A comparative electron microscopic study of Al-based and Mg-based quasicrystals

Mukhopadhyay, N. K. ; Thangaraj, N. ; Chattopadhyay, K. ; Ranganathan, S. (1987) A comparative electron microscopic study of Al-based and Mg-based quasicrystals Journal of Materials Research, 2 (3). pp. 299-304. ISSN 0884-2914

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Official URL: http://journals.cambridge.org/action/displayAbstra...

Related URL: http://dx.doi.org/10.1557/JMR.1987.0299

Abstract

It is shown that both icosahedral Al-Mn-Si and Mg-Al-Zn alloys give rise to the same variety of electron diffraction patterns as documented for icosahedral Al-Mn alloys. Subtle variations in intensity are ascribed to a different decorational motif in terms of the Mackay icosahedron and the Pauling triacontahedron. Icosahedral Al-Mn-Si alloys do not appear to be ordered on a superlattice basis.

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