd, La, Yb), which were obtained by extruding pellets made from the alloy ribbons bystrozakristallizovannyh. Tapes magnesium…