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The 1/2<111> screw dislocations in bcc iron are studied by atomistic simulations. An analytical yield criterion captures correctly the non-Schmid plastic behavior. A model Peierls potential develops a link between the atomistic modeling at 0 K and the thermally activated dislocation motion. All predicted features agree well with experimental observations. This work establishes a consistent bottom-up model that provides an insight into the microscopic origins of the plastic behavior of bcc iron.
Umfang: XII, 146 S.
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Chen, Z. 2013. Modelling the plastic deformation of iron. Karlsruhe: KIT Scientific Publishing. DOI: https://doi.org/10.5445/KSP/1000032216
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Veröffentlicht am 13. März 2013
Englisch
170
| Paperback | 978-3-86644-968-8 |