Pavel Peretyagin
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View article: Production and Mechanical Performance of Tantalum Strengthened Alumina–Zirconia Composites with Graphene Addition
Production and Mechanical Performance of Tantalum Strengthened Alumina–Zirconia Composites with Graphene Addition Open
High density alumina–zirconia–tantalum ceramic–metal composites with the addition of 0.5 vol.% of graphene oxide were fabricated via a wet processing technique followed by spark plasma sintering. Scanning electron microscopy confirmed the …
View article: New materials for the manufacture of intracanal pins
New materials for the manufacture of intracanal pins Open
The issue of tooth strength loss due to hard tissue loss after endodontic treatment remains relevant. Intracanal pins and cores are widely used for long-term restoration of the anatomical and functional integrity of depulped teeth. Modern …
View article: Development of domestic CAD/CAM blanks for dentistry
Development of domestic CAD/CAM blanks for dentistry Open
View article: Materials for the manufacture of dental implants (literature review)
Materials for the manufacture of dental implants (literature review) Open
The purpose of this study was to analyze various literature sources, giving an exhaustive overview of the characteristics of all structural materials currently used in the manufacture of dental implants, which will also determine the trend…
View article: Enthalpy as a Reliable Parameter for Stable Single Track Formation in Laser Powder Bed Fusion
Enthalpy as a Reliable Parameter for Stable Single Track Formation in Laser Powder Bed Fusion Open
View article: Mechanical properties variation of samples fabricated by fused deposition additive manufacturing as a function of filler percentage and structure for different plastics
Mechanical properties variation of samples fabricated by fused deposition additive manufacturing as a function of filler percentage and structure for different plastics Open
View article: Modeling of Tensile Stress Distribution Considering Anisotropy of Mechanical Properties of Thin-Walled AlSi10Mg Samples Obtained by Selective Laser Melting
Modeling of Tensile Stress Distribution Considering Anisotropy of Mechanical Properties of Thin-Walled AlSi10Mg Samples Obtained by Selective Laser Melting Open
The work that is being presented demonstrates that there is a critical point at which the engineering stress–strain diagram’s elastic–plastic region transitions to yield and fracture stresses. This transition is demonstrated using thin-wal…
View article: Modeling of Tensile Stress Distribution Considering Anisotropy of Mechanical Properties of Thin‐Walled AlSi10Mg Samples Obtained by Selective Laser Melting
Modeling of Tensile Stress Distribution Considering Anisotropy of Mechanical Properties of Thin‐Walled AlSi10Mg Samples Obtained by Selective Laser Melting Open
In the presented work, on the example of thin-walled specimens made by selective laser melting technology from AlSi10Mg subjected to preliminary heat treatment, it is shown that there is a critical point of transition from the elastic-plas…
View article: Experimental and statistical study of strength properties of FDM-printed specimens made from ABS, PLA and PETG plastics depending on the percentage and structure of filling
Experimental and statistical study of strength properties of FDM-printed specimens made from ABS, PLA and PETG plastics depending on the percentage and structure of filling Open
One of the key factors in the manufacturing of products using fused deposition method (FDM) or layer-by-layer printing technology is the material intensity of the product. The task of reducing the amount of material required to manufacture…
View article: Materials and Methods for All-Ceramic Dental Restorations Using Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM) Technologies—A Brief Review
Materials and Methods for All-Ceramic Dental Restorations Using Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM) Technologies—A Brief Review Open
