A5065703548- Aluminum Alloys Composites Properties
- Magnesium Alloys: Properties and Applications
- Aluminum Alloy Microstructure Properties
- Material Properties and Applications
- Hydrogen Storage and Materials
- Metallurgy and Material Forming
- Intermetallics and Advanced Alloy Properties
- Metallurgical Processes and Thermodynamics
- Metal Alloys Wear and Properties
- Additive Manufacturing and 3D Printing Technologies
- Solidification and crystal growth phenomena
- Corrosion Behavior and Inhibition
- Advanced materials and composites
- Advanced Welding Techniques Analysis
- Metal and Thin Film Mechanics
- Manufacturing Process and Optimization
- Metallurgical and Alloy Processes
- Magnetic Properties of Alloys
- Additive Manufacturing Materials and Processes
- Materials Engineering and Processing
- Microstructure and Mechanical Properties of Steels
- Microstructure and mechanical properties
- Advanced ceramic materials synthesis
- Metal Forming Simulation Techniques
- High Temperature Alloys and Creep
National University of Science and Technology
2012-2025
National University of Science and Technology
2016-2025
Baikov Institute of Metallurgy and Materials Science
2020
Vladimir State University
2020
Moscow Technological Institute
2019
Mining Institute
2012-2017
Biodegradable Mg-based implants are widely used in clinical applications because they exhibit mechanical properties comparable to those of human bone and require no revision surgery for their removal. Among alloys, Mg–Zn–Ca–(Mn) alloys have been extensively investigated medical the constituent elements these Mg, Zn, Ca, Mn, present tissues as nutrient elements. In this study, we effect hot extrusion temperature on microstructure, properties, biodegradation rate alloys. The results showed...
Magnesium alloys are used in aircraft because of their light weight. However, for these to be applied electronic devices, high thermal conductivities required. Several high-potential compositions Mg–Zn–Y–Zr were selected by phase composition and freezing ranges calculated using Thermo-Calc software. The prepared, fluidity, hot tearing susceptibility, mechanical properties, conductivity obtained compared. alloy composed Mg–4 wt% Zn–3 Y–0.3 Zr was further investigation, its satisfactory...
Magnesium (Mg) single crystal specimens with three different orientations were prepared and tested from room temperature to 733 K in order systematically evaluate effects of on the critical resolved shear stress (CRSS) slips twinning Mg crystals. The duplex non-basal <a> slip took place range 613 when samples stretched along <01¯10> direction. In contrast, basal prismatic mainly activated RT tensile directions inclined at an angle 45° plane, respectively. Viscoplastic self-consistent (VPSC)...
In the domain of metal casting, investment casting is recognized for its proficiency in producing high-quality castings. This method involves utilization a melt out, burnout, or soluble patterns to create ceramic molds. The present investigation explored potential utilizing fused deposition modeling (FDM) fabricated from polyvinyl alcohol (PVA). An examination structural characteristics and properties several commercially available PVA filaments, along with an evaluation as-printed samples,...
In recent years magnesium alloys have been studied intensively with a view to their potential use in bioresorbable medical implants. the present work microstructure and corrosion properties of new Mg-4 wt% Ga-4 Zn alloy its variants low Ca, Nd or Y additions were investigated. These are interest due efficacy gallium as an element inhibiting bone resorption, osteoporosis, Paget's disease, other illnesses. A severe plastic deformation technique equal channel angular pressing (ECAP) was shown...
Magnesium alloys are commonly used to produce lightweight parts. While most magnesium exhibit low thermal conductivities, high conductivities needed for electronic devices. In this study, we attempted develop new casting with conductivities. The MgZnSiCa alloy compositions were chosen using CALPHAD (CALculation of PHAse Diagrams) calculations, and samples prepared. fluidity hot-tearing resistance measured. results indicated that these properties similar those AZ91 alloy. Tensile tests showed...
The Mg-Zn-Y-Zr alloys with long-period stacking-ordered (LPSO) and W eutectic phases were investigated to develop new magnesium casting alloys. temperatures for T6 heat treatment selected based on the hardness electrical conductivity measurements. hot tearing susceptibility of LPSO phase is lower than that phase, which associated freezing range However, displayed same fluidity. Under conditions, increasing Y content in resulted increased yield strength, whereas other tensile properties...
The effect of hot rolling on the structure and mechanical properties three Mg–Y–Zn–Mn alloys was studied depending process temperature reduction ratio. original plates cast WZM111, WZM211, WZM321 after heat treatment were subjected to from an initial thickness 7 mm a final 0.2 at two temperatures, namely 400 450 °C. Optical scanning electron microscopy, microhardness measurement, tensile testing used characterize material. regimes that provide good balance between strength ductility established.
