Journal
ENGINEERING FRACTURE MECHANICS
Volume 150, Issue -, Pages 153-160Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2015.08.043
Keywords
Molecular dynamics; Nanobeams; CTOD; Fracture
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Funding
- EU project MultiHy (EU-FP7-NMP Project) [263335]
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In this presentation we first review a method to use crack tip displacements and an estimate of the plastic zone to estimate fracture toughness. The same procedure was then applied on nanosized bcc-Fe cantilever beams with an initial crack. The results were then compared to literature. It was found that the fracture mechanical calculations should reflect the deformation processes at the crack tip in order to give accurate results. Further investigation is needed to determine whether the flange extension method can be used as a robust measure of fracture toughness. (C) 2015 Elsevier Ltd. All rights reserved.
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