Stochastic simulation of destruction processes in self-irradiated materials
Self-irradiation damages resulting from fission processes are common phenomena observed in nuclear fuel containing (NFC) materials. Numerous α-decays lead to local structure transformations in NFC materials. The damages appearing due to the impacts of heavy nuclear recoils in the subsurface layer...
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| Видавець: | Інститут фізики конденсованих систем НАН України |
|---|---|
| Дата: | 2017 |
| Автори: | , , , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики конденсованих систем НАН України
2017
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/157112 |
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| Цитувати: | Stochastic simulation of destruction processes in self-irradiated materials / T. Patsahan, A. Taleb, J. Stafiej, M. Holovko, J.P. Badiali // Condensed Matter Physics. — 2017. — Т. 20, № 3. — С. 33003: 1–11. — Бібліогр.: 46 назв. — англ. |
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irk-123456789-1571122019-06-20T01:28:49Z Stochastic simulation of destruction processes in self-irradiated materials Patsahan, T. Taleb, A. Stafiej, J. Holovko, M. Badiali, J.P. Self-irradiation damages resulting from fission processes are common phenomena observed in nuclear fuel containing (NFC) materials. Numerous α-decays lead to local structure transformations in NFC materials. The damages appearing due to the impacts of heavy nuclear recoils in the subsurface layer can cause detachments of material particles. Such a behaviour is similar to sputtering processes observed during a bombardment of the material surface by a flux of energetic particles. However, in the NFC material, the impacts are initiated from the bulk. In this work we propose a two-dimensional mesoscopic model to perform a stochastic simulation of the destruction processes occurring in a subsurface region of NFC material. We describe the erosion of the material surface, the evolution of its roughness and predict the detachment of the material particles. Size distributions of the emitted particles are obtained in this study. The simulation results of the model are in a qualitative agreement with the size histogram of particles produced from the material containing lava-like fuel formed during the Chernobyl nuclear power plant disaster. Самоопромiнення, що виникає внаслiдок процесiв подiлу радiоактивних елементiв, є звичним явищем, яке спостерiгається в радiоактивних паливовмiсних матерiалах (ПВМ). Численнi α-розпади призводять до перетворення локальної структури ПВМ. Ушкодження, якi виникають за рахунок ударiв вiддачi осколкiв подiлу важких ядер в приповерхневому шарi, можуть спричинювати вiдокремлення частинок матерiалу. Така поведiнка є подiбною до процесу розпилення, яке спостерiгається пiд час бомбардування поверхнi матерiалу потоком енергетичних частинок. Проте, в ПВМ удари iнiцiюються в об’ємi матерiалу. В цiй роботi ми пропонуємо двовимiрну мезоскопiчну модель, з метою здiйснення стохастичного комп’ютерного моделювання процесiв руйнування, що виникають в приповерхневiй областi ПВМ. Ми описуємо ерозiю поверхнi матерiалу, змiну її шорсткостi з часом i передбачаємо вiдокремлення частинок матерiалу. У цьому дослiдженнi отримано розподiли розмiрiв вiдокремлених частинок. Результати комп’ютерного моделювання якiсно узгоджуються iз гiстограмами розмiрiв розпилених частинок спостережених в лавоподiбних паливовмiсних масах, якi сформувалися пiд час Чорнобильської катастрофи. 2017 Article Stochastic simulation of destruction processes in self-irradiated materials / T. Patsahan, A. Taleb, J. Stafiej, M. Holovko, J.P. Badiali // Condensed Matter Physics. — 2017. — Т. 20, № 3. — С. 33003: 1–11. — Бібліогр.: 46 назв. — англ. 1607-324X PACS: 02.50.-r, 23.70.+j, 05.50.+q, 46.50.+a, 46.65.+g DOI:10.5488/CMP.20.33003 arXiv:1712.01094 http://dspace.nbuv.gov.ua/handle/123456789/157112 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
Self-irradiation damages resulting from fission processes are common phenomena observed in nuclear fuel
containing (NFC) materials. Numerous α-decays lead to local structure transformations in NFC materials. The
damages appearing due to the impacts of heavy nuclear recoils in the subsurface layer can cause detachments
of material particles. Such a behaviour is similar to sputtering processes observed during a bombardment of the
material surface by a flux of energetic particles. However, in the NFC material, the impacts are initiated from the
bulk. In this work we propose a two-dimensional mesoscopic model to perform a stochastic simulation of the
destruction processes occurring in a subsurface region of NFC material. We describe the erosion of the material
surface, the evolution of its roughness and predict the detachment of the material particles. Size distributions
of the emitted particles are obtained in this study. The simulation results of the model are in a qualitative
agreement with the size histogram of particles produced from the material containing lava-like fuel formed
during the Chernobyl nuclear power plant disaster. |
| format |
Article |
| author |
Patsahan, T. Taleb, A. Stafiej, J. Holovko, M. Badiali, J.P. |
| spellingShingle |
Patsahan, T. Taleb, A. Stafiej, J. Holovko, M. Badiali, J.P. Stochastic simulation of destruction processes in self-irradiated materials Condensed Matter Physics |
| author_facet |
Patsahan, T. Taleb, A. Stafiej, J. Holovko, M. Badiali, J.P. |
| author_sort |
Patsahan, T. |
| title |
Stochastic simulation of destruction processes in self-irradiated materials |
| title_short |
Stochastic simulation of destruction processes in self-irradiated materials |
| title_full |
Stochastic simulation of destruction processes in self-irradiated materials |
| title_fullStr |
Stochastic simulation of destruction processes in self-irradiated materials |
| title_full_unstemmed |
Stochastic simulation of destruction processes in self-irradiated materials |
| title_sort |
stochastic simulation of destruction processes in self-irradiated materials |
| publisher |
Інститут фізики конденсованих систем НАН України |
| publishDate |
2017 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/157112 |
| citation_txt |
Stochastic simulation of destruction processes in self-irradiated materials / T. Patsahan, A. Taleb, J. Stafiej, M. Holovko, J.P. Badiali // Condensed Matter Physics. — 2017. — Т. 20, № 3. — С. 33003: 1–11. — Бібліогр.: 46 назв. — англ. |
| series |
Condensed Matter Physics |
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| first_indexed |
2023-05-20T17:51:18Z |
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2023-05-20T17:51:18Z |
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1796154235489878016 |