Diffusion Growth and Morphological Stability of Two-Dimensional Grain Boundary Precipitates
| Authors | A.V. Koropov |
| Affiliations | Institute of Applied Physics of the National Academy of Sciences of Ukraine, 58, Petropavlivska Str., 40000 Sumy, Ukraine |
| Е-mail | ipfmail@ipfcentr.sumy.ua |
| Issue | Volume 2, Year 2010, Number 4 |
| Dates | Received 24 December 2010, in final form 13 January 2011 |
| Citation | A.V. Koropov, J. Nano- Electron. Phys. 2 No4, 117 (2010) |
| DOI | |
| PACS Number(s) | 61.72. – y, 64.70.Kb, 66.30.Jt, 68.35. – p, 81.10.Jt, 81.30.Mh |
| Keywords | Supersaturated solid solutions, Aging metal alloys, Reactor materials, Radiation resistance, Macroscopic inclusions, Precipitates, Grain boundaries (2) , Diffusion growth, Morphological stability. |
| Annotation |
Diffusion growth of two-dimensional precipitates at the grain boundary of a finite thickness was considered with due regard to the diffusion fluxes of impurity atoms from the grain volume to the grain boundary. Stability of the growing precipitates of a relatively small radius was analyzed with respect to the small random perturbations of its size and subject to the surface kinetics of impurity atoms at the grain boundary/precipitate profile. Threshold radii of the precipitates, above which the amplitude of the shape defect and the amplitude of the relative shape deformation of the precipitates rise, were found. |
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List of References |
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