Effect of volumetric modification with nanosized zirconium dioxide particles on structure and mechanical properties of composite material based on polytetrafluoroethylene
The article demonstrates the influence of the concentration of nanosized particles of zirconium dioxide ZrO2 applied as a bulk modifier-filler on the structure and strength characteristics of polytetrafluoroethylene-based composite. samples with concentrations of 0 %, 4 %, 8 % and 26 % of ZrO2 na...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Omsk State Technical University, Federal State Autonomous Educational Institution of Higher Education
2024-12-01
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| Series: | Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение" |
| Subjects: | |
| Online Access: | https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2024/%D0%A2.8,%20%E2%84%964%20(%D0%90%D0%A0%D0%B8%D0%AD%D0%9C)/100-106%20%D0%93%D1%83%D0%BB%D1%8C%D0%BA%D0%B8%D0%BD%20%D0%90.%20%D0%92.,%20%D0%A2%D0%B5%D0%BF%D0%BB%D0%BE%D1%83%D1%85%D0%BE%D0%B2%20%D0%90.%20%D0%90.,%20%D0%A1%D0%B5%D0%BC%D0%B5%D0%BD%D1%8E%D0%BA%20%D0%9D.%20%D0%90.%20%D0%B8%20%D0%B4%D1%80..pdf |
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| Summary: | The article demonstrates the influence of the concentration of nanosized particles of zirconium
dioxide ZrO2 applied as a bulk modifier-filler on the structure and strength characteristics
of polytetrafluoroethylene-based composite. samples with concentrations of 0 %, 4 %, 8 % and 26 %
of ZrO2 nanosized zirconium dioxide particles were obtained by the sintering method in a mould
in conditions of volumetric limitation of thermal expansion. The authors analyzed the structural-chemical
state and elemental composition of the samples by X-ray photoelectron spectroscopy using Surface
Science Center (Riber) and scanning electron microscopy with application of energy-dispersive analysis.
Moreover, the hardness was determined on a Shore type A TWR-AM (durometer) with an analogue
indicator. Wear tests were carried out on the UMT-2168 universal friction machine by the mode without
lubricating fluid at the 5 N constant load, peripheral speed with the 0,32 m/s abrasive sheet. The results
of the conducted research were confirmed under full-scale test conditions. As a result, the authors
present recommendations on the percentage composition of nanosize filler in polytetrafluoroethylene
for seals in friction units. |
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| ISSN: | 2588-0373 2587-764X |