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http://hdl.handle.net/10397/4792
Title: | Heterogeneous void swelling near grain boundaries in irradiated materials | Authors: | Dudarev, SL Semenov, AA Woo, CH |
Keywords: | Irradiation Molecular dynamics Radiation dose |
Issue Date: | 1-Mar-2003 | Publisher: | American Physical Society | Source: | Physical review. B, Condensed matter and materials physics, 1 Mar. 2003, v. 67, no. 9, 094103, p. 1-9 How to cite? | Journal: | Physical review. B, Condensed matter and materials physics | Abstract: | We found that by assuming that the density of dislocations in an irradiated material varies as a function of the distance to grain boundaries and that mobile interstitial defect clusters perform three-dimensional diffusional motion it is possible to achieve significantly better agreement with experimental observations of profiles of heterogeneous void swelling than in the model where defects diffuse purely one-dimensionally. This approach explains the origin of several distinct features characterising the effect of heterogeneous void swelling, including the variation of the shape of swelling profiles as a function of irradiation dose, the formation of peaks of swelling and void denuded zones, and the occurrence of anomalously large voids in the regions adjacent to grain boundaries. | URI: | http://hdl.handle.net/10397/4792 | ISSN: | 1098-0121 | EISSN: | 1550-235X | DOI: | 10.1103/PhysRevB.67.094103 | Rights: | Physical Review B © 2003 The American Physical Society. The Journal's web site is located at http://pre.aps.org/ |
Appears in Collections: | Journal/Magazine Article |
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Dudarev_Heterogeneous_Void_Swelling.pdf | 432.47 kB | Adobe PDF | View/Open |
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