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TEM Study of Quasicrystals in Al-Mn-Fe Melt-Spun Ribbon

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Abstract:

Microstructure of rapidly solidified Al91Mn7Fe2 (at.%) alloy was investigated using SEM and TEM techniques. Quasicrystalline particles of different shapes and sizes embedded in the aluminium matrix were observed. Quasilattice constant was calculated as 0.461 Å. Additionally orientation relationships between matrix and quasicrystals particles were found based on electron diffraction patterns and high resolution images, such that: five-fold axis lie along [011] or [001] axes of the α-Al crystallographic direction.

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Periodical:

Solid State Phenomena (Volume 186)

Pages:

255-258

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.186.255

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Online since:

March 2012

Authors:

Katarzyna Stan, Lidia Lityńska-Dobrzyńska, Jan Dutkiewicz, Lukasz Rogal, Anna Maria Janus

Keywords:

Al-Mn-Fe Alloy, HRTEM, Melt-Spinning, Quasicrystal, TEM

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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