Abstract
Planar defects were observed in a hot isostatically pressed Al–Cu–Fe alloy. The defects were determined to be perpendicular to the fivefold direction. They were also found to be regions where the quasiperiodicity in the five-fold direction was disrupted, resulting in a periodicity along this direction of 1.06 nm. The defects were stable up to approximately 750 °C. The defects were determined to be formed by the applied shear forces associated with the consolidation process. The displacement vector of the defects was determined to be in a twofold direction perpendicular to the periodic direction.
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Shield, J.E., Kramer, M.J. Deformation-induced planar defects in Al–Cu–Fe quasicrystals. Journal of Materials Research 12, 300–303 (1997). https://doi.org/10.1557/JMR.1997.0039
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DOI: https://doi.org/10.1557/JMR.1997.0039