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Modelling the plastic deformation of iron

Modelling the plastic deformation of iron

Paperback

Technology & Engineering

ISBN10: 3866449682
ISBN13: 9783866449688
Publisher: Karlsruher Institut Fur Techn
Published: Jul 31 2014
Pages: 172
Weight: 0.47
Height: 0.37 Width: 5.83 Depth: 8.27
Language: English
The 1/2 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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