Author： Klein H. Feuerbacher M. Schall P. Urban K.
Publisher： Taylor & Francis Ltd
ISSN： 1362-3036
Source： Philosophical Magazine Letters, Vol.80, Iss.1, 2000-01, pp. : 11-18
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Abstract
Single crystals of the quasicrystal approximant phase xi'1-(Al-Pd-Mn) were deformed at a high temperature in three-point bending geometry. Two different mechanisms of plastic deformation were observed in this phase: one based on the motion of phason lines and the other based on dislocations. Line directions and Burgers vector directions of the dislocations were determined. The relative importances of the two mechanisms are discussed as a function of the sample orientation with respect to the bending geometry.
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