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001     18706
005     20240610120735.0
024 7 _ |2 DOI
|a 10.1016/j.actamat.2011.03.069
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037 _ _ |a PreJuSER-18706
041 _ _ |a eng
082 _ _ |a 670
084 _ _ |2 WoS
|a Materials Science, Multidisciplinary
084 _ _ |2 WoS
|a Metallurgy & Metallurgical Engineering
100 1 _ |0 P:(DE-Juel1)VDB5029
|a Heggen, M.
|b 0
|u FZJ
245 _ _ |a Metadislocations in the complex metallic alloys T-Al-Mn-(Pd,Fe)
260 _ _ |a Amsterdam [u.a.]
|b Elsevier Science
|c 2011
300 _ _ |a 4458 - 4466
336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |0 67
|a Acta Materialia
|v 59
|x 1359-6454
|y 11
500 _ _ |3 POF3_Assignment on 2016-02-29
500 _ _ |a We thank Dipl.-Ing. C. Thomas and M. Schmidt for producing the sample material. This work was supported by the 6th Framework EU Network of Excellence "Complex Metallic Alloys" (Contract No. NMP3-CT-2005-500140) and the Deutsche Forschungsgemeinschaft (PAK 36).
520 _ _ |a We investigate dislocations in the complex metallic alloys T-Al-Mn-Pd and T-Al-Mn-Fe using high-resolution aberration-corrected scanning transmission electron microscopy. The dislocations consist of a large core and separated escort defects [1]. Upon movement, dislocations and escort defects locally transform the material and introduce stacks of planar faults which represent a slab of a different but related structure. Deformation modes involving glide and climb are observed. We find different types of dislocations with Burgers vectors (b) over bar = -(-tau)(-n)(0 0 1), with n = 2, 3, 4. They are associated to two, four and six planar faults, respectively, and are identified as metadislocations. The structural connection between metadislocations in the present phase and those in R-, epsilon(6)-, and xi-phases is discussed. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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653 2 0 |2 Author
|a High-resolution electron microscopy (HREM)
653 2 0 |2 Author
|a Aluminium alloys
653 2 0 |2 Author
|a Dislocation structure
653 2 0 |2 Author
|a Phase transformations
700 1 _ |0 P:(DE-Juel1)VDB4944
|a Houben, L.
|b 1
|u FZJ
700 1 _ |0 P:(DE-Juel1)130637
|a Feuerbacher, M.
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|u FZJ
773 _ _ |0 PERI:(DE-600)2014621-8
|a 10.1016/j.actamat.2011.03.069
|g Vol. 59, p. 4458 - 4466
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|t Acta materialia
|v 59
|x 1359-6454
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856 7 _ |u http://dx.doi.org/10.1016/j.actamat.2011.03.069
909 C O |o oai:juser.fz-juelich.de:18706
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