In this work, thermodynamic calculations are carried out using the Thermo-Calc software for α + β Type Ti–Fe–Cu–Sn alloy. Powders from alloy were obtained by plasma sputtering subsequent 3D printing of experimental samples them. The effect various selective laser melting (SLM) parameters on porosity and hot cracking susceptibility has been studied, electrochemical characteristics have also studied. optimal technological regime manufacture SLM method was determined. It established that to...
The phase composition of VZhL14N-VI nickel superalloy was analyzed in a wide temperature range – from room to 1600 °C by means CALPHAD (CALculation PHAse Diagrams) calculations. In light the findings, authors devised potential heat treatment modes for superalloy. impact different on grain size, hardness, and electrical conductivity samples produced ceramic mold casting investigated, as well effect alloy high-temperature annealing at 1070 1170 ℃ 1 4 h. resulted notable increase size decrease...
Cu55Ni6Mn4Zn (MNMts55-6-4) copper-zinc alloy is widely used for brazing hard-alloy tools and steels. However, the presence of silicon in (0.1–0.4 wt. %) can lead to formation brittle silicides iron, nickel, manganese, which negatively influences strength brazed joints. The purpose study was determine influence quantitative content doped jointly with nickel manganese on structure blanks before properties In work, distribution ingots, tapes, seams, authors microstructural analysis methods,...
The effect of high-pressure torsion (HPT) on the microstructure, phase composition, mechanical characteristics, degradation rate, and bioactive properties Zn-1%Mg alloy is studied. An ultrafine-grained (UFG) structure with an average grain size α-Zn equal to 890 ± 26 nm grains subgrains Mg2Zn11 MgZn2 phases a 50-100 are formed after HPT. This UFG leads increase in ultimate tensile strength by ~3 times elongation 6.3 3.3% due formation basal texture. study corrosion resistance did not show...
Binder jetting is the most widely implemented additive technology for fabrication of sand molds. However, use furan binder-jetting in production molds vacuum casting hindered by thermal destruction binder accompanied violent gas emission that occurs during mold heating process. This investigation explores potential using obtained via 3D printing and further impregnation colloidal silica sintering. Two distinct sands, proppant cenosphere, were utilized components exhibiting different...
Application of calcium as alloying element for magnesium alloys has been considered according to literature data. Mg–7%Al–4%Ca–0.5%Mn casting alloy was offered, which possesses the low propensity hot brittleness and good castability. The moderate strength (σu = 150 MPa) satisfactory percentage elongation (δ 3%). It is shown, that calcium-containing smelting Mg–Al–Ca–Mn system preferable with application low-chloride flux FL10 (20%MgCl2; 29%KCl; 12%BaCl2; 23%CaF2; 15%MgF2; 1%B2O3). in...
The mechanical properties of castings depend on the grain size. There is evidence that titanium and boron (Al–5Ti–1B master alloy) affect size magnesium alloys. Here, influence addition 0–1 wt. % Al–5Ti–1B alloy AZ91 was investigated. Melting performed in steel corundum crucibles. To study effect cooling rate size, cylindrical samples were cast fireclay molds. did not change phase composition alloy. This demonstrates contribute to refinement alloy, but rather led its coarsening for both...
The purpose of the research reported here was to establish how plug shape influences size and porosity hollow shells produced by Mannesmann piercing an ingot. Ingots were cast from 6060 aluminium alloy then pierced with a solid plug, cavity or plug. Computer simulation these processes carried out using ProCast QForm software showed that should produce minimal porosity. However, results experimental revealed in fact higher than either other two plugs. This appears be consequence losing stability.
Fixation screws and other temporary magnesium alloy fixation devices are used in orthopedic practice because of their biodegradability, biocompatibility acceptable biodegradation rates. The substitution dissolving implant by tissues during the healing process is one main requirements for biodegradable implants. Previously, clinical tests showed effectiveness Ga ions on bone tissue regeneration. This work first systematic study corrosion rate Mg–Zn–Ga–(Y) alloys prepared hot extrusion, where...
A comparative study of the effect drawing and rotary forging on structure, mechanical corrosion properties a new biodegradable magnesium alloy Mg–2Zn–2Ga was carried out. The original 6 mm diameter bars obtained by hot extrusion were reduced to diameters in range 5.5–3.3 or forging. Optical microscopy, scanning electron microscopy EBSD grain orientation mapping used characterize material microstructure. Tensile testing performed determine properties. optimum temperature for annealing after...