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Article: Effect of Fe segregation on the migration of a non-symmetric ∑5 tilt grain boundary in Al
| Title | Effect of Fe segregation on the migration of a non-symmetric ∑5 tilt grain boundary in Al |
|---|---|
| Authors | |
| Issue Date | 2005 |
| Citation | Journal of Materials Research, 2005, v. 20, n. 1, p. 208-218 How to Cite? |
| Abstract | We present an analysis, based upon atomistic simulation data, of the effect of Fe impurities on grain boundary migration in Al. The first step is the development of a new interatomic potential for Fe in Al. This potential provides an accurate description of Al-Fe liquid diffraction data and the bulk diffusivity of Fe in Al. We use this potential to determine the physical parameters in the Cahn-Lücke-Stüwe (CLS) model for the effect of impurities on grain boundary mobility. These include the heat of segregation of Fe to grain boundaries in Al and the diffusivity of Fe in Al. Using the simulation-parameterized CLS model, we predict the grain boundary mobility in Al in the presence of Fe as a function of temperature and Fe concentration. The order of magnitude and the trends in the mobility from the simulations are in agreement with existing experimental results. © 2005 Materials Research Society. |
| Persistent Identifier | http://hdl.handle.net/10722/303249 |
| ISSN | 2021 Impact Factor: 2.909 2020 SCImago Journal Rankings: 0.788 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Mendelev, M. I. | - |
| dc.contributor.author | Srolovitz, D. J. | - |
| dc.contributor.author | Ackland, G. J. | - |
| dc.contributor.author | Han, S. | - |
| dc.date.accessioned | 2021-09-15T08:24:55Z | - |
| dc.date.available | 2021-09-15T08:24:55Z | - |
| dc.date.issued | 2005 | - |
| dc.identifier.citation | Journal of Materials Research, 2005, v. 20, n. 1, p. 208-218 | - |
| dc.identifier.issn | 0884-2914 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/303249 | - |
| dc.description.abstract | We present an analysis, based upon atomistic simulation data, of the effect of Fe impurities on grain boundary migration in Al. The first step is the development of a new interatomic potential for Fe in Al. This potential provides an accurate description of Al-Fe liquid diffraction data and the bulk diffusivity of Fe in Al. We use this potential to determine the physical parameters in the Cahn-Lücke-Stüwe (CLS) model for the effect of impurities on grain boundary mobility. These include the heat of segregation of Fe to grain boundaries in Al and the diffusivity of Fe in Al. Using the simulation-parameterized CLS model, we predict the grain boundary mobility in Al in the presence of Fe as a function of temperature and Fe concentration. The order of magnitude and the trends in the mobility from the simulations are in agreement with existing experimental results. © 2005 Materials Research Society. | - |
| dc.language | eng | - |
| dc.relation.ispartof | Journal of Materials Research | - |
| dc.title | Effect of Fe segregation on the migration of a non-symmetric ∑5 tilt grain boundary in Al | - |
| dc.type | Article | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1557/JMR.2005.0024 | - |
| dc.identifier.scopus | eid_2-s2.0-22144483132 | - |
| dc.identifier.volume | 20 | - |
| dc.identifier.issue | 1 | - |
| dc.identifier.spage | 208 | - |
| dc.identifier.epage | 218 | - |
| dc.identifier.isi | WOS:000229292600028 | - |