A5078316070- Engineering Technology and Methodologies
- Advanced machining processes and optimization
- Metal and Thin Film Mechanics
- Advanced materials and composites
- Surface Treatment and Coatings
- Diamond and Carbon-based Materials Research
- Engineering and Environmental Studies
- Advanced Machining and Optimization Techniques
- Manufacturing Process and Optimization
- Additive Manufacturing Materials and Processes
- Plasma Diagnostics and Applications
- Advanced Surface Polishing Techniques
- Advanced ceramic materials synthesis
- Electrocatalysts for Energy Conversion
- Chalcogenide Semiconductor Thin Films
- Additive Manufacturing and 3D Printing Technologies
- High Entropy Alloys Studies
- Ion-surface interactions and analysis
- Laser Material Processing Techniques
- Transition Metal Oxide Nanomaterials
- Lubricants and Their Additives
- Metal Alloys Wear and Properties
- Material Properties and Applications
- High-Temperature Coating Behaviors
- Titanium Alloys Microstructure and Properties
Lomonosov Moscow State University
2016-2025
Moscow State Technological University
2016-2025
University of Technology
2016-2025
Moscow State University
2014-2023
Bauman Moscow State Technical University
2012-2014
Moscow Engineering Physics Institute
2014
Russian Academy of Sciences
2014
The study is devoted to the development and testing of technological principles for manufacture solid end mills from ceramics based on a powder composition α-SiAlON, β-SiAlON, TiN additives, including spark plasma sintering composition, diamond sharpening sintered ceramic blanks shaping cutting part deposition anti-friction Si-containing diamond-like carbon (DLC) coatings in final stage. A rational relationship between components at was established. influence optimum temperature, which most...
Coatings with a thickness from ~40 to ~50 µm on Ti6Al4V titanium alloys were formed by plasma electrolytic oxidation (PEO) in silicate-hypophosphite electrolyte the addition of graphene oxide. The PEO treatment was carried out anode-cathode mode (50 Hz) at ratio anode and cathode currents 1:1; their sum density 20 A/dm2, treatment's duration 30 min. effect oxide's concentration thickness, roughness, hardness, surface morphology, structure, composition, tribological characteristics coatings...
Abstract The paper is dedicated to the decision of a problem cutting tool diagnostics and working out remaining life prediction algorithm. example for practical realization such algorithm on CNC machine by machining under specified conditions given. question error compensation means corrective adjustment considered.
The paper studies the technique for increasing efficiency of high-speed steel tools by forming wear-resistant complexes when using processes combined cathodic vacuum arc deposition with filtration vapour ion flow. Based on analysis causes premature destruction standard coatings tools, provisions were designed to increase effectiveness their operating life till partial or complete destruction. For that purposes, architecture wear- resistant complex was developed formation substrates steel....
The main problem with ceramics used in cutting tools is related to the unpredictable failures caused by brittle fracturing of ceramic inserts, which critical for intermittent milling cyclic loading. A 125-mm-diameter eight-toothed end mill, a mechanical fastening was as tool hardened steel (102Cr6). For experiments, square inserts Al2O3 + SiC were and compared samples made TiC confirm obtained results. coated diamond-like coating (DLC), TiZrN, TiCrAlN coatings, their bending strength...
Small-size cutting inserts for assembly cutters are widely used to manufacture a variety of parts the aerospace, automotive and mechanical engineering industries. Due their high hardness chemical stability, Al2O3-TiC ceramics significantly outperform hard alloys in machining heat-resistant difficult-to-machine materials. However, grinding on CNC machines, most common technology manufacturing ceramic inserts, is associated with numerous issues when it comes small-size inserts. For example,...
Experimental results on laser beam modulation at selective melting (SLM) are presented. The is a possible way to improve the efficiency of SLM process. optical diagnostics shows energy loss up 30%. This could be consequence high thermal gradients in melt pool resulted by Gaussian power density distribution. distribution can changed flat-top one or inverse-Gaussian (donut) one. An experimental stand with 200W source was developed. Twenty single tracks for each three modes were obtained Co-Cr...
The productivity of electrical discharge machining (EDM) is relatively low owing to the natural laws erosion. Precise EDM demands uninterrupted control gap and adjustment process parameters. It particularly critical for processing large workpieces with complex linear surfaces materials threshold conductivities such as new advanced ceramic nanocomposites Al
A uniform distribution of power density (energy flux) in a stationary laser beam leads to decrease the overheating material center spot during powder bed fusion and losses due its thermal ablation chemical decomposition. The profile cylindrical (flat-top) was compared classical Gaussian mode (TEM00) inverse (donut) (airy first harmonic, TEM01* = TEM01 + TEM10). Calculation Péclet number, which is similarity criterion characterizing relationship between convective molecular processes heat...
Coatings with a thickness from ~40 to ~50 µm on Ti6Al4V titanium alloy were formed by micro-arc oxidation in silicate-hypophosphite electrolyte additions of graphene oxide. Micro-arc treatment was carried out the anode–cathode mode (50 Hz) ratio anode cathode currents 1:1, total density 20 A/dm2, and duration 30 min. The effect oxide concentration electrolytes thickness, roughness, hardness, surface morphology, structure, composition coatings, its electrochemical corrosion behavior 3.5% NaCl...
A study of the antifriction properties suspension solid-lubricating coatings based on molybdenum disulfide (MoS2) at high temperatures depending type substrate, binder, additives, and load parameters was carried out. The solid lubricants were sprayed two different substrates, high-temperature alloy (Inconel X-750) stainless steel (AISI 430), tested under 10 N 23 loads ranging from 25 °C to 800 °C. For comparison, types used. In this work, it established that lubricant significantly depend...
A new approach to stripping surface layers from ceramics with fast atoms is proposed. The existing beam sources do not allow for a rate of more than few µm/h be achieved. Usually, an increase in the etching associated growing flux density and energy atoms, which can heat parts source up inadmissible temperature. In present work, was significantly increased at permanent due angle incidence on product surface. An zero 80° resulted only by several times but also simultaneous polishing high...
Today, the machining of heat-resistant alloys based on triple, quad, or penta equilibria high-entropy alloy systems elements (ternary, quaternary, quinary iron-, titanium-, nickel-rich alloys), including dual-phase by Gibb’s phase rule, steels austenite class, and nickel- titanium-based alloys, are highly relevant for airspace aviation industry, especially production gas turbine engines. Cutting tools in contact with those should withstand intensive mechanical thermal loads (tense state...
The punching of holes or recesses on computer numerical control coordinate presses occurs in sheets at high speeds (up to 1200 strokes/min) with an accuracy ~0.05 mm. One the most effective approaches wear rate reduction stamping tools is use solid lubricants, such as wear-resistant coatings, where bulk properties tool are combined microhardness and lubricating ability eliminate waste disposal remove oil contaminants from liquid lubricants. This work describes efficiency complex...