Sample geometry and the brittle-ductile behavior of edge cracks in 3D atomistic simulations by molecular dynamics

0462385 - ÚT 2017 RIV CZ eng A - Abstrakt
Pelikán, Vladimír - Hora, Petr - Machová, Anna - Kolman, Radek - Uhnáková, Alena
Sample geometry and the brittle-ductile behavior of edge cracks in 3D atomistic simulations by molecular dynamics.
Materials Structure & Micromechanics of Fracture. Brno: University of Technology Brno, 2016 - (Šandera, P.). s. 41-41. ISBN 978-80-214-5357-9.
[International Conference on Material Structure & Micromechanics of Fractture /8./. 27.06.2016-29.06.2016, Brno]
Grant CEP: GA ČR(CZ) GA15-20666S
Institucionální podpora: RVO:61388998
Klíčová slova: bcc iron * crack growth * dislocation emission * twins
Kód oboru RIV: JL - Únava materiálu a lomová mechanika

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.
Trvalý link: http://hdl.handle.net/11104/0266952