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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium The John Cahn Memorial Symposium
Presentation Title How Some Quasicrystals Might Grow
Author(s) Jean Taylor
On-Site Speaker (Planned) Jean Taylor
Abstract Scope Questions about how quasicrystals might self-assemble have been raised ever since their discovery. Overlapping clusters have been used to describe quasicrystal structures; how might they be related to growth? For Tsai-type quasicrystals, a subcluster of the RTH cluster used for their description may perhaps occur in the liquid, similar to the icosahedral clusters that Frank proposed may exist in single-component liquids. If so, then two such subclusters coming together would produce the overlap region between two RTH clusters, and the addition of a third subcluster would provide the combination of overlapping and face-to-face junctions that are seen in all of the Tsai-type quasicrystals and their periodic approximants. Stoichiometry alone would then determine whether the crystal growing around this large nucleus would be periodic or quasiperiodic.
Proceedings Inclusion? Undecided


A DSC Model for Grain Boundary Migration and Properties
Beyond the Gorsky Effect – Exploring Larché-Cahn Open System Elasticity in Experiment
Dislocations, Trijunctions and Grain Rotation
Energetic Trends for Twin Boundaries in HCP Metals
Experimental Measures of Stress-coupled Boundary Migration and the Attendant Mechanical Behavior of Nanocrystalline Films
How Some Quasicrystals Might Grow
John Cahn's Boss, Really?
John Cahn and Aesthetics of Materials
Molecular Dynamics Simulations of Faceted, Incoherent Twin Boundaries
Phase Transition and Anomalous Diffusion in Metastable β Ti-Mo
Quasi-history of Quasi-crystallinity
Thin Film Grain Growth for Twin Related Orientations of Grains

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