Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles
Mechanochemically synthesized particles of two types of magnesium ferrites, one of which with structural distortions and an average size of 170 nm, and another that is highly crystalline with an average size of 900 nm, were introduced into a matrix of ultra-high-molecular-weight polyethylene via the...
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MDPI AG
2023-08-01
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| Series: | Powders |
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| Online Access: | https://www.mdpi.com/2674-0516/2/3/36 |
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| author | Tatiana Kiseleva Tatiana Grigoreva Svetlana Kovaliova Maxim Il’in Ekaterina Yakuta Evgeniya Devyatkina Inna Malyshkina Ilya Ivanenko Sergey Vosmerikov Nikolay Lyakhov |
| author_facet | Tatiana Kiseleva Tatiana Grigoreva Svetlana Kovaliova Maxim Il’in Ekaterina Yakuta Evgeniya Devyatkina Inna Malyshkina Ilya Ivanenko Sergey Vosmerikov Nikolay Lyakhov |
| author_sort | Tatiana Kiseleva |
| collection | DOAJ |
| description | Mechanochemically synthesized particles of two types of magnesium ferrites, one of which with structural distortions and an average size of 170 nm, and another that is highly crystalline with an average size of 900 nm, were introduced into a matrix of ultra-high-molecular-weight polyethylene via the milling processing. The final material has been formed by hot pressing mechanocomposites based on ultra-high-molecular-weight polyethylene and magnesium ferrite particles of various fineness and concentration. Structural characteristics were studied using scanning electron microscopy, differential scanning calorimetry and X-ray diffraction analysis. The dielectric properties of the obtained composites were analyzed by testing the frequency dependence of the permeability, dielectric losses, and conductivity. The effect of filler concentration and particle size, as well as the crystallinity of the polymer, on the dielectric properties of the composite material were studied. |
| first_indexed | 2024-03-10T22:10:09Z |
| format | Article |
| id | doaj.art-3c520419e40642b2a430cc4f94eb951e |
| institution | Directory Open Access Journal |
| issn | 2674-0516 |
| language | English |
| last_indexed | 2024-03-10T22:10:09Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Powders |
| spelling | doaj.art-3c520419e40642b2a430cc4f94eb951e2023-11-19T12:37:01ZengMDPI AGPowders2674-05162023-08-012357858710.3390/powders2030036Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite ParticlesTatiana Kiseleva0Tatiana Grigoreva1Svetlana Kovaliova2Maxim Il’in3Ekaterina Yakuta4Evgeniya Devyatkina5Inna Malyshkina6Ilya Ivanenko7Sergey Vosmerikov8Nikolay Lyakhov9Faculty of Physics, Moscow M.V. Lomonosov State University, 119991 Moscow, RussiaInstitute of Solid State Chemistry and Mechanochemistry, SB RAS, 630090 Novosibirsk, RussiaThe Joint Institute of Mechanical Engineering, NASB, 220072 Minsk, BelarusFaculty of Physics, Moscow M.V. Lomonosov State University, 119991 Moscow, RussiaFaculty of Physics, Moscow M.V. Lomonosov State University, 119991 Moscow, RussiaInstitute of Solid State Chemistry and Mechanochemistry, SB RAS, 630090 Novosibirsk, RussiaFaculty of Physics, Moscow M.V. Lomonosov State University, 119991 Moscow, RussiaFaculty of Physics, Moscow M.V. Lomonosov State University, 119991 Moscow, RussiaInstitute of Solid State Chemistry and Mechanochemistry, SB RAS, 630090 Novosibirsk, RussiaInstitute of Solid State Chemistry and Mechanochemistry, SB RAS, 630090 Novosibirsk, RussiaMechanochemically synthesized particles of two types of magnesium ferrites, one of which with structural distortions and an average size of 170 nm, and another that is highly crystalline with an average size of 900 nm, were introduced into a matrix of ultra-high-molecular-weight polyethylene via the milling processing. The final material has been formed by hot pressing mechanocomposites based on ultra-high-molecular-weight polyethylene and magnesium ferrite particles of various fineness and concentration. Structural characteristics were studied using scanning electron microscopy, differential scanning calorimetry and X-ray diffraction analysis. The dielectric properties of the obtained composites were analyzed by testing the frequency dependence of the permeability, dielectric losses, and conductivity. The effect of filler concentration and particle size, as well as the crystallinity of the polymer, on the dielectric properties of the composite material were studied.https://www.mdpi.com/2674-0516/2/3/36magnesium ferritesultra-high-molecular-weight polyethylenepolymer crystallinitymechanochemical synthesismechanocompositescomposite materials |
| spellingShingle | Tatiana Kiseleva Tatiana Grigoreva Svetlana Kovaliova Maxim Il’in Ekaterina Yakuta Evgeniya Devyatkina Inna Malyshkina Ilya Ivanenko Sergey Vosmerikov Nikolay Lyakhov Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles Powders magnesium ferrites ultra-high-molecular-weight polyethylene polymer crystallinity mechanochemical synthesis mechanocomposites composite materials |
| title | Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles |
| title_full | Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles |
| title_fullStr | Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles |
| title_full_unstemmed | Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles |
| title_short | Dielectric Performance of UHMWPE-MgFe<sub>2</sub>O<sub>4</sub> Composites Depending on Polymer Crystallinity, and the Concentration and Size of Mechanochemically Synthesized Ferrite Particles |
| title_sort | dielectric performance of uhmwpe mgfe sub 2 sub o sub 4 sub composites depending on polymer crystallinity and the concentration and size of mechanochemically synthesized ferrite particles |
| topic | magnesium ferrites ultra-high-molecular-weight polyethylene polymer crystallinity mechanochemical synthesis mechanocomposites composite materials |
| url | https://www.mdpi.com/2674-0516/2/3/36 |
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