Ab initio calculations of the generalized stacking fault energy in aluminium alloys

M. Muzyk , Zbigniew Pakieła , K.J. Kurzydlowski

Abstract

The generalized stacking fault energy for aluminium and some of its alloys have been calculated using density functional theory. It is shown that the deformation tendency caused by emission of partial dislocations varies with alloying element. The twinnability of aluminium is also modified by the presence of alloying element in the deformation plane. The results suggest that Al–Mg and Al–Ga alloys are the most susceptible for the deformation by partial dislocations and twining.
Author M. Muzyk - [Warsaw University of Technology (PW), MNiSW [80]]
M. Muzyk,,
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- Politechnika Warszawska
, Zbigniew Pakieła (FMSE / DMD)
Zbigniew Pakieła,,
- Division of Materials Design
, K.J. Kurzydlowski - [Politechnika Warszawska]
K.J. Kurzydlowski,,
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Journal seriesScripta Materialia, ISSN 1359-6462, (A 35 pkt)
Issue year2011
Vol64
No9
Pages916-918
Keywords in EnglishAb initio calculations, aluminium alloys, Nanocrystalline metals, Twinning
ASJC Classification3104 Condensed Matter Physics; 2500 General Materials Science; 2200 General Engineering
DOIDOI:10.1016/j.scriptamat.2011.01.034
URL http://www.sciencedirect.com/science/article/pii/S1359646211000455
Score (nominal)35
Score sourcejournalList
Publication indicators Scopus Citations = 57; WoS Citations = 49; Scopus SNIP (Source Normalised Impact per Paper): 2014 = 2.124; WoS Impact Factor: 2011 = 2.699 (2) - 2011=3.024 (5)
Citation count*24 (2015-04-02)
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