Морфология разрушений, образующихся в полиметилметакрилате при облучении сильноточным электронным пучком в режиме филаментации и самофокусировки
| Parent link: | Перспективы развития фундаментальных наук=Prospects of Fundamental Sciences Development: сборник научных трудов XVII Международной конференции студентов, аспирантов и молодых ученых, г. Томск, 21-24 апреля 2020 г./ Национальный исследовательский Томский политехнический университет (ТПУ) ; под ред. И. А. Курзиной, Г. А. Вороновой.— , 2020 Т. 1 : Физика.— 2020.— [С. 143-145] |
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| Summary: | Заглавие с экрана The morphology of the damage formed in PMMA upon irradiation with a high-current electron beam (Eave. ~ 250 keV, τ1/2.=(2-12) ns) in the filamented and self-focused mode was studied. In the localization zones of the filament in the near-surface region of the samples at a depth of 40 - 80 [mu]m, micro-fractures of a circular and more complex shape were found, the diameters of which vary from 1 to 50 [mu]m. The destruction is interconnected by electric breakdown channels. It is assumed that this type of destruction is formed as a result of irradiation of the polymer with high density electron microbeams, which are formed in the vacuum diode of a pulsed high-current electron accelerator. |
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2020
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| Online Access: | http://earchive.tpu.ru/handle/11683/62550 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=631526 |