The materials used in dentistry for the fabrication of all-ceramic restorations have undergone great and rapid developments over the last two decades. Among the most common ceramic materials in dentistry are those based on zirconium and li…
View article: Application of light-cured nanofilled composite materials in dentistry (literature review)
Application of light-cured nanofilled composite materials in dentistry (literature review) Open
Currently, patients are increasingly turning to dentists with complaints about unsatisfactory dental aesthetics. All this is associated with both carious and non-carious lesions of the teeth. Methods of dental treatment today are diverse a…
View article: Modern methods of post-endodontic dental treatment
Modern methods of post-endodontic dental treatment Open
The materials used to restore the crown part of teeth after endodontic treatment in modern conditions are presented. The advantages of post-endodontic dental treatment using a variety of pin structures in the system of providing dental car…
View article: Statistical Analysis and Prediction of Mechanical Properties of Composite Materials Based on Thermoplastic Polymers Reinforced with Continuous Carbon Fibers Based on Convolutional Neural Network
Statistical Analysis and Prediction of Mechanical Properties of Composite Materials Based on Thermoplastic Polymers Reinforced with Continuous Carbon Fibers Based on Convolutional Neural Network Open
View article: Experimental and Statistical Analysis of the Effect of Heat Treatment on Surface Roughness and Mechanical Properties of Thin-Walled Samples Obtained by Selective Laser Melting from the Material AlSi10Mg
Experimental and Statistical Analysis of the Effect of Heat Treatment on Surface Roughness and Mechanical Properties of Thin-Walled Samples Obtained by Selective Laser Melting from the Material AlSi10Mg Open
Statistical analysis of mechanical properties of thin-walled samples (~500 microns) obtained by selective laser melting from AlSi10Mg material and subjected to heat treatment for 1 hour at temperatures from 260 °C to 440 °C (step of aging …
View article: Investigation of Tribological Characteristics of PEO Coatings Formed on Ti6Al4V Titanium Alloy in Electrolytes with Graphene Oxide Additives
Investigation of Tribological Characteristics of PEO Coatings Formed on Ti6Al4V Titanium Alloy in Electrolytes with Graphene Oxide Additives Open
Coatings with a thickness from ~40 to ~50 µm on Ti6Al4V titanium alloys were formed by plasma electrolytic oxidation (PEO) in a silicate-hypophosphite electrolyte with the addition of graphene oxide. The PEO treatment was carried out in th…
View article: Investigation of MAO Coatings Characteristics on Titanium Products Obtained by EBM Method Using Additive Manufacturing
Investigation of MAO Coatings Characteristics on Titanium Products Obtained by EBM Method Using Additive Manufacturing Open
Coatings with a thickness from 27 to 62 µm on electron beam melted Ti-6Al-4V have been formed by micro-arc oxidation (MAO) in a silicate-hypophosphite electrolyte. MAO tests in the anode-cathode mode (50 Hz) with an anode-to-cathode curren…
View article: Investigation of the Nature of the Interaction of Me-MeN-(Me,Mo,Al)N Coatings (Where Me = Zr, Ti, or Cr) with a Contact Medium Based on the Ni-Cr System
Investigation of the Nature of the Interaction of Me-MeN-(Me,Mo,Al)N Coatings (Where Me = Zr, Ti, or Cr) with a Contact Medium Based on the Ni-Cr System Open
This paper discusses the results of a study focused on the nature of the interaction of Me-MeN-(Me,Mo,Al)N coatings (where Me = zirconium (Zr), titanium (Ti), or chromium (Cr)) with a contact medium based on the Ni-Cr system. The studies w…
View article: Electrochemical deposition of ceramic-like coatings on Ti-6Al-4V parts fabricated by electron beam melting
Electrochemical deposition of ceramic-like coatings on Ti-6Al-4V parts fabricated by electron beam melting Open
The problems of micro-arc oxidation of titanium alloy parts Ti-6Al-4V produced by electron beam melting technology were considered. The phase composition, thickness and roughnessof the obtained coating have been evaluated.
