Publications by authors named "M V Zdorovets"
Article Synopsis
- Oxide nanoparticles, like zirconium dioxide (ZrO₂), are important due to their unique properties, such as high surface area and enhanced catalytic activity, leading to various industrial uses and research developments.
- This study focuses on how different chemical precursors and lower synthesis temperatures (110-160 °C) affect the properties of ZrO₂ nanoparticles produced through hydrothermal synthesis, eliminating the need for higher temperatures and pressure.
- The results show that at synthesis temperatures of 110-130 °C, the nanoparticles predominantly form a cubic structure, transitioning to a monoclinic phase after heating beyond 500 °C, and exhibit notable absorption in the UV range, making them suitable for applications like UV absorbers and additives in
Article Synopsis
- This study investigated how irradiation from krypton and helium ions affects the structure and composition of high-entropy alloys (HEAs) at room temperature, specifically CoCrFeNi and CoCrFeMnNi.
- Findings showed that while elemental distribution remained stable, blisters formed on nickel surfaces due to the irradiation process, with large ones averaging 3.8 μm in diameter.
- The research noted significant changes in lattice parameters, stress levels (compressive and tensile), and dislocation densities in the HEAs post-irradiation, indicating differences in material responses between the two alloys.
Article Synopsis
- * The study examined changes in their structure and surface morphology after irradiation, revealing the development of a porous surface with microchannels, and noted that CoCrFeMnNi had smaller blister sizes compared to CoCrFeNi.
- * Results showed that while elemental compositions remained stable under high temperatures, CoCrFeMnNi demonstrated better radiation resistance by forming compressive macrostresses and a higher dislocation density compared to CoCrFeNi.
Surface Modification of Polyethylene Terephthalate Track-Etched Membranes by 2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoroheptyl Acrylate for Application in Water Desalination by Direct Contact Membrane Distillation.
Aigerim Kh Shakayeva Arman B Yeszhanov Alexander N Borissenko Murat T Kassymzhanov Ainash T Zhumazhanova Maxim V Zdorovets
Membranes (Basel)
June 2024
In this work, the surfaces of poly (ethylene terephthalate) track-etched membranes (PET TeMs) with pore sizes of 670-1310 nm were hydrophobized with 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl acrylate (DFHA) by photoinitiated graft polymerization. Attenuated total reflection FTIR spectroscopy (ATR-FTIR), scanning electron microscopy (SEM) coupled to an energy-dispersive X-ray spectrometer (EDX), and contact angle measurements were used to identify and characterize the TeMs. The optimal parameters for graft polymerization were determined as follows: polymerization time of 60 min, monomer concentration of 30%, and distance from the UV source of 7 cm.
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