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  Basal slip in laves phases: The synchroshear dislocation

Guénolé, J., Mouhib, F.-Z., Huber, L., Grabowski, B., & Korte-Kerzel, S. (2019). Basal slip in laves phases: The synchroshear dislocation. Scripta Materialia, 166, 134-138. doi:10.1016/j.scriptamat.2019.03.016.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-6E17-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-6E18-5
Genre: Journal Article

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 Creators:
Guénolé, Julien1, Author              
Mouhib, Fatim-Zahra2, Author              
Huber, Liam3, Author              
Grabowski, Blazej3, Author              
Korte-Kerzel, Sandra4, Author              
Affiliations:
1Institute of Physical Metallurgy and Metal Physics, RWTH Aachen University, Kopernikusstraße 14, 52074, Aachen, Germany, ou_persistent22              
2Institute of Physical Metallurgy and Metal Physics, RWTH Aachen University, D-52056 Aachen, Germany, ou_persistent22              
3Adaptive Structural Materials (Simulation), Computational Materials Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863339              
4Institut für Metallkunde und Metallphysik, RWTH Aachen University, Aachen 52074, Germany, ou_persistent22              

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Free keywords: Intermetallics; Plasticity, Ab initio calculations; Ab initio study; Atomistic simulations; Basal planes; Complex alloys; Different mechanisms; Elastic bands; Laves phasis, Calculations
 Abstract: Two different mechanisms have been reported in previous ab initio studies to describe basal slip in complex intermetallic Laves phases: synchroshear and undulating slip. To date, no clear answer has been given on which is the energetically favourable mechanism and whether either of them could effectively propagate as a dislocation. Using classical atomistic simulations supported by ab initio calculations, the present work removes the ambiguity and shows that the two mechanisms are, in fact, identical. Furthermore, we establish synchroshear as the mechanism for propagating dislocations within the basal plane in Laves phases. © 2019 Elsevier Ltd

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Language(s): eng - English
 Dates: 2019-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.scriptamat.2019.03.016
 Degree: -

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Title: Scripta Materialia
  Abbreviation : Scripta Mater.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B. V.
Pages: - Volume / Issue: 166 Sequence Number: - Start / End Page: 134 - 138 Identifier: ISSN: 1359-6462
CoNE: https://pure.mpg.de/cone/journals/resource/954926243506