A5018075776- Advanced materials and composites
- Diamond and Carbon-based Materials Research
- Intermetallics and Advanced Alloy Properties
- High Entropy Alloys Studies
- Advanced ceramic materials synthesis
- Metal and Thin Film Mechanics
- Tunneling and Rock Mechanics
- High-Temperature Coating Behaviors
- Additive Manufacturing Materials and Processes
- Aluminum Alloys Composites Properties
- Surface Treatment and Coatings
- MXene and MAX Phase Materials
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Advanced machining processes and optimization
- Additive Manufacturing and 3D Printing Technologies
- Metal Alloys Wear and Properties
- Advanced Surface Polishing Techniques
- Advanced Materials Characterization Techniques
- Injection Molding Process and Properties
- Boron and Carbon Nanomaterials Research
- Particle Accelerators and Free-Electron Lasers
- Laser-Ablation Synthesis of Nanoparticles
- Material Properties and Applications
- Advancements in Materials Engineering
National University of Science and Technology
2016-2025
National University of Science and Technology
2015-2024
Institute of Applied Physics
2022-2023
Michigan Science Center
2020
Institute of Structural Macrokinetics and Materials Science
2014-2015
Russian Academy of Sciences
2014
This paper focuses on the microstructure, phase composition, mechanical, tribological and corrosion properties of high-entropy alloys (HEAs) in CoCrCuFeNi system depending copper content, which was varied from 0 to 20 at. % with an increment 5%. were manufactured by powder metallurgy methods: mechanical alloying hot pressing element mixtures. The solubility limit CoCrFeNi solid solution found be 9 %. Segregation irregularly shaped grains sized 1-30 μm is observed at concentrations above this...
The effect of added Mo, WC, and ZrO2 nanopowders on the graphitization diamond grains in metal–matrix composites was studied by Raman spectroscopy. In presence Mo nanoadditives, process found to get intensified. But addition WC nanopowder suppress 25–30%. This can be expected improve adhesion binder hence service life related cutting tools.
Solution combustion synthesis approach with hexamethylenetetramine/citric acid as mixed fuel was used for the of bimetallic single-phase nanomaterials in CoCu, CoNi, CoFe, and FeNi systems air. All obtained are characterized by fine crystallinity crystallites sizes from 15 nm to 41 nm. The study shows using allows obtaining CoNi CoFe phase, CoCu results split phases. Due its higher stability solutions could be industrial scale-up solution production polymetallic nanomaterials.
The structure and properties of pre-alloyed Ni41Al41Cr12Co6 spherical powders (the 40–160 μm fraction) produced using the plasma rotating electrode processing technology were studied. evolution fine under heating at 20, 350, …, 850 °C was investigated. Disk-shaped chromium-rich pre-precipitation zones 5–30 nm in size detected temperature range 450, 650 °C; they precede formation dispersed chromium precipitate. Prism-shaped nanocrystals with characteristic longitudinal dimension ranging from...
The interaction between the high-entropy alloy CoCrCu2FeNi and diamond, as well graphitization of were investigated using in situ transmission electron microscopy temperature range 20–900 °C. To ensure absence diamond HEA at initial stage experiment, test sample was prepared by magnetron sputtering coating on a single crystal. following stages with discovered. A partial transformation FCC to BCC crystal lattice occurs 500 At 700 °C, process diffusion Fe, Co, Ni, Cu over surface commences....
This paper focuses on the study of structure and mechanical properties CoCrCuxFeNi high-entropy alloys their adhesion to single diamond crystals. were manufactured by powder metallurgy route, specifically via alloying elemental powders, followed hot pressing. The addition copper led formation a dual-phase FCC + FCC2 structure. CoCrCu0.5FeNi alloy exhibited highest ultimate tensile strength (1080 MPa). Reductions in ductility HEAs tendency for brittle fracture behavior observed at high...
<p>In this study, we have investigated the effect of various mechanical activation (MA) modes on phase and structure formation in powder mixtures made up to produce Ti<sub>3</sub>AlC<sub>2</sub> MAX phase. The optimal MA duration has been established which results maximum heat release under SHS due accumulation structural defects leading growth internal energy. character kinetics combustion front propagation investigated. It was shown that following pretreatment...