Sample Geometry and the Brittle-Ductile Behavior of Edge Cracks in 3D Atomistic Simulations by Molecular Dynamics

Vladimír Pelikán; Petr Hora; Anna Machová; Radek Kolman; Alena Uhnáková

doi:10.4028/www.scientific.net/SSP.258.45

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Sample Geometry and the Brittle-Ductile Behavior of Edge Cracks in 3D Atomistic Simulations by Molecular Dynamics

Abstract:

We present new results of molecular dynamic (MD) simulations in 3D bcc iron crystals with edge cracks (001)[010] and (-110)[110] loaded in mode I. Different sample geometries of SEN type were tested with negative and positive values of T-stress according to continuum prediction by Fett.

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Periodical:

Solid State Phenomena (Volume 258)

Pages:

45-48

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.258.45

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Online since:

December 2016

Authors:

Vladimír Pelikán, Petr Hora, Anna Machová, Radek Kolman*, Alena Uhnáková

Keywords:

BCC Iron, Crack Growth, Dislocation Emission, Twins

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