Мақаланы E-mail арқылы жіберу Optical control of degradation of polytetrafluoroethylene films and its modification under electron irradiation
- Авторлар: Vazirova E.1, Abashev R.2, Milman I.2, Surdo A.2
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Мекемелер:
- Ural Federal University
- Mikheev Institute of Metal Physics Ural Branch Russian Academy of Sciences
- Шығарылым: № 12 (2023)
- Беттер: 45-50
- Бөлім: Articles
- URL: https://journals.rcsi.science/0130-3082/article/view/233694
- DOI: https://doi.org/10.31857/S0130308223120059
- EDN: https://elibrary.ru/XIFQPF
- ID: 233694
Дәйексөз келтіру
Ашық рұқсат
Рұқсат берілді
Тек жазылушылар үшін
Аннотация
A method for monitoring the degradation of the optical density in polytetrafluoroethylene films and its modification, a copolymer of tetrafluoroethylene and ethylene, irradiated by electrons with energies of 100 keV and 10 MeV is described. The method is based on measuring the optical density of irradiated films in the photon energy range of 1-6 eV and is confirmed by established «dose-optical absorption» relationships. In particular, using the described method, a completely different nature of the radiation degradation of the optical properties of the two types of films under study was discovered. With an increase in the irradiation dose, «bleaching effect» in the region of 2-5 eV and the appearance of an absorption band at 5.6 eV are observed in polytetrafluoroethylene films. With a similar dose increase, three absorption bands at 4.0, 4.6 and 5.5 eV appear and grow in films of copolymer of tetrafluoroethylene and ethylene. The evidence of the critical role of the optical density of films in the functioning of space technology devices is given.
Авторлар туралы
E. Vazirova
Ural Federal University
Email: e.n.agdantseva@urfu.ru
Yekaterinburg Russia
R. Abashev
Mikheev Institute of Metal Physics Ural Branch Russian Academy of Sciences
Email: abashevrm@imp.uran.ru
Yekaterinburg Russia
I. Milman
Mikheev Institute of Metal Physics Ural Branch Russian Academy of Sciences
Email: milman@imp.uran.ru
Yekaterinburg Russia
A. Surdo
Mikheev Institute of Metal Physics Ural Branch Russian Academy of Sciences
Email: surdo@imp.uran.ru
Yekaterinburg Russia
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