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Modelling the Plastic Deformation of Iron
Zhiming Chen
2013
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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.
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Keywords
- Dislocation
- Iron
- Plastic
- simulation
- Technology, engineering, agriculture
- Technology: general issues
- yield
Links
DOI: 10.5445/KSP/1000032216Editions