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Determination of the angles between the quasicrystal zone axes of the decagonal phase in Al–Mn alloys

Published online by Cambridge University Press:  31 January 2011

J. Mayer ,
A. Csanady  and
K. Urban
J. Mayer
Affiliation:
Max-Planck-Institut für Metallforschung, Institut für Physik, Postfach 800665, D-7000 Stuttgart 80, Federal Republic of Germany
A. Csanady
Affiliation:
Hungalu, ALUTERV-FKI, P.O.B. 128, 1389 Budapest, Hungary
K. Urban
Affiliation:
Kernforschungsanlage Jülich, Institut für Festkörperforschung, Postfach 1913, D-5170 Jülich, Federal Republic of Germany
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Abstract

The angles between the zone axes of decagonal quasicrystals in two different Al–Mn alloys have been studied by means of precision tilt experiments in a transmission electron microscope. The results confirm that a tenfold symmetry axis is present in the reciprocal lattice. The angles between the principal axes in the decagonal phase do not coincide with those between the corresponding axes in the icosahedral phase. The presence of this distortion is independent of quenching rate and size of the decagonal quasicrystals.

Type
Articles
Information
Journal of Materials Research , Volume 5 , Issue 1 , January 1990 , pp. 57 - 61
Copyright
Copyright © Materials Research Society 1990

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References

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