A5031219680- Electrospun Nanofibers in Biomedical Applications
- Bone Tissue Engineering Materials
- Additive Manufacturing and 3D Printing Technologies
- Material Properties and Applications
- biodegradable polymer synthesis and properties
- Petroleum Processing and Analysis
- Silk-based biomaterials and applications
- Coal and Coke Industries Research
- Electrohydrodynamics and Fluid Dynamics
- Catalysis and Hydrodesulfurization Studies
- Catalysis and Oxidation Reactions
- Intermetallics and Advanced Alloy Properties
- Electromagnetic wave absorption materials
- Catalysts for Methane Reforming
- Advanced Sensor and Energy Harvesting Materials
- Heat transfer and supercritical fluids
- Structural mechanics and materials
- Material Science and Thermodynamics
- Electrodeposition and Electroless Coatings
- Surface Modification and Superhydrophobicity
- High Entropy Alloys Studies
- Magnesium Oxide Properties and Applications
- Hydrocarbon exploration and reservoir analysis
- Dental Implant Techniques and Outcomes
- 3D Printing in Biomedical Research
National Research Tomsk State University
2015-2024
Tomsk Polytechnic University
2015-2024
Tomsk State University of Architecture and Building
2022
Glass-ceramic composite materials based on lead-borate glass and eucryptite – a compound with negative coefficient of linear thermal expansion (CTE), along the conditions for their production are studied in this paper. Effects amount granulometric composition as well time/temperature processing change sintered samples also examined.
Introduction. Additive manufacturing technologies for the production of geometrically approximate workpieces require post-processing. This applies to use cutting tools in milling operations when machining critical surfaces. The latter are specified strict requirements accuracy linear and angular dimensions quality surface layer. An urgent task remains increase productivity recording forces roughness develop technological recommendations. Purpose work: experimental determination modes...
Using the method of impregnation in an excess impregnating solution and subsequent temperature treatment range 100-400 °C, synthesis γ-modified catalytic systems based on transition metals (Co, Mo) supported active aluminum oxide was carried out their physicochemical properties were studied. A distinctive feature these use polyoxometalate complexes (molybdenum blues) obtained by mechanical activation commercial molybdenum disulfide as a source molybdenum. The carrier high-temperature...
In this work, the physicochemical properties of mechano-activated composites (hereinafter referred to as mechanocomposites) obtained by mechanical activation commercial tungsten disulfide powder in a planetary mill were studied. Mechanical was carried out for 2, 4 and 8 h, but work presents results last two experiments. The acceleration grinding media controlled through frequency adjustment; value 15.5 Hz, according calculations, corresponds an 50 m/s2 or 5G. material balls from which are...
The development of tissue engineering structures (scaffolds) for the reconstruction bone defects is relevant task modern biomedical materials science. Compared to metal-based structures, polymer constructs provide numerous advantages, among them - better processibility and metallosis avoidance. Owing its high mechanical performance biocompatibility, polyetherketoneketone (PEKK) became a promising material such structures. Previously, method immobilization hydroxyapatite (HAp) on PEKK surface...
The porous structures of nanoparticles copper and cadmium prepared by AC electrochemical synthesis in solutions acetate sodium, chlorides ammonium sodium were studied. It is established that at current density 1A/cm 2 concentration NaCl 3 % wt. with the highest specific surface area (8.23m /g), maximum pore volume (0.029 cm /g) are formed, largest particles characteristic nominal diameter - 62 nm. values total increase temperature calcination decrease, pores slightly enlarged diameter. Thus,...
Heavy oils are more than 70 % of the world proven oil reserves that makes it an urgent problem modern refinery to improve efficiency and conversion ratio. Cobalt powders one-stage prepared cobalt-based catalysts were first tested for tar cracking at Novokuibyshevsk Refinery Plant. XRD, SEM TPR techniques used studying compositions properties samples. It was shown cobalt surface contained oxygen in form layer-by-layer stacked Co 3 O 4 CoO; mechanical activation resulted redistribution oxide...
The article discusses an effective technology for producing concrete with increased strength. For this purpose, it is proposed to perform preliminary mechanical activation of cement sand natural humidity (5-8%) in energized apparatus, which a rotary-type centrif-ugal mixer-disintegrator. During mixing, hydration occurs the formation nanodis-persed products on surface grains, are stripped off withsand and enter mixture. Thus, micro-volumes cement-sand mixture, there uniform dis-tribution...
A novel approach for immobilization of hydroxyapatite (HAp) on polyetherketoneketone (PEKK) surface was suggested. HAp performed in two steps. On the first step, PEKK swelled 1,1,1,3,3,3-hexafluoropropan-2-ol (HFIP) vapor. Then, treated sample placed water suspension. Up to 29±3% coated with HAp. The maximum calcium and phosphorus content modified samples found at 1.8±0.6 1.0±0.3 wt. %, respectively. Despite confirmed immobilization, hydrophobic character surfaces preserved. resulted...
Relevance. The need to develop new methods for metal waste disposal. This direction, with the participation of various intensifying influences, refers resource-saving, technological, minimizing volume capital costs raw materials, production and subsequent sale. Aim. To obtain copper ferrite from iron microelectronics. Copper is a useful highly demanded product in this branch domestic industry, especially now, when many sanctions have been imposed on our country, including terms study its...