Numerical calculation of the dislocation basis loop bias in hexagonal crystal
The diffusion fluxes of radiation point defects onto a circular base edge loop of zirconium in a toroidal reservoir are calculated numerically (by the finite difference method). Elastic interaction of point defects and elastic anisotropy of the hexagonal crystal were taken into account. The toroidal...
Збережено в:
| Видавець: | Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
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| Дата: | 2019 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2019
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| Назва видання: | Вопросы атомной науки и техники |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/195205 |
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| Цитувати: | Numerical calculation of the dislocation basis loop bias in hexagonal crystal / A.V. Babich, P.N. Ostapchuk // Problems of atomic science and technology. — 2019. — № 5. — С. 11-17. — Бібліогр.: 12 назв. — англ. |
Репозиторії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | The diffusion fluxes of radiation point defects onto a circular base edge loop of zirconium in a toroidal reservoir are calculated numerically (by the finite difference method). Elastic interaction of point defects and elastic anisotropy of the hexagonal crystal were taken into account. The toroidal geometry of the reservoir seems more acceptable for the loop than spherical or cylindrical since it allows calculations for the loop of any size and without any correction of the elastic field in its influence region. The dependences of the absorption efficiencies and the loop bias on the radius and its nature are obtained. The essential role of the boundary condition on the external surface of the reservoir in the symmetry breaking in the absorption of point defects by loops of different nature is shown. |
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