Effects of γ-Radiation and Addition of Silicone Dioxide on the Properties of Polytetrafluoroethylene
| Autor: | A. S. Smolyanskii, M. A. Arsent’ev, V. M. Egorov, Pavel N. Yakushev |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Phase transition Polytetrafluoroethylene Materials science Solid-state physics Silicon dioxide Dynamic mechanical analysis Condensed Matter Physics 01 natural sciences Heat capacity Electronic Optical and Magnetic Materials chemistry.chemical_compound chemistry 0103 physical sciences Irradiation Composite material 010306 general physics Glass transition |
| Zdroj: | Physics of the Solid State. 61:1332-1336 |
| ISSN: | 1090-6460 1063-7834 |
| DOI: | 10.1134/s1063783419070084 |
| Popis: | We perform a comparative study of melting of polytetrafluoroethylene (PTFE) in its unmodified form, after irradiation, and after adding plant-derived silicon dioxide as an additive (content, 1%). Calculation of peak shapes on thermal capacity profiles within the theory of smeared phase transitions enable us to identify the structural changes and their features resulting from irradiation of PTFE and incorporation of the additive in it. α-relaxation at the glass transition in our samples is studied by dynamic mechanical analysis. |
| Databáze: | OpenAIRE |
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