View article: Enhancement of the Mechanical and Tribological Properties of Aluminum-Based Alloys Fabricated by SPS and Alloyed with Mo and Cr
Enhancement of the Mechanical and Tribological Properties of Aluminum-Based Alloys Fabricated by SPS and Alloyed with Mo and Cr Open
Multicomponent aluminum-based alloys doped with chromium (Cr) and molybdenum (Mo), fabricated by spark plasma sintering (SPS), derived from a powder mixture prepared by mechanical alloying, were studied in this work. The morphology of the …
View article: Direct Ink Writing Technology (3D Printing) of Graphene-Based Ceramic Nanocomposites: A Review
Direct Ink Writing Technology (3D Printing) of Graphene-Based Ceramic Nanocomposites: A Review Open
In the present work, the state of the art of the most common additive manufacturing (AM) technologies used for the manufacturing of complex shape structures of graphene-based ceramic nanocomposites, ceramic and graphene-based parts is expl…
View article: Tribochemical Interaction of Multicomponent Aluminum Alloys During Sliding Friction with Steel
Tribochemical Interaction of Multicomponent Aluminum Alloys During Sliding Friction with Steel Open
In this work, aluminum multicomponent alloys were studied after friction with steel in a mixed lubrication regime. The resulting secondary structures on the friction surface were investigated by scanning electron microscopy (SEM), energy d…
View article: Zirconia Reduced Graphene Oxide Nano-Hybrid Structure Fabricated by the Hydrothermal Reaction Method
Zirconia Reduced Graphene Oxide Nano-Hybrid Structure Fabricated by the Hydrothermal Reaction Method Open
In this work, we report an available technique for the effective reduction of graphene oxide (GO) and the fabrication of nanostructured zirconia reduced graphene oxide powder via a hydrothermal method. Characterization of the obtained nano…
View article: Wire electrical discharge machining of Al2O3-TiC in mineral oil and water
Wire electrical discharge machining of Al2O3-TiC in mineral oil and water Open
Al2O3–TiC composites are relatively new materials used in tool industry due to their hardness, high strength and chemical stability. It was found that cutting alumina ceramics with more than 30 % TiC manufactured by the spark plasma sinter…
View article: Anodic plasma-electrolyte modification of Fe and Ti-based alloys
Anodic plasma-electrolyte modification of Fe and Ti-based alloys Open
The anodic plasma-electrolyte modification of titanium alloy VT1-0 and low-carbon steel 20 for improvement their properties was carried out in nitrogen- and boronitrogen-containing electrolytes, respectively. Tribological and corrosion-pro…
View article: Effect of duration of titanium microarc treatment on morphology, composition and electrochemical behavior of coatings
Effect of duration of titanium microarc treatment on morphology, composition and electrochemical behavior of coatings Open
Microarc oxidation (MAO) of titanium grade VT1-0 was carried out in the alkaline electrolyte with the addition of nickel sulfate. The effect of duration of titanium microarc treatment on morphology, composition and electrochemical behavior…
View article: Effect of Milling Conditions on the Microstructural Design in Aluminum Based Alloy Fabricated by SPS
Effect of Milling Conditions on the Microstructural Design in Aluminum Based Alloy Fabricated by SPS Open
In this work, aluminum-based alloys were mechanically alloyed by various doping elements followed by spark plasma sintering. Three different mixing methods were studied. First, all elemental powders were mixed for 24 h. In the second and t…
View article: The Influence of Wire Electrical Discharge Machining Cutting Parameters on the Surface Roughness and Flexural Strength of ZrO2/TiN Ceramic Nanocomposites Obtained by Spark Plasma Sintering
The Influence of Wire Electrical Discharge Machining Cutting Parameters on the Surface Roughness and Flexural Strength of ZrO2/TiN Ceramic Nanocomposites Obtained by Spark Plasma Sintering Open
In this work, we characterized the mechanical and electrical properties of zirconia-based ceramic nanocomposites reinforced with 30 and 40 vol. % TiN and fabricated by spark plasma sintering. In addition to their improved mechanical perfor…
View article: Effect of electrolyte composition on electrochemical formation and properties of ceramic-like coatings on aluminum alloys
Effect of electrolyte composition on electrochemical formation and properties of ceramic-like coatings on aluminum alloys Open
The electrochemical formation of ceramic-like coatings on D16 aluminum alloy was carried out using microarc oxidation method in phosphate (1.5 g/L NaOH + 9 g/L Na 2 SiO 3 + 3 g/L Na 3 PO 4 ) and molybdate (5 g/L NaOH + 30 g/L Na 2 SiO 3 + …
View article: Wear Behavior of Graphene-Reinforced Alumina–Silicon Carbide Whisker Nanocomposite
Wear Behavior of Graphene-Reinforced Alumina–Silicon Carbide Whisker Nanocomposite Open
In the present work, the tribological properties of graphene-reinforced Al2O3-SiCw ceramic nanocomposites fabricated by spark plasma sintering were studied against alumina ball. Compared with pure ceramic, the wear resistance of these nano…
View article: Developing processes for manufacturing metal aviation technology components using powder bed fusion methods
Developing processes for manufacturing metal aviation technology components using powder bed fusion methods Open
Favorable parameters for selective melting methods using electron and laser radiation have been established to obtain the required geometric, physical and mechanical characteristics of thin-walled parts for aviation purposes from H18N9T (a…