Article Dans Une Revue Philosophical Magazine Année : 2006

Geometry of dislocations in icosahedral quasicrystals

Résumé

Quasicrystals are complex metallic alloys that are ductile at high temperatures close to their melting point. It has been early recognized that their plasticity is due to a flux of moving linear defects in all respects similar to dislocations in ordinary crystals. The present paper is an attempt to propose a simple synthetic analysis of the basic underlying geometry of quasicrystalline dislocations exemplified with experimental and calculated images of dislocations in icosahedral phases.

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hal-00513660 , version 1 (01-09-2010)

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Denis Gratias, Jean-Tristan Beauchesne, Frédéric Mompiou, Daniel Caillard. Geometry of dislocations in icosahedral quasicrystals. Philosophical Magazine, 2006, 86 (25-26), pp.4139-4151. ⟨10.1080/14786430600575435⟩. ⟨hal-00513660⟩
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