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Zhiming Chen

Modelling the plastic deformation of iron

(Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie ; 15)

AutorChen, Zhiming

VerlagKIT Scientific Publishing, Karlsruhe

ISBN9783866449688

UmfangXII, 146 S.

Veröffentlicht
am:
13.03.2013

Erscheinungs-
jahr
2013

VerfügbarkeitAktiv

Downloads:

Für Zitate bitte die folgende URL verwenden:
http://dx.doi.org/10.5445/KSP/1000032216

Abstract

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.