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  Nanoprecipitates in single-crystal molybdenum-alloy nanopillars detected by TEM and atom probe tomography

Oveisi, E., Bártová, B., Gerstl, S. S. A., Zimmermann, J., Marichal, C., Van Swygenhoven, H., et al. (2013). Nanoprecipitates in single-crystal molybdenum-alloy nanopillars detected by TEM and atom probe tomography. Scripta Materialia, 69(1), 41-44. doi:10.1016/j.scriptamat.2013.03.013.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-E2A0-A Version Permalink: http://hdl.handle.net/21.11116/0000-0001-E2A1-9
Genre: Journal Article

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 Creators:
Oveisi, Emad1, 2, Author              
Bártová, Barbora1, 2, Author              
Gerstl, Stephan S. A.3, 4, Author              
Zimmermann, Julien5, Author              
Marichal, Cécile5, Author              
Van Swygenhoven, Helena6, Author              
Hébert, Cécile1, 2, Author              
Affiliations:
1Electron Spectrometry and Microscopy Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland, persistent22              
2Interdisciplinary Centre for Electron Microscopy, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland, persistent22              
3Electron Microscopy of Eidgenössische Technische Hochschule Zurich (EMEZ), 8093 Zurich, Switzerland, ou_persistent22              
4Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863381              
5Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland, persistent22              
6Paul Scherrer Institute, Villigen CH-5232, Switzerlan, ou_persistent22              

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Free keywords: Atom probe tomography; Compression tests; Crystallographic orientation relationships; Face-centred cubic; Mo-alloy pillars; Nano-sized precipitates; Nanoprecipitates; Transmission electron microscopy (TEM), Alloys; Chemical analysis; Compression testing; Electron diffraction; Molybdenum; Nanostructures; Precipitates; Precipitation (chemical); Transmission electron microscopy, Molybdenum alloys
 Abstract: Transmission electron microscopy (TEM) supported by various chemical analyses techniques as well as atom probe tomography is applied to characterize newly identified nanosized precipitates in Mo-alloy nanopillars that were prepared by directional solidification. It is shown that the α-Mo matrix contains Al-enriched face-centred cubic precipitates which have a 4.12 Å lattice parameter, and exhibit a Kurdjumov-Sachs crystallographic orientation relationship with the matrix. Such precipitates could be responsible for the unusual behaviour of the pillars during compression tests.© 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2013-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.scriptamat.2013.03.013
BibTex Citekey: Oveisi201341
 Degree: -

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Title: Scripta Materialia
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B. V.
Pages: - Volume / Issue: 69 (1) Sequence Number: - Start / End Page: 41 - 44 Identifier: ISSN: 1359-6462
CoNE: /journals/resource/954926243506